Astronomy & Astrophysics (A&A)

FEATURED IMAGE All

A Greatly Confused Loop atop the Galactic Center (Kreckel, K., et al., 2026, A&A, 710, A205)

Astronomy & Astrophysics is published under Subscribe to Open (S2O). S2O is a subscription open access model that relies on library contributions to make content open access for the benefit of the research community. The open access status of the journal is reviewed every year. A&A remains Open Access in 2026 under the Subscribe to Open (S2O) model.
More information is available here. To discuss or join the program, please contact us.

S2O FAQs

Latest special issuesAll

Euclid Quick Data Release (Q1) (in progress)
Solar Orbiter First Results (Nominal Mission Phase)
ZTF SN Ia DR2

Open Access

Towards inertial-mode helioseismology: Direct sensing of solar rotation at 75° latitude and 0.8 R_⊙

Prithwitosh Dey, Laurent Gizon and Yuto Bekki

A&A, 710 (2026) L16

Published online: 12 June 2026
Open Access

Full-spectrum infrared fingerprinting: A transformative AI paradigm for interstellar polycyclic aromatic hydrocarbons

Zhao Wang

A&A, 710 (2026) L17

Published online: 12 June 2026
Open Access

Seismic signature of a magnetic field in the γ Doradus star KIC 2309579

S. Ihallaine, J. Ballot, F. Lignières, L. Ferrié, S. Charpinet, M. Galoy and G. Li

A&A, 710 (2026) L18

Published online: 12 June 2026
Open Access

Understanding hydrodynamical wave-driven shear mixing in stellar radiation zones - Looking in the mirror of the dyapicnal oceanic mixing

S. Mathis

A&A, 710 (2026) L19

Published online: 12 June 2026
Press Release
Open Access

The VMC survey - LV. The coherent expansion of the SMC

S. Vijayasree, F. Niederhofer, M.-R. L. Cioni, J. Th. van Loon, K. Bekki, R. de Grijs, S. Subramanian, N. Kacharov, A. O. Omkumar, L. R. Cullinane and V. D. Ivanov

A&A, 710 (2026) L20

Published online: 12 June 2026
Open Access

Gas dynamics around dust asymmetries in turbulent disks

Lizxandra Flores-Rivera, Natascha Manger, Michiel Lambrechts, Mario Flock, Sebastian Lorek, Anders Johansen and Hubert Klahr

A&A, 710 (2026) A124

Published online: 12 June 2026
Open Access

Probing millisecond magnetar formation in binary neutron star mergers through X-ray follow-up of gravitational wave alerts

C. Plasse, A. Reboul-Salze, J. Guilet, D. Götz, N. Leroy, R. Raynaud, M. Bugli and T. Dal Canton

A&A, 710 (2026) A152

Published online: 12 June 2026
Open Access

Fuzzy dark matter dynamical friction - Stalling of globular clusters induced by dynamical heating

Adrian Szpilfidel, Pierre Boldrini, Jo Bovy and Paola Di Matteo

A&A, 710 (2026) A189

Published online: 12 June 2026

Most downloaded articles

2358	Press Release Highlight Free Access The nature of the TRAPPIST-1 exoplanets Simon L. Grimm, Brice-Olivier Demory, Michaël Gillon, Caroline Dorn, Eric Agol, Artem Burdanov, Laetitia Delrez, Marko Sestovic, Amaury H. M. J. Triaud, Martin Turbet et al. (16 more) A&A, 613 (2018) A68 Published online: 04 June 2018
1823	Open Access FAUST - XXX. Dust enhancement in the young binary L1551 IRS 5 N. Cuello, E. Bianchi, F. Ménard, L. Loinard, R. Hernández Garnica, A. Durán, C. Ceccarelli, M. J. Maureira, C. J. Chandler, C. Codella et al. (10 more) A&A, 705 (2026) L16 Published online: 14 January 2026
1489	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
1448	Free Access Star formation near an obscured AGN - Variations in the initial mass function S. Hocuk and M. Spaans A&A, 536 (2011) A41 Published online: 05 December 2011
1411	Open Access Assessing interstellar comet 3I/ATLAS with the 10.4 m Gran Telescopio Canarias and the Two-meter Twin Telescope R. de la Fuente Marcos, M. R. Alarcon, J. Licandro, M. Serra-Ricart, J. de León, C. de la Fuente Marcos, G. Lombardi, A. Tejero, A. Cabrera-Lavers, S. Guerra Arencibia and I. Ruiz Cejudo A&A, 700 (2025) L9 Published online: 05 August 2025

