Astronomy & Astrophysics (A&A)

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Planck 2018 (open issue)
Rosetta 2 (open issue)
The Solar Orbiter mission (open issue)
The XXL Survey: third series (open issue)

Free Access

Study of the variable broadband emission of Markarian 501 during the most extreme Swift X-ray activity

MAGIC Collaboration:, V. A. Acciari, S. Ansoldi, L. A. Antonelli, A. Babić, B. Banerjee, U. Barres de Almeida, J. A. Barrio, J. Becerra González, W. Bednarek et al. (177 more)

A&A, 637 (2020) A86

Published online: 21 May 2020
Open Access

Reverberation mapping of AGNs through continuum polarization

P. A. Rojas Lobos, R. W. Goosmann, J. M. Hameury and F. Marin

A&A, 637 (2020) A88

Published online: 21 May 2020
Highlight
Free Access

Liverpool-Maidanak monitoring of the Einstein Cross in 2006–2019 - I. Light curves in the gVrRI optical bands and microlensing signatures

L. J. Goicoechea, B. P. Artamonov, V. N. Shalyapin, A. V. Sergeyev, O. A. Burkhonov, T. A. Akhunov, I. M. Asfandiyarov, V. V. Bruevich, S. A. Ehgamberdiev, E. V. Shimanovskaya and A. P. Zheleznyak

A&A, 637 (2020) A89

Published online: 21 May 2020
Free Access

Effect of the 3D distribution on water observations made with the SWI - I. Ganymede

E. S. Wirström, P. Bjerkeli, L. Rezac, C. Brinch and P. Hartogh

A&A, 637 (2020) A90

Published online: 21 May 2020
Free Access

Mean plane of the Kuiper belt beyond 50 AU in the presence of Planet 9

Jian Li and Zhihong Jeff Xia

A&A, 637 (2020) A87

Published online: 21 May 2020
Press Release
Open Access

Possible evidence of ongoing planet formation in AB Aurigae - A showcase of the SPHERE/ALMA synergy

A. Boccaletti, E. Di Folco, E. Pantin, A. Dutrey, S. Guilloteau, Y. W. Tang, V. Piétu, E. Habart, J. Milli, T. L. Beck and A.-L. Maire

A&A, 637 (2020) L5

Published online: 20 May 2020
Free Access

The ALMA view of the high-redshift relation between supermassive black holes and their host galaxies

A. Pensabene, S. Carniani, M. Perna, G. Cresci, R. Decarli, R. Maiolino and A. Marconi

A&A, 637 (2020) A84

Published online: 20 May 2020
Open Access

Mechanochemical synthesis of aromatic infrared band carriers - The top-down chemistry of interstellar carbonaceous dust grain analogues

E. Dartois, E. Charon, C. Engrand, T. Pino and C. Sandt

A&A, 637 (2020) A82

Published online: 20 May 2020

Most downloaded articles

1578	Press Release Free Access A naked-eye triple system with a nonaccreting black hole in the inner binary Th. Rivinius, D. Baade, P. Hadrava, M. Heida and R. Klement A&A, 637 (2020) L3 Published online: 06 May 2020
668	Free Access The far-infrared/radio correlation and radio spectral index of galaxies in the SFR–M_∗ plane up to z~2 B. Magnelli, R. J. Ivison, D. Lutz, I. Valtchanov, D. Farrah, S. Berta, F. Bertoldi, J. Bock, A. Cooray, E. Ibar et al. (14 more) A&A, 573 (2015) A45 Published online: 15 December 2014
454	Free Access Multi-wavelength study of 14 000 star-forming galaxies from the Sloan Digital Sky Survey Y. I. Izotov, N. G. Guseva, K. J. Fricke and C. Henkel A&A, 561 (2014) A33 Published online: 20 December 2013
442	Free Access Correlation between Fermi/LAT gamma-ray and 37 GHz radio properties of northern AGN averaged over 11 months E. Nieppola, M. Tornikoski, E. Valtaoja, J. León-Tavares, T. Hovatta, A. Lähteenmäki and J. Tammi A&A, 535 (2011) A69 Published online: 10 November 2011
406	Free Access Open clusters - I. Fundamental parameters of B stars in NGC 3766 and NGC 4755 Y. Aidelman, L. S. Cidale, J. Zorec and M. L. Arias A&A, 544 (2012) A64 Published online: 27 July 2012

