Astronomy & Astrophysics (A&A)

Volume 709 (May 2026)
(in progress)

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JWST image of PLCKG165+67 and arc hosting supernova H0pe (Galan, A., et al., 2026, A&A, 708, A359)

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

Open Access

Radiolysis versus photolysis of nitrile ices: Laboratory constraints for interstellar chemistry

Q. D. Borengasser, B. M. Moore, T. J. Hager, R. Johnson, K. T. Renshaw and B. M. Broderick

A&A, 709 (2026) A168

Published online: 13 May 2026
Open Access

A simple relation: Neutron star magnetic field strength and spectral shape at low mass accretion rates

Nicolas Zalot, Ekaterina Sokolova-Lapa, Aafia Zainab, Philipp Thalhammer, Jakob Stierhof, Katrin Berger, Katja Pottschmidt, Ralf Ballhausen, Christian Malacaria, Esin Gulbahar and Jörn Wilms

A&A, 709 (2026) A182

Published online: 13 May 2026
Open Access

Cosmological simulation of a radio synchrotron bridge between pre-merging galaxy clusters

K. Nishiwaki, G. Brunetti, F. Vazza and C. Gheller

A&A, 709 (2026) A191

Published online: 13 May 2026
Open Access

Novae breves from magnetar giant flares: Potential probes of neutron star crusts

Jiahang Zhong, Qiu-Hong Chen, Yacheng Kang, Hong-Bo Li, Jinghao Zhang, Meng-Hua Chen and Lijing Shao

A&A, 709 (2026) A195

Published online: 13 May 2026
Open Access

Gas rotation and turbulence in the galaxy cluster Abell 2029

T. Bartalesi, A. Simionescu, S. Ettori, C. Nipoti, V. Ghirardini, A. Sarkar and M. Sun

A&A, 709 (2026) A155

Published online: 13 May 2026
Open Access

CosmoGen: A genetic algorithm framework for the exploration of dark energy dynamics

D. Castelão and I. Tereno

A&A, 709 (2026) A159

Published online: 13 May 2026
Open Access

A new magnitude–redshift relation based on Type Ia supernovae

Ósmar Rodríguez and Alejandro Clocchiatti

A&A, 709 (2026) A162

Published online: 13 May 2026
Open Access

Mind the peak: Improving cosmological constraints from GWTC-4.0 spectral sirens using semiparametric mass models

Matteo Tagliazucchi, Michele Moresco, Nicola Borghi and Chiara Ciapetti

A&A, 709 (2026) A197

Published online: 13 May 2026

Most downloaded articles

10476	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
2008	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
1870	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
1505	Open Access The Local Distance Network: A community consensus report on the measurement of the Hubble constant at ∼1% precision H0DN Collaboration, Stefano Casertano, Gagandeep Anand, Richard I. Anderson, Rachael Beaton, Anupam Bhardwaj, John P. Blakeslee, Paula Boubel, Louise Breuval, Dillon Brout et al. (28 more) A&A, 708 (2026) A166 Published online: 10 April 2026
1299	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

Volume 709 (May 2026) (in progress)
See the table of contents
Volume 708 (April 2026)
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)
4. JWST image of PLCKG165+67 and arc hosting supernova H0pe (Galan, A., et al., 2026, A&A, 708, A359)
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

19866	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
8863	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
8690	Open Access The Local Distance Network: A community consensus report on the measurement of the Hubble constant at ∼1% precision H0DN Collaboration, Stefano Casertano, Gagandeep Anand, Richard I. Anderson, Rachael Beaton, Anupam Bhardwaj, John P. Blakeslee, Paula Boubel, Louise Breuval, Dillon Brout et al. (28 more) A&A, 708 (2026) A166 Published online: 10 April 2026
6732	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
5277	Highlight Free Access Medium-resolution échelle spectroscopy of the Red Square Nebula, MWC 922 N. Wehres, B. B. Ochsendorf, A. G. G. M. Tielens, N. L. J. Cox, L. Kaper, J. Bally and T. P. Snow A&A, 601 (2017) A69 Published online: 03 May 2017

21556	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
15531	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
15453	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
15382	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
11523	Highlight Free Access Medium-resolution échelle spectroscopy of the Red Square Nebula, MWC 922 N. Wehres, B. B. Ochsendorf, A. G. G. M. Tielens, N. L. J. Cox, L. Kaper, J. Bally and T. P. Snow A&A, 601 (2017) A69 Published online: 03 May 2017

Astronomy & Astrophysics

Latest highlightsAll

Latest volumeAll

SUBSCRIBE TO OPEN (S2O)

FEATURED IMAGE All

Latest special issuesAll

Radiolysis versus photolysis of nitrile ices: Laboratory constraints for interstellar chemistry

A simple relation: Neutron star magnetic field strength and spectral shape at low mass accretion rates

Cosmological simulation of a radio synchrotron bridge between pre-merging galaxy clusters

Novae breves from magnetar giant flares: Potential probes of neutron star crusts

Gas rotation and turbulence in the galaxy cluster Abell 2029

CosmoGen: A genetic algorithm framework for the exploration of dark energy dynamics

A new magnitude–redshift relation based on Type Ia supernovae

Mind the peak: Improving cosmological constraints from GWTC-4.0 spectral sirens using semiparametric mass models

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

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 Local Distance Network: A community consensus report on the measurement of the Hubble constant at ∼1% precision

Planck 2018 results - VI. Cosmological parameters

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

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 Local Distance Network: A community consensus report on the measurement of the Hubble constant at ∼1% precision

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

Medium-resolution échelle spectroscopy of the Red Square Nebula, MWC 922

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

Planck 2018 results - VI. Cosmological parameters

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

Euclid - I. Overview of the Euclid mission

Medium-resolution échelle spectroscopy of the Red Square Nebula, MWC 922

Volume 709 (May 2026) (in progress)

Volume 708 (April 2026)

Volume 707 (March 2026)

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