Astronomy & Astrophysics (A&A)

Volume 708 (April 2026)
(in progress)

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Antlia SNR observed in X-rays with eROSITA/SRG (Knies, F., et al., 2026, A&A, 708, A198)

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Latest special issuesAll

Euclid Quick Data Release (Q1) (in progress)
Solar Orbiter First Results (Nominal Mission Phase)
ZTF SN Ia DR2

Open Access

A modest change in magnetic braking at the fully convective boundary explains the evolution of cataclysmic variables

Joaquín A. Barraza-Jorquera, Matthias R. Schreiber, Stuart Littlefair, Diogo Belloni and Axel D. Schwope

A&A, 708 (2026) L11

Published online: 13 April 2026
Open Access

NIKA2 unveils and pinpoints the Planck compact sources

S. Berta, F.-X. Désert, B. Ladjelate, R. Adam, P. Ade, H. Ajeddig, S. Amarantidis, P. André, H. Aussel, A. Beelen et al. (45 more)

A&A, 708 (2026) L12

Published online: 13 April 2026
Open Access

Detection of CO₂ ice in the planetary nebula NGC 6302

C. Bhatt, S. W. Cao, J. Cami, N. Clark, P. Ehrenfreund, E. Peeters, M. Matsuura, G. C. Sloan, H. L. Dinerstein, P. Kavanagh et al. (13 more)

A&A, 708 (2026) L13

Published online: 13 April 2026
Open Access

Galaxy cluster count cosmology with simulation-based inference

M. Regamey, D. Eckert, R. Seppi, W. Hartley, K. Umetsu, S. Tam and D. Gerolymatou

A&A, 708 (2026) A260

Published online: 13 April 2026
Open Access

Deviations from the radial acceleration relation in the central galaxies of clusters, subclusters, and groups

Michal Bílek, Florent Renaud and Srdjan Samurović

A&A, 708 (2026) A258

Published online: 13 April 2026
Open Access

New classification method for the dynamical state of galaxy clusters with a Gaussian mixture model

Hyowon Kim, Marco Canducci, Rory Smith, Peter Tino, Yara Jaffe, Ho Seong Hwang, Jihye Shin and Kyungwon Chun

A&A, 708 (2026) A262

Published online: 13 April 2026
Open Access

CLASH-VLT velocity anisotropy profiles in a stack of massive galaxy clusters

Enrico Maraboli, Andrea Biviano, Claudio Grillo, Amata Mercurio, Lorenzo Pizzuti, Piero Rosati and Maurizio D’Addona

A&A, 708 (2026) A264

Published online: 13 April 2026
Open Access

Uncovering the absorbed atomic Universe with the [OI]63 μm line

Carlos De Breuck, Kevin C. Harrington, Wout Hermans, Luke Maud, Aniket Bhagwat, Ilse De Looze, Bo Peng, Amit Vishwas, Benedetta Casavecchia and Andreas Lundgren

A&A, 708 (2026) A265

Published online: 13 April 2026

Most downloaded articles

1175	Planck 2018 results Free Access Planck 2018 results - VI. Cosmological parameters Planck Collaboration, N. Aghanim, Y. Akrami, M. Ashdown, J. Aumont, C. Baccigalupi, M. Ballardini, A. J. Banday, R. B. Barreiro, N. Bartolo et al. (172 more) A&A, 641 (2020) A6 Published online: 11 September 2020
1110	Press Release Open Access Orbital motion detected in γ Cas Fe K emission lines Yaël Nazé, Masahiro Tsujimoto, Gregor Rauw and Sean J. Gunderson A&A, 707 (2026) A334 Published online: 24 March 2026
863	Press Release Open Access Solar twins in Gaia DR3 GSP-Spec - I. Building a large catalog of solar twins with ages Daisuke Taniguchi, Patrick de Laverny, Alejandra Recio-Blanco, Takuji Tsujimoto and Pedro A. Palicio A&A, 707 (2026) A260 Published online: 12 March 2026
798	Free Access The chemistry of C₂ and C₃ in the coma of Comet C/1995 O1 (Hale-Bopp) at heliocentric distances r_h ≥ 2.9 AU J. Helbert, H. Rauer, D. C. Boice and W. F. Huebner A&A, 442 3 (2005) 1107-1120 Published online: 14 October 2005
786	Press Release Highlight Free Access The nature of the TRAPPIST-1 exoplanets Simon L. Grimm, Brice-Olivier Demory, Michaël Gillon, Caroline Dorn, Eric Agol, Artem Burdanov, Laetitia Delrez, Marko Sestovic, Amaury H. M. J. Triaud, Martin Turbet et al. (16 more) A&A, 613 (2018) A68 Published online: 04 June 2018

