Astronomy & Astrophysics (A&A)

Volume 699 (July 2025)
(in progress)

FEATURED IMAGE All

Modeling SN 1987A’s evolution over five millennia (Orlando, S., et al., 2025, A&A, 699, A305)

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Latest special issuesAll

Euclid on Sky
ZTF SN Ia DR2 (in progress)
Solar Orbiter First Results (Nominal Mission Phase) (in progress)

Open Access

Microlensing at cosmological distances: Event rate predictions in the Warhol arc of MACS 0416

J. M. Palencia, J. M. Diego, L. Dai, M. Pascale, R. Windhorst, A. M. Koekemoer, Sung Kei Li, B. J. Kavanagh, Fengwu Sun, Amruth Alfred et al. (6 more)

A&A, 699 (2025) A295

Published online: 18 July 2025
Open Access

The galaxy-halo connection of disc galaxies over six orders of magnitude in stellar mass

Pavel E. Mancera Piña, Justin I. Read, Stacy Kim, Antonino Marasco, José A. Benavides, Marcin Glowacki, Gabriele Pezzulli and Claudia del P. Lagos

A&A, 699 (2025) A311

Published online: 18 July 2025
Open Access

Mapping reionization bubbles in JWST era - II. Inferring the position and characteristic size of individual bubbles

Ivan Nikolić, Andrei Mesinger, Charlotte A. Mason, Ting-Yi Lu, Mengtao Tang, David Prelogović, Samuel Gagnon-Hartman and Daniel P. Stark

A&A, 699 (2025) A323

Published online: 18 July 2025
Open Access

MICONIC: JWST/MIRI MRS reveals a fast ionized gas outflow in the central region of Centaurus A

A. Alonso Herrero, L. Hermosa Muñoz, A. Labiano, P. Guillard, M. García-Marín, D. Dicken, S. García-Burillo, L. Pantoni, V. Buiten, L. Colina et al. (13 more)

A&A, 699 (2025) A334

Published online: 18 July 2025
Open Access

The effect of measurement uncertainties on the inferred stability of planes of satellite galaxies

Prem Kumar, Marcel S. Pawlowski, Kosuke Jamie Kanehisa, Pengfei Li, Mariana P. Júlio and Salvatore Taibi

A&A, 699 (2025) A363

Published online: 18 July 2025
Open Access

The efficiency of mixed modes for angular momentum transport

B. Bordadágua, F. Ahlborn, Q. Coppée, J. P. Marques, K. Belkacem and S. Hekker

A&A, 699 (2025) A310

Published online: 18 July 2025
Open Access

Testing the asteroseismic estimates of stellar radii with surface brightness–colour relations and Gaia DR3 parallaxes - III. Main-sequence stars

G. Valle, M. Dell’Omodarme, P. G. Prada Moroni and S. Degl’Innocenti

A&A, 699 (2025) A325

Published online: 18 July 2025
Open Access

Is ozone a reliable proxy for molecular oxygen? - II. The impact of N₂O on the O₂-O₃ relationship for Earth-like atmospheres

