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Main sequence dynamo magnetic fields emerging in the white dwarf phase

Multi-wavelength spectroscopic analysis of the ULX Holmberg II X-1 and its nebula suggests the presence of a heavy black hole accreting from a B-type donor

Asymmetries in asymptotic giant branch stars and their winds. I. From 3D RHD models to synthetic observables

The VISTA Variables in the Vía Láctea eXtended (VVVX) ESO public survey: Completion of the observations and legacy

Volume 692 (December 2024)
(in progress)

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Magnetic field of the core dynamo from an A-type star (Hidalgo, J. P., et al., 2024, A&A, 691, A326)

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

Open Access

Two stellar populations with different metallicities in the low-mass globular cluster Gran 5

Dongwook Lim, Sang-Hyun Chun, Young-Wook Lee, Chul Chung, Andreas J. Koch-Hansen and Seungsoo Hong

A&A, 692 (2024) A14

Published online: 27 November 2024
Open Access

Lack of emission lines in the optical spectra of SAX J1808.4–3658 during reflaring of the 2019 outburst

L. Asquini, M. C. Baglio, S. Campana, P. D’Avanzo, A. Miraval Zanon, K. Alabarta, D. M. Russell and D. M. Bramich

A&A, 692 (2024) A16

Published online: 27 November 2024
Open Access

Mg II h&k spectra of an enhanced network region simulated with the MURaM-ChE code - Results using 1.5D synthesis

P. Ondratschek, D. Przybylski, H. N. Smitha, R. Cameron, S. K. Solanki and J. Leenaarts

A&A, 692 (2024) A6

Published online: 27 November 2024
Open Access

Assessing methods for telluric removal on atmospheric retrievals of high-resolution optical exoplanetary transmission spectra

Cathal Maguire, Elyar Sedaghati, Neale P. Gibson, Alain Smette and Lorenzo Pino

A&A, 692 (2024) A8

Published online: 27 November 2024
Open Access

Detecting and sizing the Earth with PLATO: A feasibility study based on solar data

A. F. Krenn, M. Lendl, S. Sulis, M. Deleuil, S. J. Hofmeister, N. Jannsen, L. Fossati, J. De Ridder, D. Seynaeve, R. Jarolim and A. M. Veronig

A&A, 692 (2024) A17

Published online: 27 November 2024
Open Access

COMAP Pathfinder – Season 2 results - I. Improved data selection and processing

J. G. S. Lunde, N.-O. Stutzer, P. C. Breysse, D. T. Chung, K. A. Cleary, D. A. Dunne, H. K. Eriksen, S. E. Harper, H. T. Ihle, J. W. Lamb et al. (18 more)

A&A, 691 (2024) A335

Published online: 27 November 2024
Open Access

COMAP Pathfinder – Season 2 results - II. Updated constraints on the CO(1–0) power spectrum

N.-O. Stutzer, J. G. S. Lunde, P. C. Breysse, D. T. Chung, K. A. Cleary, D. A. Dunne, H. K. Eriksen, H. T. Ihle, H. Padmanabhan, D. Tolgay et al. (17 more)

A&A, 691 (2024) A336

Published online: 27 November 2024
Open Access

COMAP Pathfinder – Season 2 results - III. Implications for cosmic molecular gas content at z ~ 3

D. T. Chung, P. C. Breysse, K. A. Cleary, D. A. Dunne, J. G. S. Lunde, H. Padmanabhan, N.-O. Stutzer, D. Tolgay, J. R. Bond, S. E. Church et al. (18 more)

A&A, 691 (2024) A337

Published online: 27 November 2024

Most downloaded articles

2629	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
1982	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
970	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
633	Open Access Rapid kilonova evolution: Recombination and reverberation effects Albert Sneppen, Darach Watson, James H. Gillanders and Kasper E. Heintz A&A, 688 (2024) A95 Published online: 07 August 2024
487	Press Release Free Access A candidate short-period sub-Earth orbiting Proxima Centauri J. P. Faria, A. Suárez Mascareño, P. Figueira, A. M. Silva, M. Damasso, O. Demangeon, F. Pepe, N. C. Santos, R. Rebolo, S. Cristiani et al. (27 more) A&A, 658 (2022) A115 Published online: 10 February 2022

Volume 692 (December 2024) (in progress)
See the table of contents
Volume 691 (November 2024) (in progress)
1. HST deep field images of Omega Centauri (Scalco, M., et al., 2024, A&A, 691, A96)
2. 3D retrieved structures of Jovian auroral emission (Benmahi, B., et al., 2024, A&A, 691, A91)
3. 5σ limiting magnitudes of F356+F444 stack mosaics (Merlin, E., et al., 2024, A&A, 691, A240)
4. Microstructure of deuterium-irradiated silicates (Zeng, X., et al., 2024, A&A, 691, A275)
5. The JWST/NIRCam images of 80 sub-millimetre galaxies (Gillman, S., et al., 2024, A&A, 691, A299)
6. Magnetic field of the core dynamo from an A-type star (Hidalgo, J. P., et al., 2024, A&A, 691, A326)
See the table of contents
Volume 690 (October 2024)
1. HST, ALMA and JVLA view of the host of GRB 171205A (Thöne, C. C., et al., 2024, A&A, 690, A66)
2. The prototypical major cluster merger Abell 754 (Botteon, A., et al., 2024, A&A, 690, A222)
3. JWST detects Wolf-Rayet stars at z ~ 2.4 (Rivera-Thorsen, T. E., et al., 2024, A&A, 690, A269)
4. Radio halo and tailed galaxies in the galaxy cluster A2142 (Bruno, L., et al., 2024, A&A, 690, A329)
5. The Foot Nebula around the ULX Holmberg II X-1 (Reyero Serantes, S., et al., 2024, A&A, 690, A347)
6. Uncovering obscured star clusters in NGC 891 (Chastenet, J., et al., 2024, A&A, 690, A348)
See the table of contents

