Volume 705 (January 2026)

Free Access to the whole issue

Astronomy & Astrophysics articles are available online as soon as the production process is complete.
The currently opened issue will be updated regularly until it is complete. To keep abreast of new articles, you may either visit this page regularly or subscribe to our E-mail alert

Astronomy & Astrophysics

Volume 705 (January 2026) (in progress)

Export the citation of the selected articles Export
Select all

Letters to the Editor

Open Access

Evading the dust fragmentation barrier with the streaming instability in protoplanetary disks L1

V. Vallucci-Goy, U. Lebreuilly, M.-M. Mac Low and P. Hennebelle

Published online: 19 December 2025

DOI: https://doi.org/10.1051/0004-6361/202558000

Open Access

Long-term X-ray variability of the multiple-planet host L 98-59: Hints of an activity cycle L2

I. Pillitteri, S. Bellotti, S. Benatti, S. Boro Saikia, A. García Muñoz, K. G. Kislyakova, A. Maggio, G. Micela, K. Vida and A. A. Vidotto

Published online: 19 December 2025

DOI: https://doi.org/10.1051/0004-6361/202555853

Open Access

Pre-perihelion detection of a wobbling high-latitude jet in the interstellar comet 3I/ATLAS L3

M. Serra-Ricart, J. Licandro and M. R. Alarcon

Published online: 19 December 2025

DOI: https://doi.org/10.1051/0004-6361/202558072

Open Access

Microquasar remnants as hidden PeVatrons L4

Leandro Abaroa, Gustavo E. Romero and Valentí Bosch-Ramon

Published online: 08 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557202

Open Access

A one-parameter two-zone leptonic model for the blazar sequence L5

S. Boula, A. Mastichiadis and D. Kazanas

Published online: 08 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557600

Open Access

Evolution of ultracompact neutron star–helium star binaries L6

O. G. Benvenuto and J. E. Horvath

Published online: 08 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557449

Open Access

Discovery of two new isomers of cyanoacenaphthylene (C₁₂H₇CN) in the Taurus molecular cloud 1 with the QUIJOTE line survey L7

J. Cernicharo, B. Tercero, N. Marcelino, J. A. López-Pérez, J. D. Gallego, F. Tercero, G. Esplugues, C. Cabezas, M. Agúndez, C. Limeres et al. (5 more)

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557893

Open Access

Connections between the cycle-to-cycle light curve and O−C variations of the Blazhko RR Lyrae stars L8

József M. Benkő

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557621

Open Access

Discovery of a galaxy associated with the HI cloud FAST J0139+4328 L9

Ana Mitrašinović, Marko Grozdanović, Ana Lalović, Milena Jovanović, Michal Bílek, Nataša Pavlov, Alexei V. Moiseev and Dmitry V. Oparin

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202558391

Open Access

Missing dust of super-early galaxies - Supernova blowout and gas–dust venting in blue monsters L10

Sergio Martínez-González, Santiago Jiménez and Casiana Muñoz-Tuñón

Published online: 12 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557333

Open Access

First reverberation mapping of a Bowen fluorescence line L11

Martin W. Ochmann, Edward M. Cackett, Lukas Diehl, Keith Horne, Malte A. Probst and Wolfram Kollatschny

Published online: 12 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557588

Open Access

A pristine, star-forming complex at z = 4.19 L12

E. Vanzella, M. Messa, A. Zanella, A. Bolamperti, M. Castellano, F. Loiacono, P. Bergamini, G. Roberts Borsani, A. Adamo, A. Fontana et al. (7 more)

Published online: 12 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557153

Open Access

Polarization echoes from past nuclear activity in the quasi-periodic eruption source GSN 069 L13

B. Agís-González, D. Hutsemékers, I. Liodakis, S. Cazzoli, D. Sluse, G. Miniutti, I. Márquez, J. Masegosa, F. Marin, J. A. Acosta-Pulido and C. Ramos Almeida

Published online: 12 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557342

Open Access

The near-infrared silhouette of the Flying Saucer edge-on disc revealed by the JWST JEDIce program L14

Emmanuel Dartois, Jennifer A. Noble, Jennifer B. Bergner, Klaus M. Pontoppidan, Korash Assani, Daniel Harsono, Melissa K. McClure, Julia C. Santos, Will E. Thompson, Lukas Welzel et al. (10 more)

Published online: 12 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557177

Astrophysical processes

Open Access

Line-force-driven wind from a thin disk in a tidal disruption event A4

De-Fu Bu, Xiao-Hong Yang, Liang Chen, Chenwei Yang and Guobin Mou

Published online: 19 December 2025

DOI: https://doi.org/10.1051/0004-6361/202556161

Open Access

Recasting the nature of INTEGRAL hard X-ray transients previously classified as active galactic nuclei A7

V. Sguera and L. Sidoli

Published online: 23 December 2025

DOI: https://doi.org/10.1051/0004-6361/202556658

Open Access

Fermi-LAT detections of the classical novae V1723 Sco and V6598 Sgr in a multi-wavelength context A19

P. Fauverge, P. Jean, K. Sokolovsky, C. C. Cheung, M. Lemoine-Goumard, M.-H. Grondin, L. Chomiuk, A. Dickenson, J. D. Linford, K. Mukai and J. L. Sokoloski

Published online: 24 December 2025

DOI: https://doi.org/10.1051/0004-6361/202556222

Open Access

Molybdenum and ruthenium in the Galactic disk: A closer look at their nucleosynthesis components A38

T. Mishenina, T. Kurtukian-Nieto, T. Gorbaneva, A. M. Amarsi, A. Psaltis and M. Pignatari

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557454

Open Access

Tidal disruption and evaporation of rubble-pile and monolithic bodies as a source of flaring activity in Sgr A^★ A58

Wen-Han Zhou, Yun Zhang, Jiamu Huang and Douglas N. C. Lin

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555714

Open Access

A wide-field X-ray search for the Geminga pulsar halo with SRG/ART-XC A107

Roman Krivonos, Silvia Manconi, Vadim Arefiev, Andrei Bykov, Fiorenza Donato, Ekaterina Filippova, Alexander Lutovinov, Mattia Di Mauro, Kaya Mori, Alexey Tkachenko and Jooyun Woo

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555650

Open Access

Rebrightenings of gamma-ray burst afterglows from an increasing magnetic inclination angle of a nascent magnetar A130

