Astronomy & Astrophysics (A&A)

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New way of separating X-ray components in Cassiopeia A (Picquenot, A., et al.2019, A&A, 627, A139)

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Astronomy & Astrophysics is a leading international Journal that publishes papers on all aspects of astronomy and astrophysics (theoretical, observational, and instrumental).

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

Discovery and progenitor constraints on the Type Ia supernova 2013gy

S. Holmbo, M. D. Stritzinger, B. J. Shappee, M. A. Tucker, W. Zheng, C. Ashall, M. M. Phillips, C. Contreras, A. V. Filippenko, P. Hoeflich et al. (19 more)

A&A, 627 (2019) A174

Published online: 19 July 2019
Open Access

GLOSTAR: Radio Source Catalog I. 28° < ℓ < 36° and |b| < 1°

S.-N. X. Medina, J. S. Urquhart, S. A. Dzib, A. Brunthaler, B. Cotton, K. M. Menten, F. Wyrowski, H. Beuther, S. J. Billington, C. Carrasco-Gonzalez et al. (11 more)

A&A, 627 (2019) A175

Published online: 19 July 2019
Free Access

Yarkovsky effect detection and updated impact hazard assessment for near-Earth asteroid (410777) 2009 FD

A. Del Vigna, J. Roa, D. Farnocchia, M. Micheli, D. Tholen, F. Guerra, F. Spoto and G. B. Valsecchi

A&A, 627 (2019) L11

Published online: 18 July 2019
The mean Hα EW and Lyman-continuum photon production efficiency for faint z ≈ 4−5 galaxies

Daniel Lam, Rychard J. Bouwens, Ivo Labbé, Joop Schaye, Kasper B. Schmidt, Michael V. Maseda, Roland Bacon, Leindert A. Boogaard, Themiya Nanayakkara, Johan Richard et al. (2 more)

A&A, 627 (2019) A164

Published online: 18 July 2019
Open Access

Massive stars in the young cluster VVV CL074

F. Martins, A.-N. Chené, J.-C. Bouret, J. Borissova, J. Groh, S. Ramírez Alegría and D. Minniti

A&A, 627 (2019) A170

Published online: 18 July 2019
Nonthermal emission from the reverse shock of the youngest Galactic supernova remnant G1.9+0.3

R. Brose, I. Sushch, M. Pohl, K. J. Luken, M. D. Filipović and R. Lin

A&A, 627 (2019) A166

Published online: 18 July 2019
Masses and ages for metal-poor stars - A pilot programme combining asteroseismology and high-resolution spectroscopic follow-up of RAVE halo stars

M. Valentini, C. Chiappini, D. Bossini, A. Miglio, G. R. Davies, B. Mosser, Y. P. Elsworth, S. Mathur, R. A. García, L. Girardi et al. (3 more)

A&A, 627 (2019) A173

Published online: 18 July 2019
The need for active region disconnection in 3D kinematic dynamo simulations

T. Whitbread, A. R. Yeates and A. Muñoz-Jaramillo

A&A, 627 (2019) A168

Published online: 18 July 2019

Most downloaded articles

254	Press Release Free Access The CARMENES search for exoplanets around M dwarfs - Two temperate Earth-mass planet candidates around Teegarden’s Star M. Zechmeister, S. Dreizler, I. Ribas, A. Reiners, J. A. Caballero, F. F. Bauer, V. J. S. Béjar, L. González-Cuesta, E. Herrero, S. Lalitha et al. (173 more) A&A, 627 (2019) A49 Published online: 01 July 2019
205	Press Release Free Access A unifying theory of dark energy and dark matter: Negative masses and matter creation within a modified ΛCDM framework J. S. Farnes A&A, 620 (2018) A92 Published online: 05 December 2018
137	Free Access The radio spectral index of the Vela supernova remnant H. Alvarez, J. Aparici, J. May and P. Reich A&A, 372 2 (2001) 636-643 Published online: 15 June 2001
118	Press Release Free Access Detection of orbital motions near the last stable circular orbit of the massive black hole SgrA* GRAVITY Collaboration, R. Abuter, A. Amorim, M. Bauböck, J. P. Berger, H. Bonnet, W. Brandner, Y. Clénet, V. Coudé du Foresto, P. T. de Zeeuw et al. (50 more) A&A, 618 (2018) L10 Published online: 31 October 2018
105	Free Access The electron density structure and kinematics of the supernova remnant N 49 I. A. C. Melnik and M. V. F. Copetti A&A, 553 (2013) A104 Published online: 16 May 2013

