Astronomy & Astrophysics (A&A)

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6 GHz radio continuum image of the Galactic plane (Brunthaler, A., et al., 2021, A&A, 651, A85)

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Astronomy & Astrophysics is a leading international Journal that publishes papers on all aspects of astronomy and astrophysics (theoretical, observational, and instrumental).

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Latest special issuesAll

Parker Solar Probe: Ushering a new frontier in space exploration (open issue)
Gaia Early Data Release 3 (open issue)
First science highlights from SRG/eROSITA (open issue)
Sub-arcsecond imaging with the International LOFAR Telescope (open issue)

Self-consistent population spectral synthesis with FADO - II. Star formation history of galaxies in spectral synthesis methods

Ciro Pappalardo, Leandro S. M. Cardoso, Jean Michel Gomes, Polychronis Papaderos, José Afonso, Iris Breda, Andrew Humphrey, Tom Scott, Stergios Amarantidis, Israel Matute et al. (5 more)

A&A, 651 (2021) A99

Published online: 27 July 2021
[C II] 158 μm line emission from Orion A I. A template for extragalactic studies?

C. H. M. Pabst, A. Hacar, J. R. Goicoechea, D. Teyssier, O. Berné, M. G. Wolfire, R. D. Higgins, E. T. Chambers, S. Kabanovic, R. Güsten et al. (3 more)

A&A, 651 (2021) A111

Published online: 27 July 2021
Impact of common envelope development criteria on the formation of LIGO/Virgo sources

A. Olejak, K. Belczynski and N. Ivanova

A&A, 651 (2021) A100

Published online: 27 July 2021
Dark matter capture and annihilation in stars: Impact on the red giant branch tip

José Lopes and Ilídio Lopes

A&A, 651 (2021) A101

Published online: 27 July 2021
Extended envelopes around Galactic Cepheids - V. Multi-wavelength and time-dependent analysis of IR excess

A. Gallenne, A. Mérand, P. Kervella, G. Pietrzyński, W. Gieren, V. Hocdé, L. Breuval, N. Nardetto and E. Lagadec

A&A, 651 (2021) A113

Published online: 27 July 2021
Open Access

Simultaneous photometric and CARMENES spectroscopic monitoring of fast-rotating M dwarf GJ 3270 - Discovery of a post-flare corotating feature

E. N. Johnson, S. Czesla, B. Fuhrmeister, P. Schöfer, Y. Shan, C. Cardona Guillén, A. Reiners, S. V. Jeffers, S. Lalitha, R. Luque et al. (26 more)

A&A, 651 (2021) A105

Published online: 27 July 2021
A lighter core for Phobos?

Xi Guo, Jianguo Yan, Tom Andert, Xuan Yang, Martin Pätzold, Matthias Hahn, Mao Ye, Shanhong Liu, Fei Li and Jean-Pierre Barriot

A&A, 651 (2021) A110

Published online: 27 July 2021
Free Access

Active galactic nuclei catalog from the AKARI NEP-Wide field

Artem Poliszczuk, Agnieszka Pollo, Katarzyna Małk, Anna Durkalec, William J. Pearson, Tomotsugu Goto, Seong Jin Kim, Matthew Malkan, Nagisa Oi, Simon C.-C. Ho et al. (5 more)

A&A, 651 (2021) A108

Published online: 27 July 2021

Most downloaded articles

230	Press Release Open Access A stringent upper limit of 20 pptv for methane on Mars and constraints on its dispersion outside Gale crater F. Montmessin, O. I. Korablev, A. Trokhimovskiy, F. Lefèvre, A. A. Fedorova, L. Baggio, A. Irbah, G. Lacombe, K. S. Olsen, A. S. Braude et al. (10 more) A&A, 650 (2021) A140 Published online: 20 July 2021
229	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
176	Gaia Data Release 2 Press Release Free Access Gaia Data Release 2 - Summary of the contents and survey properties Gaia Collaboration, A. G. A. Brown, A. Vallenari, T. Prusti, J. H. J. de Bruijne, C. Babusiaux, C. A. L. Bailer-Jones, M. Biermann, D. W. Evans, L. Eyer et al. (444 more) A&A, 616 (2018) A1 Published online: 10 August 2018
171	Press Release Open Access Day-night differences in Mars methane suggest nighttime containment at Gale crater Christopher R. Webster, Paul R. Mahaffy, Jorge Pla-Garcia, Scot C. R. Rafkin, John E. Moores, Sushil K. Atreya, Gregory J. Flesch, Charles A. Malespin, Samuel M. Teinturier, Hemani Kalucha et al. (3 more) A&A, 650 (2021) A166 Published online: 29 June 2021
149	Gaia Early Data Release 3 Press Release Free Access Gaia Early Data Release 3 - Summary of the contents and survey properties Gaia Collaboration, A. G. A. Brown, A. Vallenari, T. Prusti, J. H. J. de Bruijne, C. Babusiaux, M. Biermann, O. L. Creevey, D. W. Evans, L. Eyer et al. (416 more) A&A, 649 (2021) A1 Published online: 28 April 2021