M. Xu, J. Li, C. F. Xiao and H. H. Qiu

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555966

Cosmology (including clusters of galaxies)

Open Access

Quantifying the impact of detection bias from blended galaxies on cosmic shear surveys A3

Eray Genc, Peter Schneider, Sandra Unruh and Tim Schrabback

Published online: 19 December 2025

DOI: https://doi.org/10.1051/0004-6361/202556116

Open Access

The topology of Rayleigh-Levy flights in two dimensions A18

Reginald Christian Bernardo, Stephen Appleby, Francis Bernardeau and Christophe Pichon

Published online: 24 December 2025

DOI: https://doi.org/10.1051/0004-6361/202555818

Open Access

Cosmological inference with cosmic voids and neural network emulators A62

Kai Lehman, Nico Schuster, Luisa Lucie-Smith, Nico Hamaus, Christopher T. Davies and Klaus Dolag

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202554592

Open Access

Cosmic voids and the kinetic analysis - V. Hubble tension, the cosmological constant, and aperiodic filaments A70

V. G. Gurzadyan, N. N. Fimin and V. M. Chechetkin

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557303

Open Access

The signature of major mergers on the hydrostatic mass bias of galaxy clusters A101

Isac Barranco-Llorca, David Vallés-Pérez, Susana Planelles and Vicent Quilis

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556598

Open Access

Hubble-constant and -mass determination of Centaurus A and M83 from tip-of-red-giant-branch distances A112

Adrian Faucher, David Benisty and David F. Mota

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556283

Open Access

The interpretation of XRISM X-ray measurements of turbulence in the intracluster medium: A comparison with cosmological simulations A129

F. Vazza and G. Brunetti

Published online: 12 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556070

Extragalactic astronomy

Open Access

The GECKOS survey: The formation history of a barred galaxy via structural decomposition and spatially resolved spectroscopy A1

A. Fraser-McKelvie, D. A. Gadotti, F. Fragkoudi, C. de Sá-Freitas, M. Martig, M. Bureau, T. Davis, E. Emsellem, R. Elliott, D. Fisher et al. (3 more)

Published online: 19 December 2025

DOI: https://doi.org/10.1051/0004-6361/202557327

Open Access

Continuum variability in multi-epoch quasar spectra from the Sloan Digital Sky Survey A9

Minjin Kim, Suyeon Son and Luis C. Ho

Published online: 23 December 2025

DOI: https://doi.org/10.1051/0004-6361/202557713

Open Access

TDCOSMO - XXI. Accurate stellar velocity dispersions of the SL2S lens sample and the fundamental plane of the lensing mass A13

Pritom Mozumdar, Shawn Knabel, Tommaso Treu, Alessandro Sonnenfeld, Anowar J. Shajib, Michele Cappellari and Carlo Nipoti

Published online: 24 December 2025

DOI: https://doi.org/10.1051/0004-6361/202555583

Open Access

Detecting metal enrichment of the intergalactic medium with the two-point correlation function of the flux - Application to the UVES deep spectrum A16

S. Di Stefano, V. D’Odorico, G. Cupani, D. Milaković, A. Trost, S. Cristiani, M. Viel and R. F. Carswell

Published online: 24 December 2025

DOI: https://doi.org/10.1051/0004-6361/202556252

Press Release

Open Access

Spatially resolved polarization swings in the supermassive binary black hole candidate OJ 287 with first Event Horizon Telescope observations A23

José L. Gómez, Ilje Cho, Efthalia Traianou, Thomas P. Krichbaum, Guang-Yao Zhao, Rocco Lico, Antonio Fuentes, Marianna Foschi, Rohan Dahale, Boris Georgiev et al. (273 more)

Published online: 08 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555831

Open Access

The halo magnetic field of a spiral galaxy at z = 0.414 A28

Timea Orsolya Kovacs, Sui Ann Mao, Aritra Basu, Yik Ki Ma and Bryan M. Gaensler

Published online: 24 December 2025

DOI: https://doi.org/10.1051/0004-6361/202453502

Open Access

Structural evolution of quiescent galaxies at intermediate redshifts at UV and red rest-frame wavelengths A30

Michele Pizzardo, Ivana Damjanov, Jubee Sohn and Margaret J. Geller

Published online: 24 December 2025

DOI: https://doi.org/10.1051/0004-6361/202556368

Open Access

The Galaxy Activity, Torus, and Outflow Survey (GATOS) - X. Molecular gas clumpiness under the influence of AGN A33

Federico Esposito, Almudena Alonso-Herrero, Santiago García-Burillo, Ismael García Bernete, Françoise Combes, Richard Davies, Enrique Lopez-Rodriguez, Omaira González-Martín, Cristina Ramos Almeida, Anelise Audibert et al. (20 more)

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556485

Open Access

High-z [OI] emission lines: COLDSIM simulations and ALMA observations A39

M. Parente, M. Bischetti, U. Maio, F. Salvestrini, C. Feruglio, G. L. Granato, C. Ragone-Figueroa, R. Tripodi, C. De Breuck, C. Ferkinhoff and L. Tornatore

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557033

Open Access

Magnetic fields in the intracluster medium with TNG-Cluster: Properties, morphology, and tangential anisotropy A41

Katrin Lehle, Mateusz Ruszkowski, Dylan Nelson, Marine Prunier and Annalisa Pillepich

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556486

Open Access

Chemodynamic evidence of pristine gas accretion in the void galaxy VGS 12 A45

Evgeniya Egorova, Kathryn Kreckel, Oleg Egorov, Alexei Moiseev, Miguel A. Aragon-Calvo, Rien van de Weygaert, Sergey Kotov and Jacqueline van Gorkom

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557058

Open Access

NGC 6860, Mrk 915, and MCG -01-24-012 - II. Inflowing and outflowing cold molecular gas and the connection with ionized gas in Seyfert galaxies A51

Bruno Dall’Agnol de Oliveira, Thaisa Storchi-Bergmann, Neil Nagar, Santiago Garcia-Burillo, Rogemar A. Riffel, Dominika Wylezalek, Pranav Kukreti and Venkatessh Ramakrishnan

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555306

Open Access

SN 2023gpw: Exploring the diversity and power sources of hydrogen-rich superluminous supernovae A52

