Astronomy & Astrophysics (A&A)

Volume 696 (April 2025)
(in progress)

FEATURED IMAGE All

Cassiopeia A–circumstellar shell interaction (Orlando, S., et al., 2025, A&A, 696, A188)

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Latest special issuesAll

ZTF SN Ia DR2 (in progress)
Solar Orbiter First Results (Nominal Mission Phase) (in progress)
Euclid on Sky (in progress)

Open Access

First detections of CO absorption in the Magellanic Clouds and direct measurement of the CO-to-H₂ ratio

S. A. Balashev, D. N. Kosenko and P. Noterdaeme

A&A, 696 (2025) L16

Published online: 25 April 2025
Open Access

Extremely asymmetric bipolar magnetic field of the Bp star HD 57372

Oleg Kochukhov

A&A, 696 (2025) L17

Published online: 25 April 2025
Open Access

Do accretion-powered stellar winds help spin down T Tauri stars?

Lukas Gehrig, Eric Gaidos, Laura Venuti, Ann Marie Cody and Neal J. Turner

A&A, 696 (2025) L18

Published online: 25 April 2025
Open Access

Identification of a dwarf galaxy stream in Gaia, and its possible association with the vast polar structure

Hao Tian, Chao Liu, Xiang-Xiang Xue, Dongwei Fan, Changqing Luo, Jundan Nie, Ming Yang, Yujiao Yang and Bo Zhang

A&A, 696 (2025) L19

Published online: 25 April 2025
Press Release
Open Access

MeerKAT discovers a jet-driven bow shock near GRS 1915+105 - How an invisible large-scale jet sculpts a microquasar’s environment

S. E. Motta, P. Atri, James H. Matthews, Jakob van den Eijnden, Rob P. Fender, James C. A. Miller-Jones, Ian Heywood and Patrick Woudt

A&A, 696 (2025) A222

Published online: 25 April 2025
Press Release
Open Access

Quantifying jet–interstellar medium interactions in Cyg X-1: Insights from dual-frequency bow shock detection with MeerKAT

P. Atri, S. E. Motta, J. van den Eijnden, J. H. Matthews, J. C. A. Miller-Jones, R. Fender, D. Williams-Baldwin, I. Heywood and P. Woudt

A&A, 696 (2025) A223

Published online: 25 April 2025
Open Access

Exploring magnetised galactic outflows in starburst dwarf galaxies NGC 3125 and IC 4662

Sam Taziaux, Ancla Müller, Björn Adebahr, Aritra Basu, Christoph Pfrommer, Michael Stein, Krysztof T. Chyży, Dominik J. Bomans, Torsten Enßlin, Volker Heesen et al. (6 more)

A&A, 696 (2025) A226

Published online: 25 April 2025
Open Access

Self-similarity of the mass distribution in rich galaxy clusters up to z∼1 tracked with weak lensing

Mauro Sereno

A&A, 696 (2025) A227

Published online: 25 April 2025

Most downloaded articles

16188	Press Release Open Access Euclid: A complete Einstein ring in NGC 6505 C. M. O’Riordan, L. J. Oldham, A. Nersesian, T. Li, T. E. Collett, D. Sluse, B. Altieri, B. Clément, K. G. C. Vasan, S. Rhoades et al. (188 more) A&A, 694 (2025) A145 Published online: 10 February 2025
1889	Press Release Open Access Revisiting the multi-planetary system of the nearby star HD 20794 - Confirmation of a low-mass planet in the habitable zone of a nearby G-dwarf N. Nari, X. Dumusque, N. C. Hara, A. Suárez Mascareño, M. Cretignier, J. I. González Hernández, A. K. Stefanov, V. M. Passegger, R. Rebolo, F. Pepe et al. (37 more) A&A, 693 (2025) A297 Published online: 28 January 2025
788	Press Release Open Access Coronal hole picoflare jets are progenitors of both fast and Alfvénic slow solar wind L. P. Chitta, Z. Huang, R. D’Amicis, D. Calchetti, A. N. Zhukov, E. Kraaikamp, C. Verbeeck, R. Aznar Cuadrado, J. Hirzberger, D. Berghmans et al. (12 more) A&A, 694 (2025) A71 Published online: 05 February 2025
768	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
719	ZTF SN Ia DR2 Press Release Open Access ZTF SN Ia DR2: Overview M. Rigault, M. Smith, A. Goobar, K. Maguire, G. Dimitriadis, J. Johansson, J. Nordin, U. Burgaz, S. Dhawan, J. Sollerman et al. (53 more) A&A, 694 (2025) A1 Published online: 14 February 2025