Thea Kozakis, João M. Mendonça, Lars A. Buchhave and Luisa M. Lara

A&A, 699 (2025) A247

Published online: 18 July 2025

Most downloaded articles

7982	Press Release Open Access Origin of the ring ellipticity in the black hole images of M87^* Rohan Dahale, Ilje Cho, Kotaro Moriyama, Kaj Wiik, Paul Tiede, José L. Gómez, Chi-kwan Chan, Roman Gold, Vadim Y. Bernshteyn, Marianna Foschi et al. (266 more) A&A, 699 (2025) A279 Published online: 10 July 2025
1038	Open Access Formation of supermassive stars in the first stellar clusters: Dependence on the gas temperature P. A. Solar, B. Reinoso, D. R. G. Schleicher, R. S. Klessen and R. Banerjee A&A, 699 (2025) A64 Published online: 27 June 2025
882	Open Access The CARMENES search for exoplanets around M dwarfs - Occurrence rates of Earth-like planets around very low-mass stars A. Kaminski, S. Sabotta, J. Kemmer, P. Chaturvedi, R. Burn, J. C. Morales, J. A. Caballero, I. Ribas, A. Reiners, A. Quirrenbach et al. (17 more) A&A, 696 (2025) A101 Published online: 08 April 2025
808	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
637	Press Release Highlight Open Access Detection of pure warm-hot intergalactic medium emission from a 7.2 Mpc long filament in the Shapley supercluster using X-ray spectroscopy K. Migkas, F. Pacaud, T. Tuominen and N. Aghanim A&A, 698 (2025) A270 Published online: 19 June 2025

Volume 699 (July 2025) (in progress)
1. Double radio relics in CIZA 2242+53 galaxy cluster (Lusetti, G., et al., 2025, A&A, 699, A200)
2. JWST colour-composite image of MACS J0138-2155 (Acebron, A., et al., 2025, A&A, 699, A101)
3. LOFAR-VLBI map of the radio galaxy Original TRG (De Rubeis, E., et al., 2025, A&A, 699, A229)
4. Shock deformation features of Fa50 high-Fe olivine (Tai, K., et al., 2025, A&A, 699, A84)
5. Evolution of stars and dark matter in cosmological simulations (Pascale, R., et al., 2025, A&A, 699, A31)
6. The Crab Nebula at 145 MHz and subarcsecond resolution (Arias, M., et al., 2025, A&A, 699, A319)
7. Modeling SN 1987A’s evolution over five millennia (Orlando, S., et al., 2025, A&A, 699, A305)
See the table of contents
Volume 698 (May 2025)
1. Apparent sizes of giants and dwarfs for 4 wavelengths (Hauschildt, P. H., et al., 2025, A&A, 698, A47)
2. Thermal and magnetic properties of active region 13724 (Quintero Noda, C., et al., 2025, A&A, 698, A33)
3. Structured ISM in a cosmic-ray affected galaxy (Thomas, T., et al., 2025, A&A, 698, A104)
4. X-ray emitting filament connecting galaxy cluster (Migkas, K., et al., 2025, A&A, 698, A270)
See the table of contents
Volume 697 (May 2025)
1. A mosaic of ten fields from Euclid's Early Release Observations, covering objects from Galactic nebulae to clusters of galaxies
  (Credits: ESA/Euclid/Euclid Consortium/NASA, image processing by J.-C. Cuillandre (CEA Paris-Saclay), G. Anselmi)
  ("Euclid on Sky" Special issue, 2025, A&A, 697)
2. JWST view of a massive z=0.729 group with hot X-ray halo (Toni, G., et al., 2025, A&A, 697, A197)
See the table of contents

8358	Press Release Highlight Open Access Detection of pure warm-hot intergalactic medium emission from a 7.2 Mpc long filament in the Shapley supercluster using X-ray spectroscopy K. Migkas, F. Pacaud, T. Tuominen and N. Aghanim A&A, 698 (2025) A270 Published online: 19 June 2025
7982	Press Release Open Access Origin of the ring ellipticity in the black hole images of M87^* Rohan Dahale, Ilje Cho, Kotaro Moriyama, Kaj Wiik, Paul Tiede, José L. Gómez, Chi-kwan Chan, Roman Gold, Vadim Y. Bernshteyn, Marianna Foschi et al. (266 more) A&A, 699 (2025) A279 Published online: 10 July 2025
3399	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
3344	Press Release Open Access Deep learning inference with the Event Horizon Telescope - I. Calibration improvements and a comprehensive synthetic data library M. Janssen, C.-k. Chan, J. Davelaar, I. Natarajan, H. Olivares, B. Ripperda, J. Röder, M. Rynge and M. Wielgus A&A, 698 (2025) A60 Published online: 06 June 2025
2487	Press Release Open Access Deep learning inference with the Event Horizon Telescope - II. The ZINGULARITY framework for Bayesian artificial neural networks M. Janssen, C.-k. Chan, J. Davelaar and M. Wielgus A&A, 698 (2025) A61 Published online: 06 June 2025

