Free Access to the whole issue

Astronomy & Astrophysics

Volume 647 (March 2021)


Export the citation of the selected articles Export
Select all

First science highlights from SRG/eROSITA

Press Release
Free Access

The Abell 3391/95 galaxy cluster system - A 15 Mpc intergalactic medium emission filament, a warm gas bridge, infalling matter clumps, and (re-) accelerated plasma discovered by combining SRG/eROSITA data with ASKAP/EMU and DECam data A2

DOI: https://doi.org/10.1051/0004-6361/202039590

Letters to the Editor

Astrophysical processes

Cosmology (including clusters of galaxies)

Press Release
Free Access

A new measurement of the Hubble constant using Type Ia supernovae calibrated with surface brightness fluctuations A72

DOI: https://doi.org/10.1051/0004-6361/202039196

Extragalactic astronomy

Free Access

The Fornax Deep Survey (FDS) with the VST - XI. The search for signs of preprocessing between the Fornax main cluster and Fornax A group A100

DOI: https://doi.org/10.1051/0004-6361/202039633
Free Access

The survey of planetary nebulae in Andromeda (M 31) - III. Constraints from deep planetary nebula luminosity functions on the origin of the inner halo substructures in M 31 A130

DOI: https://doi.org/10.1051/0004-6361/202038366
Open Access

The Tully-Fisher relation in dense groups at z ∼ 0.7 in the MAGIC survey A152

DOI: https://doi.org/10.1051/0004-6361/202038818

Galactic structure, stellar clusters and populations

Free Access

Blanco DECam Bulge Survey (BDBS) - III. A new view of the double red clump in the Milky Way bulge through luminosity and color distribution A34

DOI: https://doi.org/10.1051/0004-6361/202039955
Highlight
Free Access

APOGEE discovery of a chemically atypical star disrupted from NGC 6723 and captured by the Milky Way bulge A64

DOI: https://doi.org/10.1051/0004-6361/202040255

Interstellar and circumstellar matter

Free Access

Dust polarized emission observations of NGC 6334 - BISTRO reveals the details of the complex but organized magnetic field structure of the high-mass star-forming hub-filament network A78

DOI: https://doi.org/10.1051/0004-6361/202038624
Free Access

The prebiotic molecular inventory of Serpens SMM1 - I. An investigation of the isomers CH3NCO and HOCH2CN A87

DOI: https://doi.org/10.1051/0004-6361/202039619

Stellar structure and evolution

Free Access

Evolved massive stars at low-metallicity - IV. Using the 1.6 μm H-bump to identify red supergiant stars: Case study of NGC 6822 A167

DOI: https://doi.org/10.1051/0004-6361/202039596

Stellar atmospheres

The Sun and the Heliosphere

Planets and planetary systems

Free Access

A survey of the linear polarization of directly imaged exoplanets and brown dwarf companions with SPHERE-IRDIS - First polarimetric detections revealing disks around DH Tau B and GSC 6214-210 B A21

DOI: https://doi.org/10.1051/0004-6361/202039290
Free Access

Precise radial velocities of giant stars - XV. Mysterious nearly periodic radial velocity variations in the eccentric binary ε Cygni A160

DOI: https://doi.org/10.1051/0004-6361/202040087

Celestial mechanics and astrometry

Atomic, molecular, and nuclear data

Astronomical instrumentation

Free Access

Optical-to-NIR magnitude measurements of the Starlink LEO Darksat satellite and effectiveness of the darkening treatment A54

DOI: https://doi.org/10.1051/0004-6361/202039364

Catalogs and data

Free Access

The OTELO survey as a morphological probe. Last ten Gyr of galaxy evolution - The mass–size relation up to z = 2 A89

DOI: https://doi.org/10.1051/0004-6361/202037861

Numerical methods and codes

Open Access

S2D2: Small-scale Significant substructure DBSCAN Detection - I. NESTs detection in 2D star-forming regions A14

DOI: https://doi.org/10.1051/0004-6361/202038123