Volume 696 (April 2025) (in progress)
1. Precession and expansion of a relativistic jet (Foschi, M., et al., 2025, A&A, 696, A117)
2. Multiple images in MACS 0416, found by JWST (Rihtaršič, G., et al., 2025, A&A, 696, A15)
3. Dust shells and a dark linear stripe on comet C/2023 A3 (Moreno, F., et al., 2025, A&A, 696, A43)
4. Hydrodynamic simulation of planetary and stellar wind (Gillet, A., et al., 2025, A&A, 696, A64)
5. Sub-arcsecond resolution view of the Orion Bar (Goicoechea, J. R., et al., 2025, A&A, 696, A100)
6. Web of unshocked ejecta filaments in Cassiopeia A (Orlando, S., et al., 2025, A&A, 696, A108)
7. NOEMA resolves molecular gas chemistry and density in M51 (Stuber, S. K., et al., 2025, A&A, 696, A182)
8. Rayleigh-Taylor instabilities in supernova ejecta (Roussel-Hard, L., et al., 2025, A&A, 696, A201)
9. Cassiopeia A–circumstellar shell interaction (Orlando, S., et al., 2025, A&A, 696, A188)
See the table of contents
Volume 695 (March 2025)
1. A deep LOFAR map of ELAIS-N1 with 154 952 sources (Shimwell, T. W., et al., 2025, A&A, 695, A80)
2. Plasma simulation of a pulsar magnetosphere (Cerutti, B., et al., 2025, A&A, 695, A93)
See the table of contents
Volume 694 (February 2025)
1. Sympathetic solar flares connected by magnetic field (Guité, L.-S., et al., 2025, A&A, 694, A74)
2. Stokes I, Q, and U maps of the Galaxy at 1.45 GHz (Sun, X., et al., 2025, A&A, 694, A169)
See the table of contents

16188	Press Release Open Access Euclid: A complete Einstein ring in NGC 6505 C. M. O’Riordan, L. J. Oldham, A. Nersesian, T. Li, T. E. Collett, D. Sluse, B. Altieri, B. Clément, K. G. C. Vasan, S. Rhoades et al. (188 more) A&A, 694 (2025) A145 Published online: 10 February 2025
7072	Press Release Open Access Revisiting the multi-planetary system of the nearby star HD 20794 - Confirmation of a low-mass planet in the habitable zone of a nearby G-dwarf N. Nari, X. Dumusque, N. C. Hara, A. Suárez Mascareño, M. Cretignier, J. I. González Hernández, A. K. Stefanov, V. M. Passegger, R. Rebolo, F. Pepe et al. (37 more) A&A, 693 (2025) A297 Published online: 28 January 2025
3519	Press Release Highlight Open Access CRIRES⁺ transmission spectroscopy of WASP-127 b - Detection of the resolved signatures of a supersonic equatorial jet and cool poles in a hot planet L. Nortmann, F. Lesjak, F. Yan, D. Cont, S. Czesla, A. Lavail, A. D. Rains, E. Nagel, L. Boldt-Christmas, A. Hatzes et al. (7 more) A&A, 693 (2025) A213 Published online: 21 January 2025
3394	Press Release Open Access The persistent shadow of the supermassive black hole of M87 - II. Model comparisons and theoretical interpretations The Event Horizon Telescope Collaboration, Kazunori Akiyama, Ezequiel Albentosa-Ruíz, Antxon Alberdi, Walter Alef, Juan Carlos Algaba, Richard Anantua, Keiichi Asada, Rebecca Azulay, Uwe Bach et al. (260 more) A&A, 693 (2025) A265 Published online: 22 January 2025
3006	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

