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Zangetsu: A Candidate Isolated, Quiescent, and Backsplash Ultra-diffuse Galaxy in the COSMOS Field

Leyao 乐瑶 Wei 韦, Song 崧 Huang 黄, Jiaxuan 嘉轩 Li 李, Zechang 泽昌 Sun 孙, Mingyu 明宇 Li 李 and Jiaxin 佳欣 Tang 唐
The Astrophysical Journal 997 (1) 32 (2026)
https://doi.org/10.3847/1538-4357/ae20f5

The Most Luminous Known Fast Blue Optical Transient AT 2024wpp: Unprecedented Evolution and Properties in the Ultraviolet to the Near-infrared

Natalie LeBaron, Raffaella Margutti, Ryan Chornock, Nayana A. J., Olivia Aspegren, Wenbin Lu, Brian D. Metzger, Daniel Kasen, Thomas G. Brink, Sergio Campana, Paolo D’Avanzo, Jakob T. Faber, Matteo Ferro, Alexei V. Filippenko, Ryan J. Foley, Xinze Guo, Erica Hammerstein, Saurabh W. Jha, Charles D. Kilpatrick, Giulia Migliori, Dan Milisavljevic, Kishore C. Patra, Huei Sears, Jonathan J. Swift, Samaporn Tinyanont, et al.
The Astrophysical Journal Letters 997 (1) L10 (2026)
https://doi.org/10.3847/2041-8213/ae2910

Magnetic Activity in M-type Stars Based on LAMOST DR11 and TESS Observations

Linfeng Ren, Li-yun Zhang, Xianming L. Han, Tianhao Su, Wenjie Li, Yinpeng Wang and Prabhakar Misra
The Astrophysical Journal Supplement Series 282 (2) 29 (2026)
https://doi.org/10.3847/1538-4365/ae2461

A Submillimeter Survey of CS Excitation in Protoplanetary Disks: Evidence of X-Ray-driven Sulfur Chemistry

Charles J. Law, Romane Le Gal, Karin I. Öberg, Ke Zhang, Yuri Aikawa, Sean M. Andrews, Jaehan Bae, Alice S. Booth, Gianni Cataldi, L. Ilsedore Cleeves, Feng Long, François Ménard, Chunhua Qi, Richard Teague and David J. Wilner
The Astrophysical Journal 997 (1) 91 (2026)
https://doi.org/10.3847/1538-4357/ae1fdf

The physical properties of post-mass-transfer binaries

R. Seeburger, H.-W. Rix, K. El-Badry, J. Müller-Horn, A. J. Dimoff, J. Henneco and J. I. Villaseñor
Astronomy & Astrophysics 705 A146 (2026)
https://doi.org/10.1051/0004-6361/202553916

Probing periodic and aperiodic variability of X-ray sources in M31, M81, and Centaurus A with Chandra

Jiachang Zhang, Zhiyuan Li, Ziqian Hua and Tong Bao
Monthly Notices of the Royal Astronomical Society 546 (1) (2026)
https://doi.org/10.1093/mnras/staf2237

Magnetic field morphology and physical properties of two small molecular clouds: L1604 and L121

Bhaskarjyoti Barman, Himadri Sekhar Das, Gulafsha B Choudhury, Jeewan C Pandey, Biman J Medhi, Rajat Subhra Paul, Dipankar Paul, Sanchali Nath Mazumdar, Biki Prasad and Nambram Niroda Devi
Monthly Notices of the Royal Astronomical Society 545 (4) (2026)
https://doi.org/10.1093/mnras/staf2228

Spectral evolution of hot hybrid white dwarfs

Semih Filiz, Nicole Reindl, David Jones, Paulina Sowicka, Matti Dorsch, Thomas Rauch and Klaus Werner
Astronomy & Astrophysics 706 A152 (2026)
https://doi.org/10.1051/0004-6361/202557071

Kinematic Ages of the Tucana–Horologium, Columba, and Carina Associations

Dominic Couture, Jonathan Gagné and René Doyon
The Astrophysical Journal 997 (1) 129 (2026)
https://doi.org/10.3847/1538-4357/ae1d79

The velocity field of the Scorpius-Centaurus OB association

S. Hutschenreuter, J. Alves, L. Posch, J. Großschedl, M. Piecka, N. Miret-Roig, S. Ratzenböck and C. Swiggum
Astronomy & Astrophysics 705 A108 (2026)
https://doi.org/10.1051/0004-6361/202557273

Gaia FGK benchmark stars: Spectral library and abundances of α and Fe-peak elements of the third version

L. Casamiquela, C. Soubiran, P. Jofré, S. Vitali, S. Blanco-Cuaresma, N. Lagarde, D. Slumstrup, U. Heiter, J. T. Palmerio, N. Brouillet, S. Elgueta, A. Rojas–Arriagada, C. Aguilera–Gómez, I. Hernández–Araya, O. L. Creevey, L. Balaguer–Núñez and R. Carrera
Astronomy & Astrophysics 705 A167 (2026)
https://doi.org/10.1051/0004-6361/202555211

