Astronomy & Astrophysics (A&A)

Volume 708 (April 2026)
(in progress)

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Antlia SNR observed in X-rays with eROSITA/SRG (Knies, F., et al., 2026, A&A, 708, A198)

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Latest special issuesAll

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

Open Access

A 3D physico-chemical model of a pre-stellar core - II. Dynamic chemical evolution in a pre-stellar core model using tracer particles

S. S. Jensen, S. Spezzano, P. Caselli, T. Grassi, O. Sipilä and T. Haugbølle

A&A, 708 (2026) A279

Published online: 16 April 2026
Open Access

C₅H₆ formation in Dense Molecular Clouds

Ugo Jacovella, Jean-Christophe Loison, Corentin Rossi, Anne P. Rasmussen, Roland Thissen, Nandana Pattathadathil and Christian Alcaraz

A&A, 708 (2026) A281

Published online: 16 April 2026
Open Access

Measurements and predictions of H₂ pressure-broadening coefficients of CO₂ absorption lines for exoplanet atmosphere studies

Faten Hendaoui, Pascale Chelin, Xavier Landsheere, Hassen Aroui and Ha Tran

A&A, 708 (2026) A271

Published online: 16 April 2026
Open Access

Observing double white dwarfs with the Lunar GW Antenna

G. Benetti, M. Branchesi, J. Harms and J. P. Zendri

A&A, 708 (2026) A277

Published online: 16 April 2026
Open Access

Diffraction-driven photometry: A novel method for stellar temperature determination

Sergio Bonaque-González, Susana Ríos-Rodríguez, Omar de Varona, Leopoldo L. Martín-Rodríguez and Pablo Molina

A&A, 708 (2026) A278

Published online: 16 April 2026
Open Access

Simulation-based inference with neural posterior estimation applied to X-ray spectral fitting - III. Deriving exact posteriors with dimension reduction and importance sampling

Didier Barret and Simon Dupourqué

A&A, 708 (2026) A280

Published online: 16 April 2026
Open Access

In situ globular clusters in alternative dark matter Milky Way galaxies: A first approach to fuzzy and core-like dark matter theories

Pierre Boldrini and Paola Di Matteo

A&A, 708 (2026) A261

Published online: 15 April 2026
Open Access

Revisiting the Milky Way stellar long bar and the 3 kpc arm

M. López-Corredoira, W. Wu, H.-F. Wang and F. Garzón

A&A, 708 (2026) A288

Published online: 15 April 2026

Most downloaded articles

1556	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
1180	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
960	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
946	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
934	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

Volume 708 (April 2026) (in progress)
1. JWST-NIRCam images of protoplanetary disks in the Orion Nebula Cluster (Amiot, P., et al., 2026, A&A, 708, A111)
2. Resolved protoplanetary discs at 1.3 mm (Bosschaart, Q., et al., 2026, A&A, 708, A143)
3. Antlia SNR observed in X-rays with eROSITA/SRG (Knies, F., et al., 2026, A&A, 708, A198)
See the table of contents
Volume 707 (March 2026)
1. Non-thermal filaments in the cluster Abell 2255 (De Rubeis, E., et al., 2026, A&A, 707, A49)
2. Turbulent burning in electron capture supernovae (Holas, A., et al., 2026, A&A, 707, A84)
3. A section of the Galactic plane in LoTSS-DR3 (Shimwell, T. W., et al., 2026, A&A, 707, A198)
4. β Pic submicro-arcsecond astrometry with GRAVITY+ (GRAVITY+ Collaboration, 2026, A&A, 707, A115)
5. Interstellar nebula powered by microquasar SS 433 (Sunyaev, R.., et al., 2026, A&A, 707, A278)
See the table of contents
Volume 706 (February 2026)
1. Millimeter-selected clusters and dusty galaxies (Archipley, M., et al., 2026, A&A, 706, A17)
2. CO(2–1) velocity maps of the IRAS 04166 outflow (Tafalla, M., et al., 2026, A&A, 706, A248)
3. Bayesian imaging of LMC SN1987A components (Eberle, V., et al., 2026, A&A, 706, A229)
4. GLOSTAR–Effelsberg map of the Galaxy at 4.9 GHz (Gong, Y., et al., 2026, A&A, 706, A230)
5. Tracing the interplay between stars and gas in M33 (Feltre, A., et al., 2026, A&A, 706, A367)
6. CH and H₂O spectra constraining variations α (Muller, S., et al., 2026, A&A, 706, A365)
7. The tidal disruption of a rubble-pile Phobos (Agrusa, H. & Michel, P., 2026, A&A, 706, A353)
See the table of contents