Volume 708 (April 2026) (in progress)
1. JWST-NIRCam images of protoplanetary disks in the Orion Nebula Cluster (Amiot, P., et al., 2026, A&A, 708, A111)
2. Resolved protoplanetary discs at 1.3 mm (Bosschaart, Q., et al., 2026, A&A, 708, A143)
3. Antlia SNR observed in X-rays with eROSITA/SRG (Knies, F., et al., 2026, A&A, 708, A198)
See the table of contents
Volume 707 (March 2026)
1. Non-thermal filaments in the cluster Abell 2255 (De Rubeis, E., et al., 2026, A&A, 707, A49)
2. Turbulent burning in electron capture supernovae (Holas, A., et al., 2026, A&A, 707, A84)
3. A section of the Galactic plane in LoTSS-DR3 (Shimwell, T. W., et al., 2026, A&A, 707, A198)
4. β Pic submicro-arcsecond astrometry with GRAVITY+ (GRAVITY+ Collaboration, 2026, A&A, 707, A115)
5. Interstellar nebula powered by microquasar SS 433 (Sunyaev, R.., et al., 2026, A&A, 707, A278)
See the table of contents
Volume 706 (February 2026)
1. Millimeter-selected clusters and dusty galaxies (Archipley, M., et al., 2026, A&A, 706, A17)
2. CO(2–1) velocity maps of the IRAS 04166 outflow (Tafalla, M., et al., 2026, A&A, 706, A248)
3. Bayesian imaging of LMC SN1987A components (Eberle, V., et al., 2026, A&A, 706, A229)
4. GLOSTAR–Effelsberg map of the Galaxy at 4.9 GHz (Gong, Y., et al., 2026, A&A, 706, A230)
5. Tracing the interplay between stars and gas in M33 (Feltre, A., et al., 2026, A&A, 706, A367)
6. CH and H₂O spectra constraining variations α (Muller, S., et al., 2026, A&A, 706, A365)
7. The tidal disruption of a rubble-pile Phobos (Agrusa, H. & Michel, P., 2026, A&A, 706, A353)
See the table of contents

7630	Press Release Open Access Solar twins in Gaia DR3 GSP-Spec - I. Building a large catalog of solar twins with ages Daisuke Taniguchi, Patrick de Laverny, Alejandra Recio-Blanco, Takuji Tsujimoto and Pedro A. Palicio A&A, 707 (2026) A260 Published online: 12 March 2026
6081	Planck 2018 results Free Access Planck 2018 results - VI. Cosmological parameters Planck Collaboration, N. Aghanim, Y. Akrami, M. Ashdown, J. Aumont, C. Baccigalupi, M. Ballardini, A. J. Banday, R. B. Barreiro, N. Bartolo et al. (172 more) A&A, 641 (2020) A6 Published online: 11 September 2020
6001	Free Access Photodissociation and photoionisation of atoms and molecules of astrophysical interest A. N. Heays, A. D. Bosman and E. F. van Dishoeck A&A, 602 (2017) A105 Published online: 23 June 2017
5693	Open Access FENRIR: A statistical model of stellar variability - I. A physics-based, fast Gaussian process model to represent stellar activity and perform statistical Doppler imaging Nathan C. Hara and Jean-Baptiste Delisle A&A, 696 (2025) A141 Published online: 17 April 2025
4148	Highlight Free Access Medium-resolution échelle spectroscopy of the Red Square Nebula, MWC 922 N. Wehres, B. B. Ochsendorf, A. G. G. M. Tielens, N. L. J. Cox, L. Kaper, J. Bally and T. P. Snow A&A, 601 (2017) A69 Published online: 03 May 2017