T. Kangas, P. Charalampopoulos, T. Nagao, L. Yan, M. Stritzinger, S. Schulze, K. Das, N. Elias-Rosa, C. Fremling, D. Perley et al. (11 more)

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555588

Open Access

MEGADES: MEGARA galaxy disc evolution survey - Ionised gas diagnosis A53

M. Chamorro-Cazorla, A. Gil de Paz, A. Castillo-Morales, A. Camps-Fariña, J. Gallego, E. Carrasco, J. Iglesias-Páramo, R. Cedazo, M. L. García-Vargas, S. Pascual et al. (6 more)

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556147

Open Access

Multi-messenger observations of binary neutron star mergers: Synergies between next-generation gravitational wave interferometers and wide-field, high-multiplex spectroscopic facilities A54

S. Bisero, S. D. Vergani, E. Loffredo, M. Branchesi, N. Hazra, U. Dupletsa and R. I. Anderson

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556217

Open Access

The multi-messenger view of pulsar timing array black holes with the Horizon-AGN simulation A56

Hippolyte Quelquejay Leclere, Kunyang Li, Marta Volonteri, Stanislav Babak, Ricarda S. Beckmann, Yohan Dubois, Clotilde Laigle and Natalie A. Webb

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555539

Open Access

Impact of active galactic nuclei and nuclear star formation on the ISM turbulence of galaxies: Insights from JWST/MIRI spectroscopy A59

Rogemar A. Riffel, Luis Colina, José Henrique Costa-Souza, Vincenzo Mainieri, Miguel Pereira Santaella, Oli L. Dors, Ismael García-Bernete, Almudena Alonso-Herrero, Anelise Audibert, Enrica Bellocchi et al. (24 more)

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556775

Open Access

How do recollimation-induced instabilities shape the propagation of hydrodynamic relativistic jets? A74

A. Costa, G. Bodo, F. Tavecchio, P. Rossi, P. Coppi, A. Sciaccaluga and S. Boula

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202554698

Open Access

ZTF SN Ia DR2 follow-up: Exploring the origin of the Type Ia supernova host galaxy step through Si II velocities A76

U. Burgaz, K. Maguire, L. Galbany, M. Rigault, Y.-L. Kim, J. Sollerman, T. E. Müller-Bravo, M. Ginolin, M. Smith, G. Dimitriadis et al. (11 more)

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556376

Open Access

Tracing satellite planes in the Sculptor group - II. Discovery of five faint dwarf galaxies in the DESI Legacy Survey A77

David Martínez-Delgado, Michael Stein, Marcel S. Pawlowski, Joanna D. Sakowska, Dmitry Makarov, Lidia Makarova, Giuseppe Donatiello and Dustin Lang

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202450574

Open Access

Resolving the molecular gas emission of the z ∼ 2.5–2.8 starburst galaxies SPT 0125-47 and SPT 2134-50 A81

K. Kade, M. Bredberg, K. Knudsen, S. König, G. Drouart, A. B. Romeo and T. J. L. C. Bakx

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202451456

Open Access

The relationship between the emission line, continuum luminosity, and Baldwin effect in blazars - I. The case of the Mg II λ2798 Å emission line A83

Víctor M. Patiño-Álvarez, Jonhatan U. Guerrero-González, Vahram Chavushyan, Douglas E. Monjardin-Ward, Tigran G. Arshakian and Irene Cruz-González

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555413

Open Access

Environmental invariance of the galaxy size–mass relation A84

Li-Wen Liao and Andrew P. Cooper

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556760

Open Access

Jet reorientation revealed by intermittent jet activity in radio galaxy 0954+556 A85

Ai-Ling Zeng, Wei Zhao, Jun Yang, Xu-Zhi Hu, Furen Deng, Yu Lei, Xiaoyu Hong, Xiang Liu, Liang Chen, Mai Liao et al. (2 more)

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202453625

Open Access

The mass-metallicity relation of bulges A87

Ignacio Muñoz-Escobar, Patricia B. Tissera, Jenny Gonzalez-Jara, Emanuel Sillero, Valentina P. Miranda, Susana Pedrosa and Lucas Bignone

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557133

Open Access

A deep X-ray look to the most obscured quasar at z ∼ 3.6 and its environment A90

I. Villani, L. Zappacosta, E. Piconcelli, M. Ginolfi, F. Ricci, F. La Franca, F. Arrigoni-Battaia, A. Bongiorno, S. Cantalupo, S. Carniani et al. (10 more)

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556627

Open Access

Warm absorber outflows in radio-loud active galactic nucleus 3C 59 A95

Yijun Wang, Tao Wang, Junjie Mao, Yerong Xu, Zhicheng He, Zheng Zhou, Chen Li, Yongquan Xue, Jiayi Chen, Fangzheng Shi and Missagh Mehdipour

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202553945

Open Access

A pilot very long baseline interferometry study of the SQUAB quasar sample featuring multiple Gaia detections A105

Y. Zhang, T. An, X. Ji, Z. Zheng, Y. Liu, Q. Wu, R. Lin and S. Liao

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202553670

Open Access

The origin of gas stripping of galaxies in group environments A106

Jinsu Rhee, Christophe Pichon, Yohan Dubois, Sukyoung K. Yi, Jongwan Ko, Yun-Kyeong Sheen, San Han, Seyoung Jeon, J. K. Jang, Wonki Lee et al. (5 more)

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556771

Open Access

Constraints on the z ∼ 6−13 intergalactic medium from JWST spectroscopy of Lyman-alpha damping wings in galaxies A114

Charlotte A. Mason, Zuyi Chen, Daniel P. Stark, Ting Yi Lu, Michael Topping and Mengtao Tang

Published online: 12 January 2026

DOI: https://doi.org/10.1051/0004-6361/202553820

Open Access

Properties of barred galaxies with the environment - II. The case of the Cosmic Web around the Virgo cluster A115

Virginia Cuomo, J. Alfonso L. Aguerri, Lorenzo Morelli, Nelvy Choque-Challapa and Stefano Zarattini

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556373

Open Access

Looking into the faintEst WIth MUSE (LEWIS): Exploring the nature of ultra-diffuse galaxies in the Hydra-I cluster - IV. A study of the globular cluster population in four ultra-diffuse galaxies A117

