Astronomy & Astrophysics (A&A)

Volume 699 (July 2025)
(in progress)

FEATURED IMAGE All

X-ray emitting filament connecting galaxy cluster (Migkas, K., et al., 2025, A&A, 698, A270)

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

Open Access

Solar energetic electron events with a spectral bump break

Wenyan Li, Linghua Wang, Wen Wang, Yang Su, Säm Krucker and Glenn M. Mason

A&A, 699 (2025) A2

Published online: 26 June 2025
Open Access

Tracing the origins of galaxy lopsidedness across cosmic time

Arianna Dolfi, Facundo A. Gómez, Antonela Monachesi, Patricia B. Tissera, Cristóbal Sifón and Gaspar Galaz

A&A, 699 (2025) A11

Published online: 26 June 2025
Open Access

Spatially resolved stellar populations and emission line properties in nearby galaxies with J-PLUS - I. Method and first results for the M101 group

J. Thainá-Batista, R. Cid Fernandes, R. M. González Delgado, J. E. Rodríguez-Martín, R. García-Benito, G. Martínez-Solaeche, L. A. Díaz-García, V. H. Sasse, A. Lumbreras-Calle, A. M. Conrado et al. (13 more)

A&A, 699 (2025) A45

Published online: 26 June 2025
Open Access

An accreting dwarf star orbiting the S-type giant star π¹ Gru

M. Montargès, J. Malfait, M. Esseldeurs, A. de Koter, F. Baron, P. Kervella, T. Danilovich, A. M. S. Richards, R. Sahai, I. McDonald et al. (13 more)

A&A, 699 (2025) A22

Published online: 26 June 2025
Open Access

Impact of convective overshooting on the single-degenerate model of Type Ia supernovae

Xinghuan Wang and Xiangcun Meng

A&A, 699 (2025) A35

Published online: 26 June 2025
Open Access

DUETS: Setting expectations for asteroseismic binaries and binary products with synthetic populations

A. Mazzi, J. S. Thomsen, A. Miglio, K. Brogaard, L. Girardi, D. Bossini, M. Matteuzzi and W. E. van Rossem

A&A, 699 (2025) A39

Published online: 26 June 2025
Open Access

Forecasting the solar cycle using variational data assimilation: Validation on cycles 22 to 25

L. Jouve, C. P. Hung, A. S. Brun, S. Hazra, A. Fournier, O. Talagrand, B. Perri and A. Strugarek

A&A, 699 (2025) A30

Published online: 26 June 2025
Open Access

Coronal dimmings from active region 13664 during the May 2024 solar energetic events

Amaia Razquin, Astrid M. Veronig, Karin Dissauer, Tatiana Podladchikova and Shantanu Jain

A&A, 699 (2025) A40

Published online: 26 June 2025

Most downloaded articles

2111	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
1971	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
1602	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
1446	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
1419	Press Release Open Access FAUST - XXIV. Large dust grains in the protostellar outflow cavity walls of the Class I binary L1551 IRS5 G. Sabatini, E. Bianchi, C. J. Chandler, L. Cacciapuoti, L. Podio, M. J. Maureira, C. Codella, C. Ceccarelli, N. Sakai, L. Testi et al. (12 more) A&A, 698 (2025) L16 Published online: 12 June 2025

Volume 699 (July 2025) (in progress)
See the table of contents
Volume 698 (June 2025) (in progress)
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

4568	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
4358	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
3075	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
2948	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
2508	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

11745	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
5308	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
4737	Gaia Data Release 1 Press Release Free Access The Gaia mission Gaia Collaboration, T. Prusti, J. H. J. de Bruijne, A. G. A. Brown, A. Vallenari, C. Babusiaux, C. A. L. Bailer-Jones, U. Bastian, M. Biermann, D. W. Evans et al. (616 more) A&A, 595 (2016) A1 Published online: 24 November 2016
4593	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
4568	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

Astronomy & Astrophysics

Latest highlightsAll

Latest volumeAll

SUBSCRIBE TO OPEN (S2O)

FEATURED IMAGE All

Latest special issuesAll

Solar energetic electron events with a spectral bump break

Tracing the origins of galaxy lopsidedness across cosmic time

Spatially resolved stellar populations and emission line properties in nearby galaxies with J-PLUS - I. Method and first results for the M101 group

An accreting dwarf star orbiting the S-type giant star π¹ Gru

Impact of convective overshooting on the single-degenerate model of Type Ia supernovae

DUETS: Setting expectations for asteroseismic binaries and binary products with synthetic populations

Forecasting the solar cycle using variational data assimilation: Validation on cycles 22 to 25

Coronal dimmings from active region 13664 during the May 2024 solar energetic events

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 - II. The ZINGULARITY framework for Bayesian artificial neural networks

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

FAUST - XXIV. Large dust grains in the protostellar outflow cavity walls of the Class I binary L1551 IRS5

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

Euclid - I. Overview of the Euclid mission

Planck 2018 results - VI. Cosmological parameters

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

The Gaia mission

Euclid - I. Overview of the Euclid mission

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

Volume 699 (July 2025) (in progress)

Volume 698 (June 2025) (in progress)

Volume 697 (May 2025)

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