Volume 711 (in progress)
See the table of contents
Volume 710 (June 2026) (in progress)
1. 3D simulation of an F-type star with two convective zones (Breton, S. N., et al., 2026, A&A, 710, A10)
2. Post-interaction Wolf-Rayet in the making (Larkin, C. J. K., et al., 2026, A&A, 710, L9)
3. Ring-shaped protoplanetary disks in NIR polarized intensity with VLT/SPHERE (Roumesy, M., et al., 2026, A&A, 710, A75)
4. Height of Earth’s atmosphere with SPIRou at CFHT (Arnold, L., et al., 2026, A&A, 710, A163)
5. Simulated gamma-rays in a Milky Way-like galaxy (Kjellgren, K., et al., 2026, A&A, 710, A163)
6. A Greatly Confused Loop atop the Galactic Center (Kreckel, K., et al., 2026, A&A, 710, A205)
See the table of contents
Volume 709 (May 2026)
1. JWST imaging of a galaxy protocluster in formation (Witten, C., et al., 2026, A&A, 709, A176)
2. Selected isotope densities of simulated WD TDEs (Vynatheya, P., et al., 2026, A&A, 709, A214)
3. The full sample of NIR images of planet-forming disks reveals their evolution and interaction with the environment (Garufi, A., et al., 2026, A&A, 709, A269)
4. Emergence of classical and complex radio galaxies (Giri, G., et al., 2026, A&A, 709, A279)
5. Multi-band view of supernova remnant W28 (Chi, Y. H., et al., 2026, A&A, 709, A257)
See the table of contents

27153	Open Access FAUST - XXX. Dust enhancement in the young binary L1551 IRS 5 N. Cuello, E. Bianchi, F. Ménard, L. Loinard, R. Hernández Garnica, A. Durán, C. Ceccarelli, M. J. Maureira, C. J. Chandler, C. Codella et al. (10 more) A&A, 705 (2026) L16 Published online: 14 January 2026
6181	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
6074	Press Release Highlight Free Access The nature of the TRAPPIST-1 exoplanets Simon L. Grimm, Brice-Olivier Demory, Michaël Gillon, Caroline Dorn, Eric Agol, Artem Burdanov, Laetitia Delrez, Marko Sestovic, Amaury H. M. J. Triaud, Martin Turbet et al. (16 more) A&A, 613 (2018) A68 Published online: 04 June 2018
5925	Free Access KOI-200 b and KOI-889 b: Two transiting exoplanets detected and characterized with Kepler, SOPHIE, and HARPS-N G. Hébrard, J.-M. Almenara, A. Santerne, M. Deleuil, C. Damiani, A. S. Bonomo, F. Bouchy, G. Bruno, R. F. Díaz, G. Montagnier and C. Moutou A&A, 554 (2013) A114 Published online: 13 June 2013
3702	Open Access Assessing interstellar comet 3I/ATLAS with the 10.4 m Gran Telescopio Canarias and the Two-meter Twin Telescope R. de la Fuente Marcos, M. R. Alarcon, J. Licandro, M. Serra-Ricart, J. de León, C. de la Fuente Marcos, G. Lombardi, A. Tejero, A. Cabrera-Lavers, S. Guerra Arencibia and I. Ruiz Cejudo A&A, 700 (2025) L9 Published online: 05 August 2025