Volume 637 (May 2020)(open volume)
1. Chromosphere observed at Swedish Solar Telescope (Kianfar, S., et al., 637, A1)
2. Phased spectra of a triple system with a black hole (Rivinius, Th., et al., 637, L3)
3. Images and infrared spectra of interstellar dust analogues (Dartois, E., et al., 637, A82)
See the table of contents
Volume 636 (April 2020)
1. Synthetic EHT observations of the black hole M87* (F. Roelofs et al., 636, A5)
2. Synthetic X-ray emission from a model of SN 1987A (Orlando, S., et al., 636, A22)
3. M 87 black hole models used to train Bayesian neural network (van der Gucht, J., et al., 636, A94)
4. Quasi-periodic pulsations of a superflare on a solar-type star (Mancuso, S., et al., 636, A96)
See the table of contents
Volume 635 (March 2020)
1. LOFAR unveils LoTSS of giant radio galaxies (Dabhade, P., et al., 635, A5)
2. CFHT/SITELLE view of M 16, the Eagle Nebula (Flagey, N., et al., 635, A111)
3. Imaging a precessing hotspot orbiting a black hole (GRAVITY Collaboration, 635, A143)
4. The A-team imaged with LOFAR at 54 MHz (de Gasperin, F., et al., 635, A150)
See the table of contents

17948	Press Release Free Access A naked-eye triple system with a nonaccreting black hole in the inner binary Th. Rivinius, D. Baade, P. Hadrava, M. Heida and R. Klement A&A, 637 (2020) L3 Published online: 06 May 2020
4297	Press Release Open Access Detection of the Schwarzschild precession in the orbit of the star S2 near the Galactic centre massive black hole GRAVITY Collaboration, R. Abuter, A. Amorim, M. Bauböck, J. P. Berger, H. Bonnet, W. Brandner, V. Cardoso, Y. Clénet, P. T. de Zeeuw et al. (46 more) A&A, 636 (2020) L5 Published online: 16 April 2020
2874	Free Access The far-infrared/radio correlation and radio spectral index of galaxies in the SFR–M_∗ plane up to z~2 B. Magnelli, R. J. Ivison, D. Lutz, I. Valtchanov, D. Farrah, S. Berta, F. Bertoldi, J. Bock, A. Cooray, E. Ibar et al. (14 more) A&A, 573 (2015) A45 Published online: 15 December 2014
2196	Press Release Free Access Probing cosmic isotropy with a new X-ray galaxy cluster sample through the L_X–T scaling relation K. Migkas, G. Schellenberger, T. H. Reiprich, F. Pacaud, M. E. Ramos-Ceja and L. Lovisari A&A, 636 (2020) A15 Published online: 08 April 2020
1593	Press Release Free Access The SOPHIE search for northern extrasolar planets - XVI. HD 158259: A compact planetary system in a near-3:2 mean motion resonance chain N. C. Hara, F. Bouchy, M. Stalport, I. Boisse, J. Rodrigues, J.-B. Delisle, A. Santerne, G. W. Henry, L. Arnold, N. Astudillo-Defru et al. (25 more) A&A, 636 (2020) L6 Published online: 16 April 2020

