Astronomy & Astrophysics (A&A)

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Ultracompact HII regions in Sagittarius B2 (Meng, F., et al., 2022, A&A, 666, A31)

Astronomy & Astrophysics is published under Subscribe-to-Open (S2O). In 2022, with the support of A&A subscribers, articles accepted from 4th April will be published open access under a CC-BY 4.0 license.
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Gaia Data Release 3 (in progress)
BeyondPlanck: end-to-end Bayesian analysis of Planck LFI (in progress)
The Early Data Release of eROSITA and Mikhail Pavlinsky ART-XC on the SRG mission (in progress)
Sub-arcsecond imaging with the International LOFAR Telescope (in progress)

Open Access

Missing metals in DQ stars: A simple explanation

Simon Blouin

A&A, 666 (2022) L7

Published online: 07 October 2022
Open Access

Hubble constant and nuclear equation of state from kilonova spectro-photometric light curves

M. A. Pérez-García, L. Izzo, D. Barba-González, M. Bulla, A. Sagués-Carracedo, E. Pérez, C. Albertus, S. Dhawan, F. Prada, A. Agnello et al. (10 more)

A&A, 666 (2022) A67

Published online: 07 October 2022
Open Access

The Lensed Lyman-Alpha MUSE Arcs Sample (LLAMAS) - I. Characterisation of extended Lyman-alpha halos and spatial offsets

A. Claeyssens, J. Richard, J. Blaizot, T. Garel, H. Kusakabe, R. Bacon, F. E. Bauer, L. Guaita, A. Jeanneau, D. Lagattuta et al. (10 more)

A&A, 666 (2022) A78

Published online: 07 October 2022
Open Access

The Sagittarius stream in Gaia Early Data Release 3 and the origin of the bifurcations

P. Ramos, T. Antoja, Z. Yuan, A. Arentsen, P.-A. Oria, B. Famaey, R. Ibata, C. Mateu and J. A. Carballo-Bello

A&A, 666 (2022) A64

Published online: 07 October 2022
Open Access

Binary open clusters in the Gaia data

Fangfang Song, Ali Esamdin, Qingshun Hu and Mengfan Zhang

A&A, 666 (2022) A75

Published online: 07 October 2022
Open Access

Metallicities and ages for star clusters and their surrounding fields in the Large Magellanic Cloud

W. Narloch, G. Pietrzyński, W. Gieren, A. E. Piatti, P. Karczmarek, M. Górski, D. Graczyk, R. Smolec, G. Hajdu, K. Suchomska et al. (8 more)

A&A, 666 (2022) A80

Published online: 07 October 2022
Open Access

SN 2019zrk, a bright SN 2009ip analog with a precursor

Claes Fransson, Jesper Sollerman, Nora L. Strotjohann, Sheng Yang, Steve Schulze, Cristina Barbarino, Erik C. Kool, Eran O. Ofek, Arien Crellin-Quick, Kishalay De et al. (5 more)

A&A, 666 (2022) A79

Published online: 07 October 2022
Open Access

A robust model for the origin of optical quasi-periodic variability in supersoft X-ray sources

Weitao Zhao, Xiangcun Meng, Yingzheng Cui and Zheng-Wei Liu

A&A, 666 (2022) A81

Published online: 07 October 2022

Most downloaded articles

2129	Press Release Highlight Open Access Orbital motion near Sagittarius A^* - Constraints from polarimetric ALMA observations M. Wielgus, M. Moscibrodzka, J. Vos, Z. Gelles, I. Martí-Vidal, J. Farah, N. Marchili, C. Goddi and H. Messias A&A, 665 (2022) L6 Published online: 22 September 2022
761	Press Release Open Access HD 23472: a multi-planetary system with three super-Earths and two potential super-Mercuries, S. C. C. Barros, O. D. S. Demangeon, Y. Alibert, A. Leleu, V. Adibekyan, C. Lovis, D. Bossini, S. G. Sousa, N. Hara, F. Bouchy et al. (31 more) A&A, 665 (2022) A154 Published online: 27 September 2022
354	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
271	Free Access Editorial The new A&A Letters: Short, unlimited, and free for all João Alves and Thierry Forveille A&A, 607 (2017) E1 Published online: 27 November 2017
224	Press Release Open Access Solar inertial modes: Observations, identification, and diagnostic promise Laurent Gizon, Robert H. Cameron, Yuto Bekki, Aaron C. Birch, Richard S. Bogart, Allan Sacha Brun, Cilia Damiani, Damien Fournier, Laura Hyest, Kiran Jain et al. (3 more) A&A, 652 (2021) L6 Published online: 06 August 2021

4450	Press Release Highlight Open Access Orbital motion near Sagittarius A^* - Constraints from polarimetric ALMA observations M. Wielgus, M. Moscibrodzka, J. Vos, Z. Gelles, I. Martí-Vidal, J. Farah, N. Marchili, C. Goddi and H. Messias A&A, 665 (2022) L6 Published online: 22 September 2022
1437	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
1215	Free Access Editorial The new A&A Letters: Short, unlimited, and free for all João Alves and Thierry Forveille A&A, 607 (2017) E1 Published online: 27 November 2017
997	Press Release Free Access Two temperate super-Earths transiting a nearby late-type M dwarf L. Delrez, C.A. Murray, F.J. Pozuelos, N. Narita, E. Ducrot, M. Timmermans, N. Watanabe, A.J. Burgasser, T. Hirano, B.V. Rackham, K.G. Stassun, V. Van Grootel, C. Aganze, M. Cointepas, S. Howell, L. Kaltenegger, P. Niraula, D. Sebastian, et al. A&A, Forthcoming article Received: 17 May 2022 / Accepted: 22 August 2022
884	Press Release Open Access Solar inertial modes: Observations, identification, and diagnostic promise Laurent Gizon, Robert H. Cameron, Yuto Bekki, Aaron C. Birch, Richard S. Bogart, Allan Sacha Brun, Cilia Damiani, Damien Fournier, Laura Hyest, Kiran Jain et al. (3 more) A&A, 652 (2021) L6 Published online: 06 August 2021

