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

Common envelopes in massive stars - III. The obstructive role of radiation transport in envelope ejection

Mike Y. M. Lau, Ryosuke Hirai, Daniel J. Price, Ilya Mandel and Matthew R. Bate

A&A, 699 (2025) A274

Published online: 17 July 2025
Open Access

Studying the diffusion mechanism of cosmic-ray particles

Ya-Wen Xiao, Jian-Fu Zhang and Siyao Xu

A&A, 699 (2025) A317

Published online: 17 July 2025
Press Release
Open Access

Strongly polarised radio pulses from a new white-dwarf-hosting long-period transient

S. Bloot, H. K. Vedantham, C. G. Bassa, J. R. Callingham, W. M. J. Best, M. C. Liu, E. A. Magnier, T. W. Shimwell and T. J. Dupuy

A&A, 699 (2025) A341

Published online: 17 July 2025
Open Access

Flashlights: Prospects for constraining the initial mass function around cosmic noon with caustic-crossing events

Ashish Kumar Meena, Sung Kei Li, Adi Zitrin, Patrick L. Kelly, Tom Broadhurst, Wenlei Chen, Jose M. Diego, Alexei V. Filippenko, Lukas J. Furtak and Liliya L. R. Williams

A&A, 699 (2025) A299

Published online: 17 July 2025
Open Access

Galaxy formation with wave/fuzzy dark matter: The core-halo structure and the solitonic imprint

A. Pozo, R. Emami, P. Mocz, T. Broadhurst, L. Hernquist, M. Vogelsberger, R. Smith, G. Tremblay, R. Narayan, J. Steiner et al. (2 more)

A&A, 699 (2025) A308

Published online: 17 July 2025
Open Access

The ALMA-CRISTAL survey: Extended [CII] emission in an interacting galaxy system at z ∼ 5.5

A. Posses, M. Aravena, J. González-López, N. M. Förster Schreiber, D. Liu, L. Lee, M. Solimano, T. Díaz-Santos, R. J. Assef, L. Barcos-Muñoz et al. (24 more)

A&A, 699 (2025) A256

Published online: 17 July 2025
Open Access

First polarization study of the M87 jet and active galactic nuclei at submillimeter wavelengths with ALMA

Ciriaco Goddi, Douglas F. Carlos, Geoffrey B. Crew, Lynn D. Matthews, Hugo Messias, Alejandro Mus, Iván Martí-Vidal, Ezequiel Albentosa-Ruíz, Mariafelicia De Laurentis, Elisabetta Liuzzo et al. (262 more)

A&A, 699 (2025) A265

Published online: 17 July 2025
Open Access

Observational diversity of bright long-lived Type II supernovae

T. Nagao, T. M. Reynolds, H. Kuncarayakti, R. Cartier, S. Mattila, K. Maeda, J. Sollerman, P. J. Pessi, J. P. Anderson, C. Inserra et al. (15 more)

A&A, 699 (2025) A283

Published online: 17 July 2025

Most downloaded articles

7313	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
934	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
919	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
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
695	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

8272	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
7313	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
3512	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
3474	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
2598	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

11606	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
8272	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
7313	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
5791	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
5626	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

Common envelopes in massive stars - III. The obstructive role of radiation transport in envelope ejection

Studying the diffusion mechanism of cosmic-ray particles

Strongly polarised radio pulses from a new white-dwarf-hosting long-period transient

Flashlights: Prospects for constraining the initial mass function around cosmic noon with caustic-crossing events

Galaxy formation with wave/fuzzy dark matter: The core-halo structure and the solitonic imprint

The ALMA-CRISTAL survey: Extended [CII] emission in an interacting galaxy system at z ∼ 5.5

First polarization study of the M87 jet and active galactic nuclei at submillimeter wavelengths with ALMA

Observational diversity of bright long-lived Type II supernovae

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

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

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

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^*

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

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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