Marco Mirabile, Michele Cantiello, Marina Rejkuba, Steffen Mieske, Enrichetta Iodice, Chiara Buttitta, Maria Luisa Buzzo, Johanna Hartke, Goran Doll, Luca Rossi et al. (13 more)

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556180

Open Access

Simple relations from complex outflows: How the M−σ relation emerges in a multi-phase environment A118

M. Tartėnas, K. Zubovas and E. Skuodas

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556360

Open Access

A constant pressure model for the warm absorber in Mrk 509 A119

Krzysztof Hryniewicz, Agata Różańska, Tek Prasad Adhikari, Matteo Guainazzi, Biswaraj Palit and Rafał Wojaczyński

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202554950

Open Access

Revised optical classification of a sample of gamma-ray-emitting active galactic nuclei with GTC and VLT A122

B. Dalla Barba, L. Foschini, M. Berton, E. Järvelä, P. Marziani, S. Ciroi, E. Dalla Bontá, L. Crepaldi, A. Vietri, S. Antón et al. (3 more)

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557187

Open Access

On the dusty proximate damped Lyman-α system toward Q 2310−3358 at z = 2.40 A123

S. Han, J.-K. Krogager, C. Ledoux, G. Ma, K. E. Heintz, S. J. Geier, L. Christensen, P. Møller and J. P. U. Fynbo

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557874

Open Access

High-resolution mapping of molecular tori with ALMA A124

F. Combes, A. Audibert, S. Garcia-Burillo, L. Hunt, S. Aalto, V. Casasola, K. Dasyra, A. Eckart, M. Krips, S. Martin et al. (4 more)

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557190

Open Access

Probing neutral outflows in z ∼ 2 galaxies using JWST observations of Ca II H and K absorption lines A125

Caterina Liboni, Sirio Belli, Letizia Bugiani, Rebecca Davies, Minjung Park, Charlie Conroy, Razieh Emami, Benjamin D. Johnson, Amir H. Khoram, Joel Leja et al. (5 more)

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555845

Open Access

A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE) - XIX. The discovery of a spectacular 230 kpc Hα tail following NGC 4569 in the Virgo cluster A139

M. Sun, H. Le, B. Epinat, A. Boselli, R. Luo, K. Hosogi, N. Pichette, W. Forman, C. Sarazin, M. Fossati et al. (9 more)

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556225

Galactic structure, stellar clusters and populations

Open Access

Tracing ωCentauri’s origins: Spatial and chemical signatures of its formation history A2

E. Dondoglio, A. P. Milone, A. F. Marino, A. Mastrobuono-Battisti, E. Bortolan, M. V. Legnardi, T. Ziliotto, F. Muratore, G. Cordoni, E. P. Lagioia and M. Tailo

Published online: 23 December 2025

DOI: https://doi.org/10.1051/0004-6361/202556545

Open Access

Asymmetries in stellar streams induced by a galactic merger A6

Claire Guillaume, Florent Renaud, Nicolas F. Martin, Benoit Famaey, Paola Di Matteo, Guillaume F. Thomas, Salvatore Ferrone, Rodrigo Ibata and Giulia Pagnini

Published online: 24 December 2025

DOI: https://doi.org/10.1051/0004-6361/202557552

Open Access

The chemical DNA of the Magellanic Clouds - IV. Unveiling extreme element production: The Eu abundance in the Small Magellanic Cloud A31

S. Anoardo, A. Mucciarelli, M. Palla, L. Santarelli, C. Lardo and D. Romano

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557112

Open Access

Fast-rotating blue straggler stars in the globular cluster NGC 1851 A36

A. Billi, L. Monaco, F. R. Ferraro, A. Mucciarelli, B. Lanzoni, M. Cadelano and I. Trangolao

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557251

Open Access

The Gaia-ESO survey: Open clusters as tracers of galactic chemical evolution A57

K. Boucher, C. C. Worley, G. Gilmore, E. Stonkutė, L. Magrini, A. Drazdauskas, A. Bragaglia, G. Tautvaišienè, T. Bensby, F. Jiménez-Esteban et al. (3 more)

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556408

Open Access

Centrally concentrated star formation in young clusters A79

Adilkhan Assilkhan, Mordecai-Mark Mac Low, Brooke Polak, Ernazar Abdikamalov, Claude Cournoyer-Cloutier, Sean C. Lewis, Mukhagali Kalambay, Aigerim Otebay and Bekdaulet Shukirgaliyev

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556268

Open Access

Chronology of our Galaxy from Gaia colour-magnitude diagram fitting (ChronoGal) - IV. The inner Milky Way stellar age distribution A92

Tomás Ruiz-Lara, David Mirabal, Carme Gallart, Robert Grand, Francesca Fragkoudi, Isabel Pérez, Santi Cassisi, Emma Fernández-Alvar, Anna B. Queiroz, Guillem Aznar-Menargues et al. (8 more)

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556468

Open Access

Hubble Space Telescope proper motions of Large Magellanic Cloud star clusters - II. Kinematic structure of young and intermediate-age clusters A94

F. Niederhofer, L. Cullinane, D. Massari, N. Bastian, A. Bellini, F. Aguado-Agelet, S. Cassisi, D. Erkal, M. Libralato, N. Kacharov et al. (7 more)

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557397

Open Access

The velocity field of the Scorpius-Centaurus OB association - I. Method and general properties A108

S. Hutschenreuter, J. Alves, L. Posch, J. Großschedl, M. Piecka, N. Miret-Roig, S. Ratzenböck and C. Swiggum

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557273

Interstellar and circumstellar matter

Open Access

Stellar feedback effects on the mass distribution of clouds and cloud complexes A11

Luanna Veroneze Quinalha, Eric P. Andersson and Mordecai-Mark Mac Low

Published online: 23 December 2025

DOI: https://doi.org/10.1051/0004-6361/202556080

Open Access

Hidden metallic iron in amorphous silicate dust? - Insights from condensation experiments and mid-infrared spectroscopy A22

H. Enomoto, A. Takigawa, H. Chihara and C. Koike

Published online: 23 December 2025

DOI: https://doi.org/10.1051/0004-6361/202555958

Open Access

A three-dimensional reconstruction of the interstellar magnetic field toward a star-forming region A26