J-PAS: First identification, physical properties, and ionization efficiency of extreme emission line galaxies

A. Giménez-Alcázar, R. Amorín, J. M. Vílchez, A. Hernán-Caballero, M. González-Otero, A. Arroyo-Polonio, J. Iglesias-Páramo, A. Lumbreras-Calle, J. A. Fernández-Ontiveros, C. López-Sanjuan, L. Bonatto, R. M. González Delgado, C. Kehrig, A. Torralba, P. T. Rahna, Y. Jiménez-Teja, I. Márquez, I. Breda, A. Álvarez-Candal, R. Abramo, J. Alcaniz, N. Benitez, S. Bonoli, S. Carneiro, J. Cenarro, et al.
Astronomy & Astrophysics 706 A261 (2026)
https://doi.org/10.1051/0004-6361/202557358

Towards sub-milliarcsecond astrometric precision using high-cadence seeing-limited imaging

Noam Segev, Eran O Ofek, Yossi Shvartzvald, Krzysztof A Rybicki, Chung-Uk Lee, Dong-Jin Kim, Jennifer C Yee, Michael D Albrow, Sun-Ju Chung, Andrew Gould, Cheongho Han, Kyu-Ha Hwang, Youn Kil Jung, In-Gu Shin, Hongjing Yang, Weicheng Zang, Sang-Mok Cha, Hyoun-Woo Kim, Seung-Lee Kim, Yoon-Hyun Ryu, Dong-Joo Lee, Yongseok Lee, Byeong-Gon Park and Richard W Pogge
Monthly Notices of the Royal Astronomical Society 546 (1) (2026)
https://doi.org/10.1093/mnras/staf2234

WIYN Open Cluster Study. XCVII. An Extended Radial-velocity Survey and Spectroscopic Binary Orbits in the Open Cluster NGC 188

Ritvik Sai Narayan, Evan Linck, Robert D. Mathieu and Aaron M. Geller
The Astronomical Journal 171 (2) 102 (2026)
https://doi.org/10.3847/1538-3881/ae2d14

Detection of Millimeter-wavelength Flares from Two Accreting White Dwarf Systems in the SPT-3G Galactic Plane Survey

Y. Wan, J. D. Vieira, P. M. Chichura, T. J. Maccarone, A. J. Anderson, B. Ansarinejad, A. Anumarlapudi, M. Archipley, L. Balkenhol, P. S. Barry, K. Benabed, A. N. Bender, B. A. Benson, F. Bianchini, L. E. Bleem, F. R. Bouchet, L. Bryant, E. Camphuis, M. G. Campitiello, J. E. Carlstrom, C. L. Chang, P. Chaubal, A. Chokshi, T.-L. Chou, A. Coerver, et al.
The Astrophysical Journal 997 (2) 133 (2026)
https://doi.org/10.3847/1538-4357/ae2de8

A binary-related origin mediated by environmental conditions for blue straggler stars

Francesco R. Ferraro, Barbara Lanzoni, Enrico Vesperini, Emanuele Dalessandro, Mario Cadelano, Cristina Pallanca, Giacomo Beccari, Domenico Nardiello, Mattia Libralato and Giampaolo Piotto
Nature Communications 17 (1) (2026)
https://doi.org/10.1038/s41467-025-68159-5

Analysis of mass-transferring binary candidates in the Milky Way

G. Garcia-Moreno, N. Blagorodnova, F. Anders, M. Weiler, H. Wichern, N. Britavskiy and S. de Wet
Astronomy & Astrophysics 706 A249 (2026)
https://doi.org/10.1051/0004-6361/202557113

Hipparcos, Gaia, and Radial Velocities Reveal that the Radio-emitting F Star HD 220242 Has an M Dwarf Companion, a Likely Source of the Radio Emission*

Megan Delamer, Guđmundur Stefánsson, Suvrath Mahadevan, Caleb I. Cañas, Harish K. Vedantham, Arvind F. Gupta, Joseph R. Callingham, Juan Bautista Climent Oliver, William Cochran, Rachel B. Fernandes, Evan Fitzmaurice, Jose Carlos Guirado, Michael Hartmann, Artie P. Hatzes, Elise Koo, Jessica E. Libby-Roberts, Joe P. Ninan, Miguel Pérez-Torres, Paul Robertson, Arpita Roy and Christian Schwab
The Astronomical Journal 171 (2) 92 (2026)
https://doi.org/10.3847/1538-3881/ae2c55

Radial Velocity Monitoring and Analysis of Gaia Astrometry of Selected Intermediate Mass Stars to Constrain Their Multiplicity Status

J. Bätz, M. Mugrauer, K.‐U. Michel, J. Reichert, A. Tschirschky, L. Pietsch, F. Edelmann and R. Neuhäuser
Astronomische Nachrichten 347 (1) (2026)
https://doi.org/10.1002/asna.70055

Hidden Companions to Intermediate-mass Stars. XXXIV. Discovery of the Companions in Five “Boring” Accelerating A-type Stars*

