Astronomy & Astrophysics (A&A)

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GSAOI+GeMS High-resolution image of two perpendicular jets (Ferrero, L. V., et al., 2022, A&A, 657, A110)

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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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Solar Orbiter First Results (Cruise Phase) (open issue)
The Early Data Release of eROSITA and Mikhail Pavlinsky ART-XC on the SRG mission (open issue)
Sub-arcsecond imaging with the International LOFAR Telescope (open issue)
Parker Solar Probe: Ushering a new frontier in space exploration (open issue)

Free Access

Image segmentation for analyzing galaxy-galaxy strong lensing systems

Bryan Ostdiek, Ana Diaz Rivero and Cora Dvorkin

A&A, 657 (2022) L14

Published online: 21 January 2022
Free Access

Molecular gas properties of Q1700-MD94: A massive main-sequence galaxy at z ≈ 2

K. Henríquez-Brocal, R. Herrera-Camus, L. Tacconi, R. Genzel, A. Bolatto, S. Bovino, R. Demarco, N. Förster Schreiber, M. Lee, D. Lutz and M. Rubio

A&A, 657 (2022) L15

Published online: 21 January 2022
The Great Slump: Mrk 926 reveals discrete and varying Balmer line satellite components during a drastic phase of decline

Wolfram Kollatschny, Martin W. Ochmann, Shai Kaspi, Claas Schumacher, Ehud Behar, Doron Chelouche, Keith Horne, Björn Müller, Stephen E. Rafter, Rolf Chini et al. (2 more)

A&A, 657 (2022) A122

Published online: 21 January 2022
Precise distances from OGLE-IV member RR Lyrae stars in six bulge globular clusters

R. A. P. Oliveira, S. Ortolani, B. Barbuy, L. O. Kerber, F. F. S. Maia, E. Bica, S. Cassisi, S. O. Souza and A. Pérez-Villegas

A&A, 657 (2022) A123

Published online: 21 January 2022
Youth analysis of near-infrared spectra of young low-mass stars and brown dwarfs

V. Almendros-Abad, K. Mužić, A. Moitinho, A. Krone-Martins and K. Kubiak

A&A, 657 (2022) A129

Published online: 21 January 2022
Open Access

Edging towards an understanding of CH/CH₂ on nano-diamonds - Regular and semi-regular polyhedra and diamond network models

A. P. Jones

A&A, 657 (2022) A127

Published online: 21 January 2022
Open Access

A derivation of nano-diamond optical constants - Here be nano-diamonds

A. P. Jones and N. Ysard

A&A, 657 (2022) A128

Published online: 21 January 2022
Open Access

SOLIS - XIII. Nitrogen fractionation towards the protocluster OMC-2 FIR4,

L. Evans, F. Fontani, C. Vastel, C. Ceccarelli, P. Caselli, A. López-Sepulcre, R. Neri, F. Alves, L. Chahine, C. Favre and V. Lattanzi

A&A, 657 (2022) A136

Published online: 21 January 2022

Most downloaded articles

3878	Press Release Free Access Detection of the tidal deformation of WASP-103b at 3 σ with CHEOPS S. C. C. Barros, B. Akinsanmi, G. Boué, A. M. S. Smith, J. Laskar, S. Ulmer-Moll, J. Lillo-Box, D. Queloz, A. Collier Cameron, S. G. Sousa et al. (73 more) A&A, 657 (2022) A52 Published online: 11 January 2022
765	Press Release Open Access The “Maggie” filament: Physical properties of a giant atomic cloud J. Syed, J. D. Soler, H. Beuther, Y. Wang, S. Suri, J. D. Henshaw, M. Riener, S. Bialy, S. Rezaei Kh., J. M. Stil et al. (12 more) A&A, 657 (2022) A1 Published online: 20 December 2021
468	Press Release Free Access TOI-2257 b: A highly eccentric long-period sub-Neptune transiting a nearby M dwarf N. Schanche, F. J. Pozuelos, M. N. Günther, R. D. Wells, A. J. Burgasser, P. Chinchilla, L. Delrez, E. Ducrot, L. J. Garcia, Y. Gómez Maqueo Chew et al. (57 more) A&A, 657 (2022) A45 Published online: 07 January 2022
297	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
170	Rosetta mission full comet phase results Open Access H/C elemental ratio of the refractory organic matter in cometary particles of 67P/Churyumov-Gerasimenko R. Isnard, A. Bardyn, N. Fray, C. Briois, H. Cottin, J. Paquette, O. Stenzel, C. Alexander, D. Baklouti, C. Engrand et al. (4 more) A&A, 630 (2019) A27 Published online: 20 September 2019

Volume 657 (January 2022)(open volume)
1. Angled magnetic fields in the high redshift cluster MACS J0717.5+3745 (Rajpurohit, K., et al., 2022, A&A, 657, A2)
2. Narrow magnetic filaments in the cluster medium (Knowles, K., et al., 2022, A&A, 657, A56)
3. The sharpest view ever of the stars in the Galactic center (GRAVITY Collaboration, 2022, A&A, 657, L12)
4. GSAOI+GeMS High-resolution image of two perpendicular jets (Ferrero, L. V., et al., 2022, A&A, 657, A110)
See the table of contents
Volume 656 (December 2021)
1. Solar Orbiter facing the Sun (ESA/ATG medialab; Sun: NASA/SDO/P. Testa - CfA) (“Solar Orbiter First Results (Cruise Phase)” Special issue, 2021, A&A, 656)
2. Cometary dust simulant synthesized in the laboratory (Kim, T. H., et al., 2021, A&A, 656, A42)
3. Reconnection-driven filaments in the Crab Nebula (Cerutti, B. & Giacinti, G., 2021, A&A, 656, A91)
4. Synthetic total intensity of a numerical coronal arcade (Fyfe, L. E., et al., 2021, A&A, 656, A120)
See the table of contents
Volume 655 (November 2021)
1. The AAVS1 array at the Murchison Radio Observatory (Benthem, P., et al., 2021, A&A, 655, A5)
2. Faint galaxies and black hole jets at 54 MHz (williams, W. L., et al., A&A, 2021, 655, A40)
3. Gas drag of porous aggregates in planet formation (Schneider, N., & Wurm, G., 2021, A&A, 655, A50)
4. Giant gravitational arcs in galaxy cluster PSZ1-G311 (Pignataro, G. V., et al., 2021, A&A, 655, A81)
See the table of contents

