Free Access to the whole issue
Astronomy & Astrophysics
Volume 550 (February 2013)
Letters
Free Access
The binary Be star δ Scorpii at high spectral and spatial resolution - II. The circumstellar disk evolution after the periastron L5
Published online: 24 January 2013
Free Access
Diffuse interstellar bands in fullerene planetary nebulae: the fullerenes – diffuse interstellar bands connection L6
Published online: 24 January 2013
Free Access
Massive star evolution: luminous blue variables as unexpected supernova progenitors L7
Published online: 25 January 2013
Free Access
Understanding the dynamical structure of pulsating stars: The Baade-Wesselink projection factor of the δ Scuti stars AI Velorum and β Cassiopeiae L10
Published online: 30 January 2013
Free Access
Optical observations of NEA 162173 (1999 JU3) during the 2011-2012 apparition L11
Published online: 04 February 2013
Astrophysical processes
Free Access
The magnetorotational instability as a jet launching mechanism A61
Published online: 25 January 2013
Free Access
X-ray follow-ups of XSS J12270-4859: a low-mass X-ray binary with gamma-ray Fermi-LAT association A89
Published online: 31 January 2013
Free Access
Pulsed high-energy γ-rays from thermal populations in the current sheets of pulsar winds A101
Published online: 01 February 2013
Cosmology (including clusters of galaxies)
Free Access
The galaxy stellar mass function and its evolution with time show no dependence on global environment A58
Published online: 28 January 2013
Free Access
A multi-frequency study of the SZE in giant radio galaxies A92
Published online: 31 January 2013
Free Access
Planck intermediate results - II. Comparison of Sunyaev-Zeldovich measurements from Planck and from the Arcminute Microkelvin Imager for 11 galaxy clusters A128
Published online: 07 February 2013
Free Access
Planck intermediate results - III. The relation between galaxy cluster mass and Sunyaev-Zeldovich signal A129
Published online: 07 February 2013
Free Access
Planck intermediate results - IV. The XMM-Newton validation programme for new Planck galaxy clusters A130
Published online: 07 February 2013
Free Access
Planck intermediate results - V. Pressure profiles of galaxy clusters from the Sunyaev-Zeldovich effect A131
Published online: 07 February 2013
Free Access
Planck intermediate results - VI. The dynamical structure of PLCKG214.6+37.0, a Planck discovered triple system of galaxy clusters A132
Published online: 07 February 2013
Free Access
Planck intermediate results - VII. Statistical properties of infrared and radio extragalactic sources from the Planck Early Release Compact Source Catalogue at frequencies between 100 and 857 GHz A133
Published online: 07 February 2013
Free Access
Planck intermediate results - VIII. Filaments between interacting clusters A134
Published online: 07 February 2013
Extragalactic astronomy
Free Access
Measurement of the extragalactic background light imprint on the spectra of the brightest blazars observed with H.E.S.S. A4
Published online: 15 January 2013
Free Access
Population gradients and photometric metallicities in early- and transition-type dwarf galaxies: Clues from the Sculptor group A7
Published online: 17 January 2013
Free Access
The excitation of near-infrared H2 emission in NGC 253 A12
Published online: 18 January 2013
Free Access
An XMM-Newton search for X-ray sources in the Fornax dwarf galaxy A18
Published online: 18 January 2013
Free Access
Excited OH+, H2O+, and H3O+ in NGC 4418 and Arp 220 A25
Published online: 18 January 2013
Free Access
Gas fraction and star formation efficiency at z < 1.0 A41
Published online: 23 January 2013
Free Access
Fermi-LAT and Suzaku observations of the radio galaxy Centaurus B A66
Published online: 28 January 2013
Free Access
On the multiplicity of supernovae within host galaxies A69
Published online: 29 January 2013
Free Access
Variability and the X-ray/UV ratio of active galactic nuclei - II. Analysis of a low-redshift Swift sample A71
Published online: 29 January 2013
Free Access
Compact sources in the Bologna Complete Sample: high-resolution VLA observations and optical data A76
Published online: 29 January 2013
Free Access
Piecing together the puzzle of NGC 5253: abundances, kinematics and WR stars A88
Published online: 01 February 2013
Free Access
Anomalies in low-energy gamma-ray burst spectra with the Fermi Gamma-ray Burst Monitor A102
Published online: 04 February 2013
Free Access
Kinematics of the compact symmetric object OQ 208 revisited A113
Published online: 04 February 2013
Free Access
Integrated spectroscopy of the Herschel Reference Survey - The spectral line properties of a volume-limited, K-band-selected sample of nearby galaxies A114
Published online: 04 February 2013
Free Access
The role of cold gas and environment on the stellar mass-metallicity relation of nearby galaxies A115