17948	Press Release Free Access A naked-eye triple system with a nonaccreting black hole in the inner binary Th. Rivinius, D. Baade, P. Hadrava, M. Heida and R. Klement A&A, 637 (2020) L3 Published online: 06 May 2020
13010	Press Release Open Access Detection of the Schwarzschild precession in the orbit of the star S2 near the Galactic centre massive black hole GRAVITY Collaboration, R. Abuter, A. Amorim, M. Bauböck, J. P. Berger, H. Bonnet, W. Brandner, V. Cardoso, Y. Clénet, P. T. de Zeeuw et al. (46 more) A&A, 636 (2020) L5 Published online: 16 April 2020
8754	Free Access The far-infrared/radio correlation and radio spectral index of galaxies in the SFR–M_∗ plane up to z~2 B. Magnelli, R. J. Ivison, D. Lutz, I. Valtchanov, D. Farrah, S. Berta, F. Bertoldi, J. Bock, A. Cooray, E. Ibar et al. (14 more) A&A, 573 (2015) A45 Published online: 15 December 2014
5673	Press Release Free Access Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution Jae-Young Kim, Thomas P. Krichbaum, Avery E. Broderick, Maciek Wielgus, Lindy Blackburn, José L. Gómez, Michael D. Johnson, Katherine L. Bouman, Andrew Chael, Kazunori Akiyama, Svetlana Jorstad, Alan P. Marscher, Sara Issaoun, Michael Janssen, Chi-kwan Chan, Tuomas Savolainen, Dominic W. Pesce, Feryal Özel, ... (and 333 authors more) A&A, Forthcoming article Received: 13 January 2020 / Accepted: 03 March 2020
5633	Free Access The near-infrared spectral index of Sagittarius A* derived from Ks- and H-band flare statistics M. Bremer, G. Witzel, A. Eckart, M. Zamaninasab, R. M. Buchholz, R. Schödel, C. Straubmeier, M. García-Marín and W. Duschl A&A, 532 (2011) A26 Published online: 14 July 2011

Astronomy & Astrophysics

Latest highlightsAll

Latest volumeAll

PUBLISH WITH A&A

Latest highlightsAll

Latest volumeAll

PUBLISH WITH A&A

Latest special issuesAll

Study of the variable broadband emission of Markarian 501 during the most extreme Swift X-ray activity

Reverberation mapping of AGNs through continuum polarization

Liverpool-Maidanak monitoring of the Einstein Cross in 2006–2019 - I. Light curves in the gVrRI optical bands and microlensing signatures

Effect of the 3D distribution on water observations made with the SWI - I. Ganymede

Mean plane of the Kuiper belt beyond 50 AU in the presence of Planet 9

Possible evidence of ongoing planet formation in AB Aurigae - A showcase of the SPHERE/ALMA synergy

The ALMA view of the high-redshift relation between supermassive black holes and their host galaxies

Mechanochemical synthesis of aromatic infrared band carriers - The top-down chemistry of interstellar carbonaceous dust grain analogues

A naked-eye triple system with a nonaccreting black hole in the inner binary

The far-infrared/radio correlation and radio spectral index of galaxies in the SFR–M_∗ plane up to z~2

Multi-wavelength study of 14 000 star-forming galaxies from the Sloan Digital Sky Survey

Correlation between Fermi/LAT gamma-ray and 37 GHz radio properties of northern AGN averaged over 11 months

Open clusters - I. Fundamental parameters of B stars in NGC 3766 and NGC 4755

A naked-eye triple system with a nonaccreting black hole in the inner binary

Detection of the Schwarzschild precession in the orbit of the star S2 near the Galactic centre massive black hole

The far-infrared/radio correlation and radio spectral index of galaxies in the SFR–M_∗ plane up to z~2

Probing cosmic isotropy with a new X-ray galaxy cluster sample through the L_X–T scaling relation

The SOPHIE search for northern extrasolar planets - XVI. HD 158259: A compact planetary system in a near-3:2 mean motion resonance chain

A naked-eye triple system with a nonaccreting black hole in the inner binary

Detection of the Schwarzschild precession in the orbit of the star S2 near the Galactic centre massive black hole

The far-infrared/radio correlation and radio spectral index of galaxies in the SFR–M_∗ plane up to z~2

Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution

The near-infrared spectral index of Sagittarius A* derived from Ks- and H-band flare statistics

Volume 637 (May 2020)(open volume)

Volume 636 (April 2020)

Volume 635 (March 2020)

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