19456	Free Access The chemistry of C₂ and C₃ in the coma of Comet C/1995 O1 (Hale-Bopp) at heliocentric distances r_h ≥ 2.9 AU J. Helbert, H. Rauer, D. C. Boice and W. F. Huebner A&A, 442 3 (2005) 1107-1120 Published online: 14 October 2005
16095	Planck 2018 results Free Access Planck 2018 results - VI. Cosmological parameters Planck Collaboration, N. Aghanim, Y. Akrami, M. Ashdown, J. Aumont, C. Baccigalupi, M. Ballardini, A. J. Banday, R. B. Barreiro, N. Bartolo et al. (172 more) A&A, 641 (2020) A6 Published online: 11 September 2020
13090	Euclid on Sky Open Access Euclid - I. Overview of the Euclid mission Euclid Collaboration, Y. Mellier, Abdurro’uf, J. A. Acevedo Barroso, A. Achúcarro, J. Adamek, R. Adam, G. E. Addison, N. Aghanim, M. Aguena et al. (1130 more) A&A, 697 (2025) A1 Published online: 30 April 2025
10856	Free Access A long term spectroscopic and photometric study of the old nova HR Delphini M. Friedjung, M. Dennefeld and I. Voloshina A&A, 521 (2010) A84 Published online: 25 October 2010
9712	Open Access Identifying astrophysical anomalies in 99.6 million source cutouts from the Hubble legacy archive using AnomalyMatch David O’Ryan and Pablo Gómez A&A, 704 (2025) A227 Published online: 16 December 2025

Astronomy & Astrophysics

Latest highlightsAll

Latest volumeAll

SUBSCRIBE TO OPEN (S2O)

FEATURED IMAGE All

Latest special issuesAll

A modest change in magnetic braking at the fully convective boundary explains the evolution of cataclysmic variables

NIKA2 unveils and pinpoints the Planck compact sources

Detection of CO₂ ice in the planetary nebula NGC 6302

Galaxy cluster count cosmology with simulation-based inference

Deviations from the radial acceleration relation in the central galaxies of clusters, subclusters, and groups

New classification method for the dynamical state of galaxy clusters with a Gaussian mixture model

CLASH-VLT velocity anisotropy profiles in a stack of massive galaxy clusters

Uncovering the absorbed atomic Universe with the [OI]63 μm line

Planck 2018 results - VI. Cosmological parameters

Orbital motion detected in γ Cas Fe K emission lines

Solar twins in Gaia DR3 GSP-Spec - I. Building a large catalog of solar twins with ages

The chemistry of C₂ and C₃ in the coma of Comet C/1995 O1 (Hale-Bopp) at heliocentric distances r_h ≥ 2.9 AU

The nature of the TRAPPIST-1 exoplanets

Solar twins in Gaia DR3 GSP-Spec - I. Building a large catalog of solar twins with ages

Planck 2018 results - VI. Cosmological parameters

Photodissociation and photoionisation of atoms and molecules of astrophysical interest

FENRIR: A statistical model of stellar variability - I. A physics-based, fast Gaussian process model to represent stellar activity and perform statistical Doppler imaging

Medium-resolution échelle spectroscopy of the Red Square Nebula, MWC 922

The chemistry of C₂ and C₃ in the coma of Comet C/1995 O1 (Hale-Bopp) at heliocentric distances r_h ≥ 2.9 AU

Planck 2018 results - VI. Cosmological parameters

Euclid - I. Overview of the Euclid mission

A long term spectroscopic and photometric study of the old nova HR Delphini

Identifying astrophysical anomalies in 99.6 million source cutouts from the Hubble legacy archive using AnomalyMatch

Volume 708 (April 2026) (in progress)

Volume 707 (March 2026)

Volume 706 (February 2026)

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