K. Ferrière, L. Montier and J.-S. Carrière

Published online: 08 January 2026

DOI: https://doi.org/10.1051/0004-6361/202451034

Open Access

Radio-continuum spectra of pulsars with free-free thermal absorption A47

Mario G. Abadi, Gabriela Castelletti and Namir E. Kassim

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557107

Open Access

TRIShUL: Technique for Reconstructing magnetic Interstellar Structure Using starLight polarization A63

Namita Uppal, Konstantinos Tassis, Vasiliki Pavlidou, Vincent Pelgrims and Myrto Falalaki

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556774

Open Access

CO depletion in infrared dark clouds A72

G. Cosentino, J. C. Tan, C. Gainey, C. Y. Law, C.-J. Hsu, D. Xu, W. Lim, I. Jiménez-Serra, A. T. Barnes, F. Fontani et al. (3 more)

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557102

Open Access

Evolution of galaxy attenuation curves driven by evolving dust mass and grain size distributions A75

Kosei Matsumoto, Laura Sommovigo, Andrea Gebek, Kentaro Nagamine, Angelos Nersesian, Maarten Baes, Ilse De Looze, Arjen van der Wel, Rachel Somerville, Leonard E. C. Romano and Rachel K. Cochrane

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555658

Open Access

APEX survey of interstellar HCl - ³⁵Cl/³⁷Cl isotopic ratios in dense cores and outflows A80

Lennart M. Böhm, Arshia M. Jacob, Friedrich Wyrowski, Karl M. Menten, Katharina Immer and Ashley T. Barnes

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556793

Open Access

FAUST - XXVIII. High-resolution ALMA observations of Class 0/I disks: Structure, optical depths, and temperatures A96

M. J. Maureira, J. E. Pineda, H. B. Liu, P. Caselli, C. Chandler, L. Testi, D. Johnstone, D. Segura-Cox, L. Loinard, E. Bianchi et al. (15 more)

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556063

Open Access

MINDS - Young binary systems with JWST/MIRI: Variable water-rich primaries and extended emission A97

Nicolás T. Kurtovic, Sierra L. Grant, Milou Temmink, Andrew D. Sellek, Ewine F. van Dishoeck, Thomas Henning, Inga Kamp, Valentin Christiaens, Andrea Banzatti, Danny Gasman et al. (9 more)

Published online: 12 January 2026

DOI: https://doi.org/10.1051/0004-6361/202554927

Open Access

ALMAGAL - V. Relations between the core populations and the parent clump physical properties A100

D. Elia, A. Coletta, S. Molinari, E. Schisano, M. Benedettini, Á. Sánchez-Monge, A. Traficante, C. Mininni, A. Nucara, S. Pezzuto et al. (47 more)

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202554764

Open Access

Inferring the physics of protoplanetary disc evolution from the irradiated Cygnus OB2 region - A comparison of viscous and MHD wind-driven scenarios A102

Jesse Weder, Andrew J. Winter and Christoph Mordasini

Published online: 12 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556316

Stellar structure and evolution

Open Access

Polarization properties of thermal accretion disk emission - I. Direct radiation A8

L. Marra, J. Podgorný, R. Taverna, G. Matt, S. Bianchi, M. Dovčiak and R. Goosmann

Published online: 23 December 2025

DOI: https://doi.org/10.1051/0004-6361/202554115

Open Access

Constraining lens masses in moderately to highly magnified microlensing events from Gaia A24

U. Pylypenko, Ł. Wyrzykowski, P. J. Mikołajczyk, K. Kotysz, P. Zieliński, N. Ihanec, M. Wicker, M. Ratajczak, M. Sitek, K. Howil et al. (50 more)

Published online: 24 December 2025

DOI: https://doi.org/10.1051/0004-6361/202554935

Open Access

Simulations of high-energy emission from high-mass microquasars via jet–wind interaction A32

Che-Jui Chang and Jean-Fu Kiang

Published online: 24 December 2025

DOI: https://doi.org/10.1051/0004-6361/202452681

Open Access

A new particle-based code for Lagrangian stochastic models applied to stellar turbulent convection A34

J. Philidet and K. Belkacem

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556625

Open Access

A new sample of massive B-type contact binary candidates from the OGLE survey of the Magellanic Clouds A43

A. Menon, M. Pawlak, D. Lennon, K. Sen and N. Langer

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202452694

Open Access

Quadruple system HD 135160 in a unique 2+2 configuration A60

M. Zummer, P. Harmanec, B. Barlow, M. Blackford and J. Švrčková

Published online: 08 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557637

Open Access

Filamentary accretion flows in high-mass star-forming clouds A64

J.-E. Schneider, H. Beuther, C. Gieser, S. Jiao, M. R. A. Wells, R. Klessen, S. Feng, P. Klaassen, M. T. Beltran, R. Cesaroni et al. (4 more)

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556074

Open Access

Confirmation of SRGt 062340.2-265751 as a nova-like cataclysmic variable with a possible magnetic nature A71

V. A. Cúneo, A. D. Schwope, J. Kurpas, A. Avakyan, J. Brink, D. A. H. Buckley, C. Maitra and M. Veresvarska

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557003

Open Access

Local mixing length theory with compositional effects: First application to asymptotic giant branch evolution A73

M. M. Ocampo, M. M. Miller Bertolami, A. H. Córsico and L. G. Althaus

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556671

Open Access

δ Circini: A massive hierarchical triple system with an eclipsing binary A99

J. Švrčková, P. Harmanec, R. Klement, Th. Rivinius, B. N. Barlow, J. Juryšek, M. Mašek, K. Hoňková and A. Oplištilová

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556994

Open Access

SN 2016iog: A fast-declining Type II-L supernova with an ultra-faint tail persistently interacting with circumstellar material A104

Z.-H. Peng, S. Benetti, Y.-Z. Cai, A. Pastorello, G. Valerin, A. Reguitti, A. Fiore, Q.-L. Fang, Z.-Y. Wang, M. Berton et al. (19 more)

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556330

Interstellar and circumstellar matter

Open Access

CO observations in rotating circumbinary post-AGB disks A29

I. Gallardo Cava, J. Alcolea, H. Van Winckel, V. Bujarrabal, M. Santander-García and M. Gómez-Garrido

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556445

Stellar atmospheres

Open Access

Spectropolarimetric characterisation of exoplanet host stars in preparation of the Ariel mission - II. The magnetised wind environment of TOI-1860, DS Tuc A, and HD 63433 A40