43325	Open Access FAUST - XXX. Dust enhancement in the young binary L1551 IRS 5 N. Cuello, E. Bianchi, F. Ménard, L. Loinard, R. Hernández Garnica, A. Durán, C. Ceccarelli, M. J. Maureira, C. J. Chandler, C. Codella et al. (10 more) A&A, 705 (2026) L16 Published online: 14 January 2026
17171	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
13716	Free Access KOI-200 b and KOI-889 b: Two transiting exoplanets detected and characterized with Kepler, SOPHIE, and HARPS-N G. Hébrard, J.-M. Almenara, A. Santerne, M. Deleuil, C. Damiani, A. S. Bonomo, F. Bouchy, G. Bruno, R. F. Díaz, G. Montagnier and C. Moutou A&A, 554 (2013) A114 Published online: 13 June 2013
12906	Free Access The chemistry of C₂ and C₃ in the coma of Comet C/1995 O1 (Hale-Bopp) at heliocentric distances r_h ≥ 2.9 AU J. Helbert, H. Rauer, D. C. Boice and W. F. Huebner A&A, 442 3 (2005) 1107-1120 Published online: 14 October 2005
11680	Press Release Highlight Free Access The nature of the TRAPPIST-1 exoplanets Simon L. Grimm, Brice-Olivier Demory, Michaël Gillon, Caroline Dorn, Eric Agol, Artem Burdanov, Laetitia Delrez, Marko Sestovic, Amaury H. M. J. Triaud, Martin Turbet et al. (16 more) A&A, 613 (2018) A68 Published online: 04 June 2018

Astronomy & Astrophysics

Latest highlightsAll

Latest volumeAll

SUBSCRIBE TO OPEN (S2O)

FEATURED IMAGE All

Latest special issuesAll

Towards inertial-mode helioseismology: Direct sensing of solar rotation at 75° latitude and 0.8 R_⊙

Full-spectrum infrared fingerprinting: A transformative AI paradigm for interstellar polycyclic aromatic hydrocarbons

Seismic signature of a magnetic field in the γ Doradus star KIC 2309579

Understanding hydrodynamical wave-driven shear mixing in stellar radiation zones - Looking in the mirror of the dyapicnal oceanic mixing

The VMC survey - LV. The coherent expansion of the SMC

Gas dynamics around dust asymmetries in turbulent disks

Probing millisecond magnetar formation in binary neutron star mergers through X-ray follow-up of gravitational wave alerts

Fuzzy dark matter dynamical friction - Stalling of globular clusters induced by dynamical heating

The nature of the TRAPPIST-1 exoplanets

FAUST - XXX. Dust enhancement in the young binary L1551 IRS 5

Planck 2018 results - VI. Cosmological parameters

Star formation near an obscured AGN - Variations in the initial mass function

Assessing interstellar comet 3I/ATLAS with the 10.4 m Gran Telescopio Canarias and the Two-meter Twin Telescope

FAUST - XXX. Dust enhancement in the young binary L1551 IRS 5

Planck 2018 results - VI. Cosmological parameters

The nature of the TRAPPIST-1 exoplanets

KOI-200 b and KOI-889 b: Two transiting exoplanets detected and characterized with Kepler, SOPHIE, and HARPS-N

Assessing interstellar comet 3I/ATLAS with the 10.4 m Gran Telescopio Canarias and the Two-meter Twin Telescope

FAUST - XXX. Dust enhancement in the young binary L1551 IRS 5

Planck 2018 results - VI. Cosmological parameters

KOI-200 b and KOI-889 b: Two transiting exoplanets detected and characterized with Kepler, SOPHIE, and HARPS-N

The chemistry of C₂ and C₃ in the coma of Comet C/1995 O1 (Hale-Bopp) at heliocentric distances r_h ≥ 2.9 AU

The nature of the TRAPPIST-1 exoplanets

Volume 711 (in progress)

Volume 710 (June 2026) (in progress)

Volume 709 (May 2026)

News