Idel Waisberg, Ygal Klein and Boaz Katz
Research Notes of the AAS 10 (1) 18 (2026)
https://doi.org/10.3847/2515-5172/ae3a78

The ALMA survey to Resolve exoKuiper belt Substructures (ARKS)

S. Marino, L. Matrà, A. M. Hughes, J. Ehrhardt, G. M. Kennedy, C. del Burgo, A. Brennan, Y. Han, M. R. Jankovic, J. B. Lovell, S. Mac Manamon, J. Milli, P. Weber, B. Zawadzki, R. Bendahan-West, A. Fehr, E. Mansell, J. Olofsson, T. D. Pearce, A. Bayo, B. C. Matthews, T. Löhne, M. C. Wyatt, P. Ábrahám, M. Bonduelle, et al.
Astronomy & Astrophysics 705 A195 (2026)
https://doi.org/10.1051/0004-6361/202556489

The ALMA survey to Resolve exoKuiper belt Substructures (ARKS)

A. Brennan, L. Matrà, S. Mac Manamon, S. Marino, G. Cataldi, A. M. Hughes, P. Weber, Y. Han, J. P. Marshall, B. Zawadzki, P. Luppe, A. A. Sefilian, A. Moór, M. A. MacGregor, J. B. Lovell, A. Kóspál, M. Bonduelle, E. Mansell, M. C. Wyatt, T. D. Pearce, J. M. Carpenter, D. J. Wilner, C. del Burgo, S. Pérez, T. Henning, et al.
Astronomy & Astrophysics 705 A201 (2026)
https://doi.org/10.1051/0004-6361/202556566

The ALMA survey to Resolve exoKuiper belt Substructures (ARKS)

S. Marino, V. Gupta, P. Weber, T. D. Pearce, A. Brennan, S. Pérez, S. Mac Manamon, L. Matrà, J. Milli, M. Booth, C. del Burgo, G. Cataldi, E. Chiang, Y. Han, Th. Henning, A. M. Hughes, M. R. Jankovic, Á. Kóspál, J. B. Lovell, P. Luppe, E. Mansell, M. A. MacGregor, A. Moór, J. Olofsson, A. A. Sefilian, et al.
Astronomy & Astrophysics 705 A202 (2026)
https://doi.org/10.1051/0004-6361/202556493

Secondary Standards in the UKIRT Faint Standard Fields

Marek Górski, Grzegorz Pietrzyński, Paulina Karczmarek, Gergely Hajdu, Mirosław Kicia, Mikołaj Kałuszyński, Joseph R. Eimer, Stephen A. Smee, Bartłomiej Zgirski, Piotr Wielgórski and Weronika Narloch
The Astrophysical Journal Supplement Series 282 (2) 44 (2026)
https://doi.org/10.3847/1538-4365/ae13ab

Close-in faint companions mimicking interferometric hot exozodiacal dust observations

Katsiaryna Tsishchankava, Florian Kirchschlager, Anton Krieger, Thomas A. Stuber and Sebastian Wolf
Astronomy & Astrophysics 705 A211 (2026)
https://doi.org/10.1051/0004-6361/202555012

SPIRou detects two planets around the nearby M4.5V star GJ 4274

Paul Charpentier, Claire Moutou, Jean-François Donati, Pierre Larue, Xavier Delfosse, Pía Cortés-Zuleta, Merwan Ould-Elhkim, Étienne Artigau, Charles Cadieux, Guillaume Hebrard, Alexandrine L’Heureux, Andres Carmona, Florian Debras, Isabelle Boisse and Neil James Cook
Astronomy & Astrophysics 705 A243 (2026)
https://doi.org/10.1051/0004-6361/202557666

A comprehensive study of δ Scuti-type pulsators in eclipsing binaries: Oscillating eclipsing Algols

T. Pawar, A. Miszuda, K. G. Hełminiak, F. Marcadon, A. Moharana, G. Pawar and M. Konacki
Astronomy & Astrophysics 705 A251 (2026)
https://doi.org/10.1051/0004-6361/202554310

Asteroseismic and membership analysis of the eclipsing binary KIC 9777062 in NGC 6811

Z Çelik Orhan, C Kayhan, E Çalık, G Gürsoy, S Ülgen, R Demirci, E Çördük, D Kaşkaya and İ Bektaş
Monthly Notices of the Royal Astronomical Society 546 (2) (2026)
https://doi.org/10.1093/mnras/stag036

Spectroscopic characterization of LOFAR radio-emitting M dwarfs

E. Koo, G. Stefansson, R. D. Kavanagh, M. Delamer, S. Mahadevan, J. R. Callingham, H. Vedantham, P. Robertson, D. Bruijne, C. F. Bender, C. I. Cañas, S. Diddams, J. I. Espinoza-Retamal, R. B. Fernandes, S. Halverson, S. Kanodia, D. Krolikowski, A. S. J. Lin, B. J. S. Pope, A. Roy, C. Schwab, R. Terrien and J. T. Wright
Astronomy & Astrophysics 706 A98 (2026)
https://doi.org/10.1051/0004-6361/202556483