Volume 651 (July 2021)(open volume)
1. Counter Evershed flows in sunspot penumbrae (Castellanos Durán, J. S., et al., 2021, A&A, 651, L1)
2. Colour composite (gri) VST image of the compact group HCG 86 (Ragusa, R., et al., 2021, A&A, 651, A39)
3. 6 GHz radio continuum image of the Galactic plane (Brunthaler, A., et al., 2021, A&A, 651, A85)
See the table of contents
Volume 650 (June 2021)
1. Artist's impression of NASA’s PSP (JHUAPL/Ben Smith)
  (“Parker Solar Probe: Ushering a new frontier in space exploration” Special issue, 2021, A&A, 650)
2. Fossil magnetism inside stars along the evolution (Bugnet, L., et al., 2021, A&A, 650, A53)
3. The Lyman-α emission of the intergalactic medium (Witstok, J., et al., 2021, A&A, 650, A98)
4. Giant plasmoid accretion in a GRPIC simulation (Crinquand, B., et al., 2021, A&A, 650, A163)
See the table of contents
Volume 649 (May 2021)
1. Trails showing the displacement of stars on the sky 400 thousand years into the future,
  based on Gaia Early Data Release 3 (Credit: ESA/Gaia/DPAC)
  ("Gaia Early Data Release 3" Special Issue, 2021, A&A, 649)
2. Complexity of filamentary structures in Musca (Yahia, H., et al., 2021, A&A, 649, A33)
3. Non-thermal phenomena in the center of Abell 1775 (Botteon, A., et al., 2021, A&A, 649, A37)
4. Observations vs. models of the disk around CIDA 1 (Pinilla, P., et al., 2021, A&A, 649, A122)
See the table of contents

3584	Press Release Open Access Day-night differences in Mars methane suggest nighttime containment at Gale crater Christopher R. Webster, Paul R. Mahaffy, Jorge Pla-Garcia, Scot C. R. Rafkin, John E. Moores, Sushil K. Atreya, Gregory J. Flesch, Charles A. Malespin, Samuel M. Teinturier, Hemani Kalucha et al. (3 more) A&A, 650 (2021) A166 Published online: 29 June 2021
1123	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
1098	Press Release Open Access The weak lensing radial acceleration relation: Constraining modified gravity and cold dark matter theories with KiDS-1000 Margot M. Brouwer, Kyle A. Oman, Edwin A. Valentijn, Maciej Bilicki, Catherine Heymans, Henk Hoekstra, Nicola R. Napolitano, Nivya Roy, Crescenzo Tortora, Angus H. Wright et al. (15 more) A&A, 650 (2021) A113 Published online: 22 June 2021
652	Gaia Early Data Release 3 Press Release Free Access Gaia Early Data Release 3 - Summary of the contents and survey properties Gaia Collaboration, A. G. A. Brown, A. Vallenari, T. Prusti, J. H. J. de Bruijne, C. Babusiaux, M. Biermann, O. L. Creevey, D. W. Evans, L. Eyer et al. (416 more) A&A, 649 (2021) A1 Published online: 28 April 2021
633	Gaia Data Release 2 Press Release Free Access Gaia Data Release 2 - Summary of the contents and survey properties Gaia Collaboration, A. G. A. Brown, A. Vallenari, T. Prusti, J. H. J. de Bruijne, C. Babusiaux, C. A. L. Bailer-Jones, M. Biermann, D. W. Evans, L. Eyer et al. (444 more) A&A, 616 (2018) A1 Published online: 10 August 2018

3883	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
3584	Press Release Open Access Day-night differences in Mars methane suggest nighttime containment at Gale crater Christopher R. Webster, Paul R. Mahaffy, Jorge Pla-Garcia, Scot C. R. Rafkin, John E. Moores, Sushil K. Atreya, Gregory J. Flesch, Charles A. Malespin, Samuel M. Teinturier, Hemani Kalucha et al. (3 more) A&A, 650 (2021) A166 Published online: 29 June 2021
2172	Gaia Data Release 2 Press Release Free Access Gaia Data Release 2 - Summary of the contents and survey properties Gaia Collaboration, A. G. A. Brown, A. Vallenari, T. Prusti, J. H. J. de Bruijne, C. Babusiaux, C. A. L. Bailer-Jones, M. Biermann, D. W. Evans, L. Eyer et al. (444 more) A&A, 616 (2018) A1 Published online: 10 August 2018
2093	Gaia Early Data Release 3 Press Release Free Access Gaia Early Data Release 3 - Summary of the contents and survey properties Gaia Collaboration, A. G. A. Brown, A. Vallenari, T. Prusti, J. H. J. de Bruijne, C. Babusiaux, M. Biermann, O. L. Creevey, D. W. Evans, L. Eyer et al. (416 more) A&A, 649 (2021) A1 Published online: 28 April 2021
1928	Planck 2015 results Free Access Planck 2015 results - XIII. Cosmological parameters Planck Collaboration, P. A. R. Ade, N. Aghanim, M. Arnaud, M. Ashdown, J. Aumont, C. Baccigalupi, A. J. Banday, R. B. Barreiro, J. G. Bartlett et al. (252 more) A&A, 594 (2016) A13 Published online: 20 September 2016

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Latest volumeAll

PUBLISH WITH A&A

Latest highlightsAll

Latest volumeAll

PUBLISH WITH A&A

Latest special issuesAll

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Volume 651 (July 2021)(open volume)

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