S. Bellotti, A. Lavail, D. Evensberget, A. A. Vidotto, C. Danielski, B. Edwards, G. A. J. Hussain, T. Lüftinger, J. Morin, P. Petit et al. (3 more)

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557581

Open Access

Deciphering transmission spectra by exploring the solar paradigm A111

N.-E. Nèmec, Ò. Porqueras-León, I. Ribas and A. I. Shapiro

Published online: 12 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557325

The Sun and the Heliosphere

Open Access

An unusual velocity field in a sunspot penumbra A10

H. Balthasar, C. Denker, A. Diercke, S. J. González Manrique, C. Kuckein, J. Löhner Böttcher, R. E. Louis, M. Sobotka and M. Verma

Published online: 23 December 2025

DOI: https://doi.org/10.1051/0004-6361/202142199

Open Access

Regulation of temperature anisotropy for solar wind protons and alpha particles by collisions and instabilities A14

Peter H. Yoon, Chadi S. Salem, Marian Lazar, Mihailo M. Martinović, Kristopher G. Klein, Rodrigo A. López, Shaaban M. Shaaban, Jungjoon Seough, Jia Huang, Muhammad Sarfraz and Stefaan Poedts

Published online: 24 December 2025

DOI: https://doi.org/10.1051/0004-6361/202557070

Open Access

The Uniturbulence and Alfvén Wave Solar Model (UAWSoM) in MPI-AMRVAC A15

M. McMurdo, T. Van Doorsselaere, N. Magyar, L. Banović and D. Lim

Published online: 23 December 2025

DOI: https://doi.org/10.1051/0004-6361/202555912

Open Access

Solar cycle evolution of ICME sheath regions at 1 AU A21

C. Larrodera, M. Temmer and M. Owens

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557295

Open Access

Insights into penumbral formation from high-resolution photospheric and chromospheric observations A35

Jonas Zbinden, Jaime de la Cruz Rodríguez, Carlos José Díaz Baso and Lucia Kleint

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556465

Open Access

Decomposing wave activity in the solar atmosphere - Shocks, jets, and swirls in the quiet Sun A42

George Cherry, Boris Gudiksen, Adam J. Finley and Quentin Noraz

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557226

Open Access

Multi-height probing of horizontal flows in the solar photosphere A44

T. Kostić, I. Milić, M. Rempel, B. Welsch, M. Kazachenko, A. Asensio Ramos and B. Tremblay

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556097

Open Access

Quasi-biennial oscillations and Rieger-type periodicities in a Babcock–Leighton solar dynamo A66

Pawan Kumar, Belur Ravindra, Partha Chowdhury and Bidya Binay Karak

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556276

Open Access

Collisional and magnetic effects on the polarization of the solar oxygen infrared triplet A69

M. Derouich and S. Qutub

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556214

Open Access

Chromosphere of the quiet sun - I. Shock and current-sheet dynamics and heating A86

Q. Noraz, M. Carlsson and G. Aulanier

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556375

Open Access

Temperature anisotropy, instabilities, and thermal processes in low-β plasma A91

Zubair I. Shaikh, Daniel Verscharen, Ivan Y. Vasko and Bennett A. Maruca

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555506

Open Access

A tale of two shocks A98

R. F. Wimmer-Schweingruber, D. Trotta, R. Kieokaew, L. Yang, A. Kollhoff, L. Berger, P. Kühl, S. I. Böttcher, B. Heber, P. Louarn et al. (16 more)

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555814

Open Access

Galactic and solar energetic particle observations during the increasing part of solar cycle 25 with EPD/HET and Metis on board Solar Orbiter A103

C. Grimani, M. Fabi, A. Persici, F. Sabbatini, M. Villani, A. Burtovoi, F. Frassati, M. Pancrazzi, D. Telloni, P. Kühl et al. (23 more)

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556636

Open Access

Center-to-limb variations of the He I 10 830 Å triplet A116

A. G. M. Pietrow, C. Kuckein, M. Verma, C. Denker, J. C. Trelles Arjona, R. Kamlah and K. Poppenhäger

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557267

Open Access

Connecting solar wind turbulence to plasma parameters at L1 using multi-spacecraft coherence A133

K. Pelkum Donahue and F. Inceoglu

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557052

Planets, planetary systems, and small bodies

Open Access

A homogeneous transit-timing-variation investigation of all TESS systems with a confirmed single-transiting planet A5

Luca Naponiello

Published online: 24 December 2025

DOI: https://doi.org/10.1051/0004-6361/202557512

Open Access

Energetics of star–planet magnetic interactions - Novel insights from 3D modelling A12

Arghyadeep Paul and Antoine Strugarek

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556212

Open Access

The atmospheric composition of TOI-270 d A25

Savvas Constantinou, Nikku Madhusudhan and Måns Holmberg

Published online: 24 December 2025

DOI: https://doi.org/10.1051/0004-6361/202452192

Open Access

No TiO detected in the hot-Neptune-desert planet LTT-9779 b in reflected light at high spectral resolution A27

Sophia R. Vaughan, Jayne L. Birkby, Natasha E. Batalha, Luke T. Parker, Haochuan Yu, Julia V. Seidel, Michael Radica, Jake Taylor, Laura Kreidberg, Vivien Parmentier et al. (5 more)

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557240

Open Access

Gaia and IRTF abundance of A-type main-belt asteroids A46

M. Delbo, C. Avdellidou, M. Galinier, U. Bhat, T. Dyer, B. T. Bolin and L. Galluccio

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556827

Open Access

Capture and escape from the 2:1 resonance between Ariel and Umbriel in a fast-migration scenario of the Uranian system A48

M. Rossi, G. Lari, M. Falletta, C. Grassi, S. R. A. Gomes and M. Saillenfest

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557461

Open Access

The ¹²CO gas structures of protoplanetary disks in the Upper Scorpius region A49

Luigi Zallio, Giovanni P. Rosotti, Miguel Vioque, Anna Miotello, Sean M. Andrews, Carlo F. Manara, John M. Carpenter, Aaron Empey, Nicolás T. Kurtovic, Charles J. Law et al. (6 more)

Published online: 12 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557366

Open Access

Quantification of abundance uncertainties in chemical models of exoplanet atmospheres A50

Marcelino Agúndez

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556364

Open Access

Excitation of planetary inclinations via dynamical bifurcations driven by misaligned disks A82