Volume 627 (July 2019)(open volume)
1. Simulated magnetic fields (green), X-ray (orange) and radio (blue) emission from the cosmic web (Vazza, F., et al., 627, A5)
2. Sky fields for ESA's planet-hunter satellite PLATO (Marchiori, V., et al., 627, A71)
3. New way of separating X-ray components in Cassiopeia A (Picquenot, A., et al.2019, A&A, 627, A139)
See the table of contents
Volume 626 (June 2019)
1. Centre-to-limb Ellerman bomb visibility in UV continua (Vissers, G. J. M.,626, A4)
2. Magnetic field and temperature during flux emergence (Hansteen, V., et al., 626, A33)
3. How rotation and binarity affect AGB star outflows (Saladino, M. I., et al., 626, A68)
4. Three-dimensional neural tomography of a sunspot (Asensio Ramos, A., & Díaz Baso, C. J., 626, A102)
See the table of contents
Volume 625 (May 2019)
1. Hydrodynamic simulations of NGC 7635's evolution (Green, S., et al., 625, A4)
2. Colliding winds from triple star system (van der Helm, E., et al., 625, A85)
3. Upper Hertzsprung-Russell diagram of the SMC (Ramachandran, V., et al., 625, A104)
4. Dust distribution in planes parallel to the midplane (Z = -300 pc to -50 pc) (Lallement, R., et al., 625, A135)
See the table of contents

956	Press Release Free Access A unifying theory of dark energy and dark matter: Negative masses and matter creation within a modified ΛCDM framework J. S. Farnes A&A, 620 (2018) A92 Published online: 05 December 2018
516	Press Release Free Access Detection of orbital motions near the last stable circular orbit of the massive black hole SgrA* GRAVITY Collaboration, R. Abuter, A. Amorim, M. Bauböck, J. P. Berger, H. Bonnet, W. Brandner, Y. Clénet, V. Coudé du Foresto, P. T. de Zeeuw et al. (50 more) A&A, 618 (2018) L10 Published online: 31 October 2018
497	Press Release Free Access The CARMENES search for exoplanets around M dwarfs - Two temperate Earth-mass planet candidates around Teegarden’s Star M. Zechmeister, S. Dreizler, I. Ribas, A. Reiners, J. A. Caballero, F. F. Bauer, V. J. S. Béjar, L. González-Cuesta, E. Herrero, S. Lalitha et al. (173 more) A&A, 627 (2019) A49 Published online: 01 July 2019
445	Gaia Data Release 2 Free Access Gaia Data Release 2 - The astrometric solution L. Lindegren, J. Hernández, A. Bombrun, S. Klioner, U. Bastian, M. Ramos-Lerate, A. de Torres, H. Steidelmüller, C. Stephenson, D. Hobbs et al. (80 more) A&A, 616 (2018) A2 Published online: 10 August 2018
386	Planck 2015 results Free Access Planck 2015 results - XIII. Cosmological parameters Planck Collaboration, P. A. R. Ade, N. Aghanim, M. Arnaud, M. Ashdown, J. Aumont, C. Baccigalupi, A. J. Banday, R. B. Barreiro, J. G. Bartlett et al. (252 more) A&A, 594 (2016) A13 Published online: 20 September 2016

3936	Press Release Free Access A unifying theory of dark energy and dark matter: Negative masses and matter creation within a modified ΛCDM framework J. S. Farnes A&A, 620 (2018) A92 Published online: 05 December 2018
3341	Press Release Open Access Transit least-squares survey - I. Discovery and validation of an Earth-sized planet in the four-planet system K2-32 near the 1:2:5:7 resonance René Heller, Kai Rodenbeck and Michael Hippke A&A, 625 (2019) A31 Published online: 06 May 2019
1761	Press Release Free Access Detection of orbital motions near the last stable circular orbit of the massive black hole SgrA* GRAVITY Collaboration, R. Abuter, A. Amorim, M. Bauböck, J. P. Berger, H. Bonnet, W. Brandner, Y. Clénet, V. Coudé du Foresto, P. T. de Zeeuw et al. (50 more) A&A, 618 (2018) L10 Published online: 31 October 2018
1538	Gaia Data Release 2 Free Access Gaia Data Release 2 - The astrometric solution L. Lindegren, J. Hernández, A. Bombrun, S. Klioner, U. Bastian, M. Ramos-Lerate, A. de Torres, H. Steidelmüller, C. Stephenson, D. Hobbs et al. (80 more) A&A, 616 (2018) A2 Published online: 10 August 2018
1529	Planck 2015 results Free Access Planck 2015 results - XIII. Cosmological parameters Planck Collaboration, P. A. R. Ade, N. Aghanim, M. Arnaud, M. Ashdown, J. Aumont, C. Baccigalupi, A. J. Banday, R. B. Barreiro, J. G. Bartlett et al. (252 more) A&A, 594 (2016) A13 Published online: 20 September 2016

Latest highlightsAll

Latest volumeAll

PUBLISH WITH A&A

Latest highlightsAll

Latest volumeAll

PUBLISH WITH A&A

Latest special issuesAll

Most downloaded articles

Volume 627 (July 2019)(open volume)

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