Volume 666 (October 2022) (in progress)
1. Cassiopeia A interacts with a circumstellar shell (Orlando, S., et al., 2022, A&A, 666, A2)
2. Ultracompact HII regions in Sagittarius B2 (Meng, F., et al., 2022, A&A, 666, A31)
See the table of contents
Volume 665 (September 2022)
1. Test particles trace mass flows in the chromosphere (Druett, M. K., et al., 2022, A&A, 665, A6)
2. NOEMA mosaics overlaid on Herschel Cygnus X data (Beuther, H., et al., 2022, A&A, 665, A63)
3. On-sky correction of static speckles with VLT/SPHERE (Potier, A., et al., 2022, A&A, 665, A136)
4. Magnification map around a microlens near a caustic (Diego, J. M., 2022, A&A, 665, A127)
See the table of contents
Volume 664 (August 2022)
1. Artist's view of the BINGO telescope site (Abdalla, E., et al., 2022, A&A, 664, A14)
2. LOFAR view of ionized gas structures in Cygnus X (Emig, K. L., et al., 2022, A&A, 664, A88)
3. The Herbig star HD 163296 observed by ALMA and VLA (Guidi, G., et al., 2022, A&A, 664, A137)
4. The Radcliffe Wave offset from the blue Orion arm (Swiggum, C., et al., 2022, A&A, 664, L13)
See the table of contents

Astronomy & Astrophysics

Latest highlightsAll

Latest volumeAll

SUBSCRIBE-TO-OPEN (S2O)

Latest highlightsAll

Latest volumeAll

Latest special issuesAll

Missing metals in DQ stars: A simple explanation

Hubble constant and nuclear equation of state from kilonova spectro-photometric light curves

The Lensed Lyman-Alpha MUSE Arcs Sample (LLAMAS) - I. Characterisation of extended Lyman-alpha halos and spatial offsets

The Sagittarius stream in Gaia Early Data Release 3 and the origin of the bifurcations

Binary open clusters in the Gaia data

Metallicities and ages for star clusters and their surrounding fields in the Large Magellanic Cloud

SN 2019zrk, a bright SN 2009ip analog with a precursor

A robust model for the origin of optical quasi-periodic variability in supersoft X-ray sources

Orbital motion near Sagittarius A^* - Constraints from polarimetric ALMA observations

HD 23472: a multi-planetary system with three super-Earths and two potential super-Mercuries,

Planck 2018 results - VI. Cosmological parameters

The new A&A Letters: Short, unlimited, and free for all

Solar inertial modes: Observations, identification, and diagnostic promise

Orbital motion near Sagittarius A^* - Constraints from polarimetric ALMA observations

Planck 2018 results - VI. Cosmological parameters

The new A&A Letters: Short, unlimited, and free for all

Two temperate super-Earths transiting a nearby late-type M dwarf

Solar inertial modes: Observations, identification, and diagnostic promise

Planck 2018 results - VI. Cosmological parameters

Orbital motion near Sagittarius A^* - Constraints from polarimetric ALMA observations

The new A&A Letters: Short, unlimited, and free for all

Solar inertial modes: Observations, identification, and diagnostic promise

A candidate short-period sub-Earth orbiting Proxima Centauri

Volume 666 (October 2022) (in progress)

Volume 665 (September 2022)

Volume 664 (August 2022)

News

4533	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
4450	Press Release Highlight Open Access Orbital motion near Sagittarius A^* - Constraints from polarimetric ALMA observations M. Wielgus, M. Moscibrodzka, J. Vos, Z. Gelles, I. Martí-Vidal, J. Farah, N. Marchili, C. Goddi and H. Messias A&A, 665 (2022) L6 Published online: 22 September 2022
3698	Free Access Editorial The new A&A Letters: Short, unlimited, and free for all João Alves and Thierry Forveille A&A, 607 (2017) E1 Published online: 27 November 2017
2697	Press Release Open Access Solar inertial modes: Observations, identification, and diagnostic promise Laurent Gizon, Robert H. Cameron, Yuto Bekki, Aaron C. Birch, Richard S. Bogart, Allan Sacha Brun, Cilia Damiani, Damien Fournier, Laura Hyest, Kiran Jain et al. (3 more) A&A, 652 (2021) L6 Published online: 06 August 2021
2121	Press Release Free Access A candidate short-period sub-Earth orbiting Proxima Centauri J. P. Faria, A. Suárez Mascareño, P. Figueira, A. M. Silva, M. Damasso, O. Demangeon, F. Pepe, N. C. Santos, R. Rebolo, S. Cristiani et al. (27 more) A&A, 658 (2022) A115 Published online: 10 February 2022