7783	Press Release Open Access Solar twins in Gaia DR3 GSP-Spec - I. Building a large catalog of solar twins with ages Daisuke Taniguchi, Patrick de Laverny, Alejandra Recio-Blanco, Takuji Tsujimoto and Pedro A. Palicio A&A, 707 (2026) A260 Published online: 12 March 2026
5976	Free Access Photodissociation and photoionisation of atoms and molecules of astrophysical interest A. N. Heays, A. D. Bosman and E. F. van Dishoeck A&A, 602 (2017) A105 Published online: 23 June 2017
5929	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
5696	Open Access FENRIR: A statistical model of stellar variability - I. A physics-based, fast Gaussian process model to represent stellar activity and perform statistical Doppler imaging Nathan C. Hara and Jean-Baptiste Delisle A&A, 696 (2025) A141 Published online: 17 April 2025
3719	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

17671	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
15730	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
13357	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
9860	Open Access Identifying astrophysical anomalies in 99.6 million source cutouts from the Hubble legacy archive using AnomalyMatch David O’Ryan and Pablo Gómez A&A, 704 (2025) A227 Published online: 16 December 2025
9449	Free Access A long term spectroscopic and photometric study of the old nova HR Delphini M. Friedjung, M. Dennefeld and I. Voloshina A&A, 521 (2010) A84 Published online: 25 October 2010

Astronomy & Astrophysics

Latest highlightsAll

Latest volumeAll

SUBSCRIBE TO OPEN (S2O)

FEATURED IMAGE All

Latest special issuesAll

A 3D physico-chemical model of a pre-stellar core - II. Dynamic chemical evolution in a pre-stellar core model using tracer particles

C₅H₆ formation in Dense Molecular Clouds

Measurements and predictions of H₂ pressure-broadening coefficients of CO₂ absorption lines for exoplanet atmosphere studies

Observing double white dwarfs with the Lunar GW Antenna

Diffraction-driven photometry: A novel method for stellar temperature determination

Simulation-based inference with neural posterior estimation applied to X-ray spectral fitting - III. Deriving exact posteriors with dimension reduction and importance sampling

In situ globular clusters in alternative dark matter Milky Way galaxies: A first approach to fuzzy and core-like dark matter theories

Revisiting the Milky Way stellar long bar and the 3 kpc arm

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

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 nature of the TRAPPIST-1 exoplanets

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

Solar twins in Gaia DR3 GSP-Spec - I. Building a large catalog of solar twins with ages

Photodissociation and photoionisation of atoms and molecules of astrophysical interest

Planck 2018 results - VI. Cosmological parameters

FENRIR: A statistical model of stellar variability - I. A physics-based, fast Gaussian process model to represent stellar activity and perform statistical Doppler imaging

Euclid - I. Overview of the Euclid mission

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

Planck 2018 results - VI. Cosmological parameters

Euclid - I. Overview of the Euclid mission

Identifying astrophysical anomalies in 99.6 million source cutouts from the Hubble legacy archive using AnomalyMatch

A long term spectroscopic and photometric study of the old nova HR Delphini

Volume 708 (April 2026) (in progress)

Volume 707 (March 2026)

Volume 706 (February 2026)

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