Tao Fu and Yue Wang

Published online: 13 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555897

Open Access

Photometric and spectroscopic monitoring of the outbursting Halley-type comet 12P/Pons-Brooks A89

M. Vander Donckt, E. Jehin, K. Aravind, C. Adami, S. Hmiddouch, J. Manfroid, S. Ganesh, Z. Benkhaldoun and A. Delsanti

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556202

Open Access

Probing methane in Uranus’ upper stratosphere using HST observations of the 1280 Å Raman feature A109

Sushen Joshi, Lorenz Roth, Jean-Yves Chaufray, Randy Gladstone, Nickolay Ivchenko, Darrell Strobel and Laurent Lamy

Published online: 12 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556779

Open Access

Mapping of the Ganymede surface reflectance from Juno/UVS data A110

B. Benmahi, V. Hue, P. Molyneux, A. Vorburger, J. H. Waite, G. Gronoff, A. Bouquet, G. R. Gladstone, F. Leblanc, B. Benne et al. (5 more)

Published online: 12 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557459

Celestial mechanics and astrometry

Open Access

Compact binary system dynamics at the second post-Newtonian order: Analytical formula of the coordinate time for eccentric and circular orbits A61

Vittorio De Falco and Marco Gallo

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555309

Open Access

Lunar reference systems and their realisations using INPOP ephemerides A88

N. Rambaux, A. Fienga, Y. Seyffert, K. Sośnica, A. Kaitheri, J. Laskar, M. Gastineau and D. Baguet

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555962

Astronomical instrumentation

Open Access

A new broad K/Ka-band receiver (18.0–32.3 GHz) for the Yebes Observatory’s 40 meter radio telescope A17

J. A. López-Pérez, F. Tercero, J. D. Gallego-Puyol, C. Albo-Castaño, R. Amils-Samalot, M. Bautista-Durán, L. Barbas, F. Beltrán, M. Díez-González, P. García-Carreño et al. (19 more)

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202557378

Open Access

Asgard/NOTT: L-band nulling interferometry at the VLTI - III. The mid-infrared integrated optics beam combiner for NOTT A37

Ahmed Sanny, Lucas Labadie, Simon Gross, Kévin Barjot, Romain Laugier, Germain Garreau, Marc-Antoine Martinod, Denis Defrère and Michael J. Withford

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555865

Open Access

The making of robust and highly performing imaging spectropolarimeters for large solar telescopes A55

G. B. Scharmer, J. de la Cruz Rodríguez, J. Leenaarts, B. Lindberg, P. Sütterlin, T. Hillberg, C. Pietraszewski, A. G. de Wijn, M. Foster and J. Storey

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202555819

Open Access

Deep-learning-based prediction of precipitable water vapor in the Chajnantor area A68

Alison Matus-Bello, Silvia E. Restrepo, Ricardo Bustos, Yi Hu, Fujia Du, Jaime Cariñe, Pablo García, Javier Maldonado, Rodrigo Reeves and Zhaohui Shang

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556107

Open Access

The CubeSpec space mission - II. Observational strategy validation A93

P. Neuville, H. Sana, A. Tkachenko, P. Royer, J. Windey, A. Vermant, G. Raskin, J. Pember, D. M. Bowman and B. Vandenbussche

Published online: 09 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556210

Catalogs and data

Open Access

Dwarf galaxies within the Kilo Degree Survey A78

Aku Venhola and Oliver Müller

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202554997

Numerical methods and codes

Open Access

Accurate N-body simulations with local primordial non-Gaussianities: Initial conditions and aliasing A20

Adrian Gutierrez Adame, Santiago Avila, Violeta Gonzalez-Perez, Oliver Hahn, Gustavo Yepes and Marc Manera

Published online: 23 December 2025

DOI: https://doi.org/10.1051/0004-6361/202556174

Open Access

Comparing the data-reduction pipelines of FRIPON, DFN, WMPL, and AMOS: Case study of the Geminids A65

P. M. Shober, J. Vaubaillon, S. Anghel, H. A. R. Devillepoix, F. Hlobik, P. Matlovič, J. Tóth, D. Vida, E. K. Sansom, T. Jansen-Sturgeon et al. (8 more)

Published online: 06 January 2026

DOI: https://doi.org/10.1051/0004-6361/202554364

Open Access

J-PLUS: Turning off the bright stars A67

Sepideh Eskandarlou, Mohammad Akhlaghi, Johan H. Knapen, Carlos López-Sanjuan, Raúl Infante-Sainz, Helena Domínguez Sánchez, Zahra Sharbaf, Héctor Vázquez Ramió, Juan Antonio Fernández Ontiveros, César Iñiguez García et al. (16 more)

Published online: 07 January 2026

DOI: https://doi.org/10.1051/0004-6361/202556547

Astronomy & Astrophysics

Volume 705 (January 2026) (in progress)

Letters to the Editor

Evading the dust fragmentation barrier with the streaming instability in protoplanetary disks L1

Long-term X-ray variability of the multiple-planet host L 98-59: Hints of an activity cycle L2

Pre-perihelion detection of a wobbling high-latitude jet in the interstellar comet 3I/ATLAS L3

Microquasar remnants as hidden PeVatrons L4

A one-parameter two-zone leptonic model for the blazar sequence L5

Evolution of ultracompact neutron star–helium star binaries L6

Discovery of two new isomers of cyanoacenaphthylene (C12H7CN) in the Taurus molecular cloud 1 with the QUIJOTE line survey L7

Connections between the cycle-to-cycle light curve and O−C variations of the Blazhko RR Lyrae stars L8

Discovery of a galaxy associated with the HI cloud FAST J0139+4328 L9

Missing dust of super-early galaxies - Supernova blowout and gas–dust venting in blue monsters L10

First reverberation mapping of a Bowen fluorescence line L11

A pristine, star-forming complex at z = 4.19 L12

Polarization echoes from past nuclear activity in the quasi-periodic eruption source GSN 069 L13

The near-infrared silhouette of the Flying Saucer edge-on disc revealed by the JWST JEDIce program L14

Astrophysical processes

Line-force-driven wind from a thin disk in a tidal disruption event A4

Recasting the nature of INTEGRAL hard X-ray transients previously classified as active galactic nuclei A7

Fermi-LAT detections of the classical novae V1723 Sco and V6598 Sgr in a multi-wavelength context A19

