Astronomy & Astrophysics (A&A)

Volume 699 (July 2025)
(in progress)

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JWST colour-composite image of MACS J0138-2155 (Acebron, A., et al., 2025, A&A, 699, A101)

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

Open Access

Swift/XRT monitoring of the orbital and superorbital modulations in 4U 1909+07

P. Romano, H. I. Cohen, E. Bozzo, N. Islam, A. Lange, R. H. D. Corbet, J. B. Coley and K. Pottschmidt

A&A, 699 (2025) A119

Published online: 02 July 2025
Open Access

CHEX-MATE: Exploring the kinematical properties of Planck galaxy clusters

Lorenzo Pizzuti, Rafael Barrena, Mauro Sereno, Alina Streblyanska, Antonio Ferragamo, Sophie Maurogordato, Alberto Cappi, Stefano Ettori, Gabriel W. Pratt, Gianluca Castignani et al. (12 more)

A&A, 699 (2025) A88

Published online: 02 July 2025
Open Access

Estimating infall times of galaxies around clusters: Working to achieve accurate results based on observational data

Haoran Dou and Heng Yu

A&A, 699 (2025) A95

Published online: 02 July 2025
Open Access

Enhanced strong-lensing model of MACS J0138.0–2155 based on new JWST and VLT/MUSE observations

A. Acebron, P. Bergamini, P. Rosati, P. Tozzi, M. Meneghetti, G. B. Caminha, S. Ertl, G. Granata, A. M. Koekemoer, C. Grillo et al. (3 more)

A&A, 699 (2025) A101

Published online: 02 July 2025
Open Access

Multi-object spectroscopic survey of the massive galaxy cluster SMACS J0723.3-7327

B. M. Amrutha, C. P. Haines, R. Demarco, M. Nonino, A. Finoguenov and U. Rescigno

A&A, 699 (2025) A105

Published online: 02 July 2025
Open Access

Beyond Morphology: Challenges in Decomposing Massive Stellar Halos in Sombrero-like, Halo-Embedded Disk Galaxies

Wu-Tao He, Min Du, Zhao-Yu Li and Yuan Li

A&A, 699 (2025) A99

Published online: 02 July 2025
Open Access

Constraints on the state of the intergalactic medium at z∼8 − 10 using redshifted 21 cm observations with LOFAR

R. Ghara, S. Zaroubi, B. Ciardi, G. Mellema, S. K. Giri, F. G. Mertens, M. Mevius, L. V. E. Koopmans, I. T. Iliev, A. Acharya et al. (14 more)

A&A, 699 (2025) A109

Published online: 02 July 2025
Open Access

Binary neutron star merger offsets from their host galaxies - II. Short-duration gamma-ray bursts

N. Gaspari, A. J. Levan, A. A. Chrimes and A. E. Nugent

A&A, 699 (2025) A113

Published online: 02 July 2025

Most downloaded articles

6121	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
1497	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
1255	Press Release Open Access Deep learning inference with the Event Horizon Telescope - III. ZINGULARITY results from the 2017 observations and predictions for future array expansions M. Janssen, C.-k. Chan, J. Davelaar and M. Wielgus A&A, 698 (2025) A62 Published online: 06 June 2025
1036	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
914	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

Volume 699 (July 2025) (in progress)
1. JWST colour-composite image of MACS J0138-2155 (Acebron, A., et al., 2025, A&A, 699, A101)
See the table of contents
Volume 698 (June 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

11685	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
6121	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
5326	Gaia Data Release 3 Press Release Open Access Gaia Data Release 3 - Summary of the content and survey properties Gaia Collaboration, A. Vallenari, A. G. A. Brown, T. Prusti, J. H. J. de Bruijne, F. Arenou, C. Babusiaux, M. Biermann, O. L. Creevey, C. Ducourant et al. (446 more) A&A, 674 (2023) A1 Published online: 16 June 2023
5177	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
4909	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

Swift/XRT monitoring of the orbital and superorbital modulations in 4U 1909+07

CHEX-MATE: Exploring the kinematical properties of Planck galaxy clusters

Estimating infall times of galaxies around clusters: Working to achieve accurate results based on observational data

Enhanced strong-lensing model of MACS J0138.0–2155 based on new JWST and VLT/MUSE observations

Multi-object spectroscopic survey of the massive galaxy cluster SMACS J0723.3-7327

Beyond Morphology: Challenges in Decomposing Massive Stellar Halos in Sombrero-like, Halo-Embedded Disk Galaxies

Constraints on the state of the intergalactic medium at z∼8 − 10 using redshifted 21 cm observations with LOFAR

Binary neutron star merger offsets from their host galaxies - II. Short-duration gamma-ray bursts

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

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 - III. ZINGULARITY results from the 2017 observations and predictions for future array expansions

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

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

Planck 2018 results - VI. Cosmological parameters

Deep learning inference with the Event Horizon Telescope - III. ZINGULARITY results from the 2017 observations and predictions for future array expansions

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

Gaia Data Release 3 - Summary of the content and survey properties

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 (June 2025)

Volume 697 (May 2025)

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