11626	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
8358	Press Release Highlight Open Access Detection of pure warm-hot intergalactic medium emission from a 7.2 Mpc long filament in the Shapley supercluster using X-ray spectroscopy K. Migkas, F. Pacaud, T. Tuominen and N. Aghanim A&A, 698 (2025) A270 Published online: 19 June 2025
7982	Press Release Open Access Origin of the ring ellipticity in the black hole images of M87^* Rohan Dahale, Ilje Cho, Kotaro Moriyama, Kaj Wiik, Paul Tiede, José L. Gómez, Chi-kwan Chan, Roman Gold, Vadim Y. Bernshteyn, Marianna Foschi et al. (266 more) A&A, 699 (2025) A279 Published online: 10 July 2025
5811	Press Release Open Access Deep learning inference with the Event Horizon Telescope - I. Calibration improvements and a comprehensive synthetic data library M. Janssen, C.-k. Chan, J. Davelaar, I. Natarajan, H. Olivares, B. Ripperda, J. Röder, M. Rynge and M. Wielgus A&A, 698 (2025) A60 Published online: 06 June 2025
5655	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

Astronomy & Astrophysics

Latest highlightsAll

Latest volumeAll

SUBSCRIBE TO OPEN (S2O)

FEATURED IMAGE All

Latest special issuesAll

Microlensing at cosmological distances: Event rate predictions in the Warhol arc of MACS 0416

The galaxy-halo connection of disc galaxies over six orders of magnitude in stellar mass

Mapping reionization bubbles in JWST era - II. Inferring the position and characteristic size of individual bubbles

MICONIC: JWST/MIRI MRS reveals a fast ionized gas outflow in the central region of Centaurus A

The effect of measurement uncertainties on the inferred stability of planes of satellite galaxies

The efficiency of mixed modes for angular momentum transport

Testing the asteroseismic estimates of stellar radii with surface brightness–colour relations and Gaia DR3 parallaxes - III. Main-sequence stars

Is ozone a reliable proxy for molecular oxygen? - II. The impact of N₂O on the O₂-O₃ relationship for Earth-like atmospheres

Origin of the ring ellipticity in the black hole images of M87^*

Formation of supermassive stars in the first stellar clusters: Dependence on the gas temperature

The CARMENES search for exoplanets around M dwarfs - Occurrence rates of Earth-like planets around very low-mass stars

Planck 2018 results - VI. Cosmological parameters

Detection of pure warm-hot intergalactic medium emission from a 7.2 Mpc long filament in the Shapley supercluster using X-ray spectroscopy

Detection of pure warm-hot intergalactic medium emission from a 7.2 Mpc long filament in the Shapley supercluster using X-ray spectroscopy

Origin of the ring ellipticity in the black hole images of M87^*

Planck 2018 results - VI. Cosmological parameters

Deep learning inference with the Event Horizon Telescope - I. Calibration improvements and a comprehensive synthetic data library

Deep learning inference with the Event Horizon Telescope - II. The ZINGULARITY framework for Bayesian artificial neural networks

Planck 2018 results - VI. Cosmological parameters

Detection of pure warm-hot intergalactic medium emission from a 7.2 Mpc long filament in the Shapley supercluster using X-ray spectroscopy

Origin of the ring ellipticity in the black hole images of M87^*

Deep learning inference with the Event Horizon Telescope - I. Calibration improvements and a comprehensive synthetic data library

Euclid - I. Overview of the Euclid mission

Volume 699 (July 2025) (in progress)

Volume 698 (May 2025)

Volume 697 (May 2025)

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