Molybdenum and ruthenium in the Galactic disk: A closer look at their nucleosynthesis components A38

Tidal disruption and evaporation of rubble-pile and monolithic bodies as a source of flaring activity in Sgr A★ A58

A wide-field X-ray search for the Geminga pulsar halo with SRG/ART-XC A107

Rebrightenings of gamma-ray burst afterglows from an increasing magnetic inclination angle of a nascent magnetar A130

Cosmology (including clusters of galaxies)

Quantifying the impact of detection bias from blended galaxies on cosmic shear surveys A3

The topology of Rayleigh-Levy flights in two dimensions A18

Cosmological inference with cosmic voids and neural network emulators A62

Cosmic voids and the kinetic analysis - V. Hubble tension, the cosmological constant, and aperiodic filaments A70

The signature of major mergers on the hydrostatic mass bias of galaxy clusters A101

Hubble-constant and -mass determination of Centaurus A and M83 from tip-of-red-giant-branch distances A112

The interpretation of XRISM X-ray measurements of turbulence in the intracluster medium: A comparison with cosmological simulations A129

Extragalactic astronomy

The GECKOS survey: The formation history of a barred galaxy via structural decomposition and spatially resolved spectroscopy A1

Continuum variability in multi-epoch quasar spectra from the Sloan Digital Sky Survey A9

TDCOSMO - XXI. Accurate stellar velocity dispersions of the SL2S lens sample and the fundamental plane of the lensing mass A13

Detecting metal enrichment of the intergalactic medium with the two-point correlation function of the flux - Application to the UVES deep spectrum A16

Spatially resolved polarization swings in the supermassive binary black hole candidate OJ 287 with first Event Horizon Telescope observations A23

The halo magnetic field of a spiral galaxy at z = 0.414 A28

Structural evolution of quiescent galaxies at intermediate redshifts at UV and red rest-frame wavelengths A30

The Galaxy Activity, Torus, and Outflow Survey (GATOS) - X. Molecular gas clumpiness under the influence of AGN A33

High-z [OI] emission lines: COLDSIM simulations and ALMA observations A39

Magnetic fields in the intracluster medium with TNG-Cluster: Properties, morphology, and tangential anisotropy A41

Chemodynamic evidence of pristine gas accretion in the void galaxy VGS 12 A45

NGC 6860, Mrk 915, and MCG -01-24-012 - II. Inflowing and outflowing cold molecular gas and the connection with ionized gas in Seyfert galaxies A51

SN 2023gpw: Exploring the diversity and power sources of hydrogen-rich superluminous supernovae A52

MEGADES: MEGARA galaxy disc evolution survey - Ionised gas diagnosis A53

Multi-messenger observations of binary neutron star mergers: Synergies between next-generation gravitational wave interferometers and wide-field, high-multiplex spectroscopic facilities A54

The multi-messenger view of pulsar timing array black holes with the Horizon-AGN simulation A56

Impact of active galactic nuclei and nuclear star formation on the ISM turbulence of galaxies: Insights from JWST/MIRI spectroscopy A59

How do recollimation-induced instabilities shape the propagation of hydrodynamic relativistic jets? A74

ZTF SN Ia DR2 follow-up: Exploring the origin of the Type Ia supernova host galaxy step through Si II velocities A76

Tracing satellite planes in the Sculptor group - II. Discovery of five faint dwarf galaxies in the DESI Legacy Survey A77

Resolving the molecular gas emission of the z ∼ 2.5–2.8 starburst galaxies SPT 0125-47 and SPT 2134-50 A81

The relationship between the emission line, continuum luminosity, and Baldwin effect in blazars - I. The case of the Mg II λ2798 Å emission line A83

Environmental invariance of the galaxy size–mass relation A84

Jet reorientation revealed by intermittent jet activity in radio galaxy 0954+556 A85

The mass-metallicity relation of bulges A87

A deep X-ray look to the most obscured quasar at z ∼ 3.6 and its environment A90

Warm absorber outflows in radio-loud active galactic nucleus 3C 59 A95

A pilot very long baseline interferometry study of the SQUAB quasar sample featuring multiple Gaia detections A105

The origin of gas stripping of galaxies in group environments A106

Constraints on the z ∼ 6−13 intergalactic medium from JWST spectroscopy of Lyman-alpha damping wings in galaxies A114

Properties of barred galaxies with the environment - II. The case of the Cosmic Web around the Virgo cluster A115

Looking into the faintEst WIth MUSE (LEWIS): Exploring the nature of ultra-diffuse galaxies in the Hydra-I cluster - IV. A study of the globular cluster population in four ultra-diffuse galaxies A117

Simple relations from complex outflows: How the M−σ relation emerges in a multi-phase environment A118

A constant pressure model for the warm absorber in Mrk 509 A119

Revised optical classification of a sample of gamma-ray-emitting active galactic nuclei with GTC and VLT A122

On the dusty proximate damped Lyman-α system toward Q 2310−3358 at z = 2.40 A123

High-resolution mapping of molecular tori with ALMA A124

Probing neutral outflows in z ∼ 2 galaxies using JWST observations of Ca II H and K absorption lines A125

A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE) - XIX. The discovery of a spectacular 230 kpc Hα tail following NGC 4569 in the Virgo cluster A139

Galactic structure, stellar clusters and populations

Tracing ωCentauri’s origins: Spatial and chemical signatures of its formation history A2

Asymmetries in stellar streams induced by a galactic merger A6

The chemical DNA of the Magellanic Clouds - IV. Unveiling extreme element production: The Eu abundance in the Small Magellanic Cloud A31

Fast-rotating blue straggler stars in the globular cluster NGC 1851 A36

The Gaia-ESO survey: Open clusters as tracers of galactic chemical evolution A57

Centrally concentrated star formation in young clusters A79

Discovery of two new isomers of cyanoacenaphthylene (C₁₂H₇CN) in the Taurus molecular cloud 1 with the QUIJOTE line survey L7

Tidal disruption and evaporation of rubble-pile and monolithic bodies as a source of flaring activity in Sgr A^★ A58

APEX survey of interstellar HCl - ³⁵Cl/³⁷Cl isotopic ratios in dense cores and outflows A80

The ¹²CO gas structures of protoplanetary disks in the Upper Scorpius region A49