6085	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
3621	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
3410	Press Release Highlight Open Access A JWST inventory of protoplanetary disk ices - The edge-on protoplanetary disk HH 48 NE, seen with the Ice Age ERS program J. A. Sturm, M. K. McClure, T. L. Beck, D. Harsono, J. B. Bergner, E. Dartois, A. C. A. Boogert, J. E. Chiar, M. A. Cordiner, M. N. Drozdovskaya et al. (17 more) A&A, 679 (2023) A138 Published online: 06 December 2023
3164	Press Release Open Access Emergence hour-by-hour of r-process features in the kilonova AT2017gfo Albert Sneppen, Darach Watson, Rasmus Damgaard, Kasper E. Heintz, Nicholas Vieira, Petri Väisänen and Antoine Mahoro A&A, 690 (2024) A398 Published online: 30 October 2024
2287	Open Access Discovery and characterization of a dense sub-Saturn TOI-6651b Sanjay Baliwal, Rishikesh Sharma, Abhijit Chakraborty, Akanksha Khandelwal, K. J. Nikitha, Boris S. Safonov, Ivan A. Strakhov, Marco Montalto, Jason D. Eastman, David W. Latham et al. (6 more) A&A, 691 (2024) A12 Published online: 25 October 2024

12764	Press Release Open Access Bright unintended electromagnetic radiation from second-generation Starlink satellites C. G. Bassa, F. Di Vruno, B. Winkel, G. I. G. Józsa, M. A. Brentjens and X. Zhang A&A, 689 (2024) L10 Published online: 18 September 2024
12687	Press Release Open Access A sub-Earth-mass planet orbiting Barnard’s star J. I. González Hernández, A. Suárez Mascareño, A. M. Silva, A. K. Stefanov, J. P. Faria, H. M. Tabernero, A. Sozzetti, R. Rebolo, F. Pepe, N. C. Santos et al. (30 more) A&A, 690 (2024) A79 Published online: 01 October 2024
10936	Press Release Highlight Open Access The VISTA Variables in the Vía Láctea extended (VVVX) ESO public survey: Completion of the observations and legacy R. K. Saito, M. Hempel, J. Alonso-García, P. W. Lucas, D. Minniti, S. Alonso, L. Baravalle, J. Borissova, C. Caceres, A. N. Chené et al. (136 more) A&A, 689 (2024) A148 Published online: 26 September 2024
9749	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
7593	Free Access A chemistry and cooling module for the NIRVANA code U. Ziegler A&A, 620 (2018) A81 Published online: 04 December 2018

Astronomy & Astrophysics

Latest highlightsAll

Latest volumeAll

SUBSCRIBE TO OPEN (S2O)

FEATURED IMAGE All

Latest special issuesAll

Two stellar populations with different metallicities in the low-mass globular cluster Gran 5

Lack of emission lines in the optical spectra of SAX J1808.4–3658 during reflaring of the 2019 outburst

Mg II h&k spectra of an enhanced network region simulated with the MURaM-ChE code - Results using 1.5D synthesis

Assessing methods for telluric removal on atmospheric retrievals of high-resolution optical exoplanetary transmission spectra

Detecting and sizing the Earth with PLATO: A feasibility study based on solar data

COMAP Pathfinder – Season 2 results - I. Improved data selection and processing

COMAP Pathfinder – Season 2 results - II. Updated constraints on the CO(1–0) power spectrum

COMAP Pathfinder – Season 2 results - III. Implications for cosmic molecular gas content at z ~ 3

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

Rapid kilonova evolution: Recombination and reverberation effects

A candidate short-period sub-Earth orbiting Proxima Centauri

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

Planck 2018 results - VI. Cosmological parameters

A JWST inventory of protoplanetary disk ices - The edge-on protoplanetary disk HH 48 NE, seen with the Ice Age ERS program

Emergence hour-by-hour of r-process features in the kilonova AT2017gfo

Discovery and characterization of a dense sub-Saturn TOI-6651b

Bright unintended electromagnetic radiation from second-generation Starlink satellites

A sub-Earth-mass planet orbiting Barnard’s star

The VISTA Variables in the Vía Láctea extended (VVVX) ESO public survey: Completion of the observations and legacy

Planck 2018 results - VI. Cosmological parameters

A chemistry and cooling module for the NIRVANA code

Volume 692 (December 2024) (in progress)

Volume 691 (November 2024) (in progress)

Volume 690 (October 2024)

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