10569	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
5229	Press Release Free Access The Rossiter–McLaughlin effect revolutions: an ultra-short period planet and a warm mini-Neptune on perpendicular orbits V. Bourrier, C. Lovis, M. Cretignier, R. Allart, X. Dumusque, J.-B. Delisle, A. Deline, S. G. Sousa, V. Adibekyan, Y. Alibert et al. (27 more) A&A, 654 (2021) A152 Published online: 27 October 2021
3878	Press Release Free Access Detection of the tidal deformation of WASP-103b at 3 σ with CHEOPS S. C. C. Barros, B. Akinsanmi, G. Boué, A. M. S. Smith, J. Laskar, S. Ulmer-Moll, J. Lillo-Box, D. Queloz, A. Collier Cameron, S. G. Sousa et al. (73 more) A&A, 657 (2022) A52 Published online: 11 January 2022
2579	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
2168	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

Astronomy & Astrophysics

Latest highlightsAll

Latest volumeAll

PUBLISH WITH A&A

Latest highlightsAll

Latest volumeAll

PUBLISH WITH A&A

Latest special issuesAll

Image segmentation for analyzing galaxy-galaxy strong lensing systems

Molecular gas properties of Q1700-MD94: A massive main-sequence galaxy at z ≈ 2

The Great Slump: Mrk 926 reveals discrete and varying Balmer line satellite components during a drastic phase of decline

Precise distances from OGLE-IV member RR Lyrae stars in six bulge globular clusters

Youth analysis of near-infrared spectra of young low-mass stars and brown dwarfs

Edging towards an understanding of CH/CH₂ on nano-diamonds - Regular and semi-regular polyhedra and diamond network models

A derivation of nano-diamond optical constants - Here be nano-diamonds

SOLIS - XIII. Nitrogen fractionation towards the protocluster OMC-2 FIR4,

Detection of the tidal deformation of WASP-103b at 3 σ with CHEOPS

The “Maggie” filament: Physical properties of a giant atomic cloud

TOI-2257 b: A highly eccentric long-period sub-Neptune transiting a nearby M dwarf

Planck 2018 results - VI. Cosmological parameters

H/C elemental ratio of the refractory organic matter in cometary particles of 67P/Churyumov-Gerasimenko

Detection of the tidal deformation of WASP-103b at 3 σ with CHEOPS

Planck 2018 results - VI. Cosmological parameters

The “Maggie” filament: Physical properties of a giant atomic cloud

The LOFAR LBA Sky Survey - I. Survey description and preliminary data release

TOI-2257 b: A highly eccentric long-period sub-Neptune transiting a nearby M dwarf

Planck 2018 results - VI. Cosmological parameters

The Rossiter–McLaughlin effect revolutions: an ultra-short period planet and a warm mini-Neptune on perpendicular orbits

Detection of the tidal deformation of WASP-103b at 3 σ with CHEOPS

Solar inertial modes: Observations, identification, and diagnostic promise

Gaia Data Release 2 - Summary of the contents and survey properties

Volume 657 (January 2022)(open volume)

Volume 656 (December 2021)

Volume 655 (November 2021)

News

3878	Press Release Free Access Detection of the tidal deformation of WASP-103b at 3 σ with CHEOPS S. C. C. Barros, B. Akinsanmi, G. Boué, A. M. S. Smith, J. Laskar, S. Ulmer-Moll, J. Lillo-Box, D. Queloz, A. Collier Cameron, S. G. Sousa et al. (73 more) A&A, 657 (2022) A52 Published online: 11 January 2022
2177	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
1952	Press Release Open Access The “Maggie” filament: Physical properties of a giant atomic cloud J. Syed, J. D. Soler, H. Beuther, Y. Wang, S. Suri, J. D. Henshaw, M. Riener, S. Bialy, S. Rezaei Kh., J. M. Stil et al. (12 more) A&A, 657 (2022) A1 Published online: 20 December 2021
1912	Highlight Free Access The LOFAR LBA Sky Survey - I. Survey description and preliminary data release F. de Gasperin, W. L. Williams, P. Best, M. Brüggen, G. Brunetti, V. Cuciti, T. J. Dijkema, M. J. Hardcastle, M. J. Norden, A. Offringa et al. (31 more) A&A, 648 (2021) A104 Published online: 22 April 2021
1073	Press Release Free Access TOI-2257 b: A highly eccentric long-period sub-Neptune transiting a nearby M dwarf N. Schanche, F. J. Pozuelos, M. N. Günther, R. D. Wells, A. J. Burgasser, P. Chinchilla, L. Delrez, E. Ducrot, L. J. Garcia, Y. Gómez Maqueo Chew et al. (57 more) A&A, 657 (2022) A45 Published online: 07 January 2022