16188	Press Release Open Access Euclid: A complete Einstein ring in NGC 6505 C. M. O’Riordan, L. J. Oldham, A. Nersesian, T. Li, T. E. Collett, D. Sluse, B. Altieri, B. Clément, K. G. C. Vasan, S. Rhoades et al. (188 more) A&A, 694 (2025) A145 Published online: 10 February 2025
12612	Free Access A hydrodynamic mechanism of meteor ablation - The melt-spraying model Oleksandr G. Girin A&A, 606 (2017) A63 Published online: 12 October 2017
10449	Press Release Open Access The SRG/eROSITA diffuse soft X-ray background - I. The local hot bubble in the western Galactic hemisphere Michael C. H. Yeung, Gabriele Ponti, Michael J. Freyberg, Konrad Dennerl, Teng Liu, Nicola Locatelli, Martin G. F. Mayer, Jeremy S. Sanders, Manami Sasaki, Andy Strong et al. (3 more) A&A, 690 (2024) A399 Published online: 29 October 2024
9606	Press Release Open Access Imaging the innermost circumstellar environment of the red supergiant WOH G64 in the Large Magellanic Cloud K. Ohnaka, K.-H. Hofmann, G. Weigelt, J. Th. van Loon, D. Schertl and S. R. Goldman A&A, 691 (2024) L15 Published online: 21 November 2024
9598	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

Astronomy & Astrophysics

Latest highlightsAll

Latest volumeAll

SUBSCRIBE TO OPEN (S2O)

FEATURED IMAGE All

Latest special issuesAll

First detections of CO absorption in the Magellanic Clouds and direct measurement of the CO-to-H₂ ratio

Extremely asymmetric bipolar magnetic field of the Bp star HD 57372

Do accretion-powered stellar winds help spin down T Tauri stars?

Identification of a dwarf galaxy stream in Gaia, and its possible association with the vast polar structure

MeerKAT discovers a jet-driven bow shock near GRS 1915+105 - How an invisible large-scale jet sculpts a microquasar’s environment

Quantifying jet–interstellar medium interactions in Cyg X-1: Insights from dual-frequency bow shock detection with MeerKAT

Exploring magnetised galactic outflows in starburst dwarf galaxies NGC 3125 and IC 4662

Self-similarity of the mass distribution in rich galaxy clusters up to z∼1 tracked with weak lensing

Euclid: A complete Einstein ring in NGC 6505

Revisiting the multi-planetary system of the nearby star HD 20794 - Confirmation of a low-mass planet in the habitable zone of a nearby G-dwarf

Coronal hole picoflare jets are progenitors of both fast and Alfvénic slow solar wind

Planck 2018 results - VI. Cosmological parameters

ZTF SN Ia DR2: Overview

Euclid: A complete Einstein ring in NGC 6505

Revisiting the multi-planetary system of the nearby star HD 20794 - Confirmation of a low-mass planet in the habitable zone of a nearby G-dwarf

CRIRES⁺ transmission spectroscopy of WASP-127 b - Detection of the resolved signatures of a supersonic equatorial jet and cool poles in a hot planet

The persistent shadow of the supermassive black hole of M87 - II. Model comparisons and theoretical interpretations

Planck 2018 results - VI. Cosmological parameters

Euclid: A complete Einstein ring in NGC 6505

A hydrodynamic mechanism of meteor ablation - The melt-spraying model

The SRG/eROSITA diffuse soft X-ray background - I. The local hot bubble in the western Galactic hemisphere

Imaging the innermost circumstellar environment of the red supergiant WOH G64 in the Large Magellanic Cloud

Planck 2018 results - VI. Cosmological parameters

Volume 696 (April 2025) (in progress)

Volume 695 (March 2025)

Volume 694 (February 2025)

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