Published online: 04 February 2013
Galactic structure, stellar clusters and populations
Open Access
Kinematic imprint of clumpy disk formation on halo objects A11
Published online: 18 January 2013
Free Access
An aluminium tool for multiple stellar generations in the globular clusters 47 Tucanae and M 4 A34
Published online: 22 January 2013
Free Access
The VLT-FLAMES Tarantula Survey - VIII. Multiplicity properties of the O-type star population A107
Published online: 04 February 2013
Free Access
Characterisation of the Galactic thin disc with CoRoT targets A125
Published online: 06 February 2013
Interstellar and circumstellar matter
Free Access
A complete model of CH+ rotational excitation including radiative and chemical pumping processes A8
Published online: 18 January 2013
Free Access
The distribution of warm gas in the G327.3–0.6 massive star-forming region A10
Published online: 18 January 2013
Free Access
Different evolutionary stages in massive star formation - Centimeter continuum and H2O maser emission with ATCA A21
Published online: 21 January 2013
Free Access
The clump mass function of the dense clouds in the Carina nebula complex A29
Published online: 21 January 2013
Free Access
Water deuterium fractionation in the high-mass hot core G34.26+0.15 A37
Published online: 23 January 2013
Free Access
CH3OCH3 in Orion-KL: a striking similarity with HCOOCH3 A46
Published online: 23 January 2013
Free Access
Feedback by massive stars and the emergence of superbubbles - I. Energy efficiency and Vishniac instabilities A49
Published online: 24 January 2013
Free Access
Ionisation impact of high-mass stars on interstellar filaments - A Herschel study of the RCW 36 bipolar nebula in Vela C A50
Published online: 24 January 2013
Free Access
Carbon fractionation in photo-dissociation regions A56
Published online: 24 January 2013
Free Access
Herschel/HIFI observations of [C II] and [13C II] in photon-dominated regions A57
Published online: 24 January 2013
Free Access
Evidence of an asymmetrical Keplerian disk in the Brγ and He I emission lines around the Be star HD 110432 A65
Published online: 28 January 2013
Free Access
The abundance of HCN in circumstellar envelopes of AGB stars of different chemical type A78
Published online: 30 January 2013
Free Access
Calibrating Milky Way dust extinction using cosmological sources A80
Published online: 30 January 2013
Free Access
SiO collimated outflows driven by high-mass YSOs in G24.78+0.08 A81
Published online: 30 January 2013
Free Access
Star formation, structure, and formation mechanism of cometary globules: near-infrared observations of CG 1 and CG 2 A83
Published online: 30 January 2013
Free Access
The Milky Way halo as a QSO absorption-line system - New results from an HST/STIS absorption-line catalogue of Galactic high-velocity clouds A87
Published online: 01 February 2013
Free Access
The chemistry of ions in the Orion Bar I. – CH+, SH+, and CF+ - The effect of high electron density and vibrationally excited H2 in a warm PDR surface A96
Published online: 31 January 2013
Free Access
Low-velocity shocks: signatures of turbulent dissipation in diffuse irradiated gas A106
Published online: 04 February 2013
Free Access
The VLT-FLAMES Tarantula Survey - IX. The interstellar medium seen through diffuse interstellar bands and neutral sodium A108
Published online: 04 February 2013
Free Access
Molecular clumps and star formation associated with the infrared dust bubble N131 A117
Published online: 05 February 2013
Free Access
On the potential of the Cherenkov Telescope Array for the study of cosmic-ray diffusion in molecular clouds A123
Published online: 05 February 2013
Free Access
Water ice deuteration: a tracer of the chemical history of protostars A127
Published online: 06 February 2013
Free Access
The thermal state of molecular clouds in the Galactic center: evidence for non-photon-driven heating A135
Published online: 07 February 2013
Stellar structure and evolution
Free Access
HD 165246: an early-type binary with a low mass ratio A2
Published online: 15 January 2013
Free Access
Insights into thermonuclear supernovae from the incomplete Si-burning process A24
Published online: 21 January 2013
Free Access
A spectroscopic investigation of the O-type star population in four Cygnus OB associations - I. Determination of the binary fraction A27
Published online: 18 January 2013
Free Access
Constraining magnetic-activity modulations in three solar-like stars observed by CoRoT and NARVAL A32
Published online: 21 January 2013
Free Access
Modeling the X-ray light curves of Cygnus X-3 - Possible role of the jet A48
Published online: 23 January 2013
Free Access
The multiplicity of massive stars in the Orion Nebula Cluster as seen with long-baseline interferometry A82
Published online: 30 January 2013
Free Access
Magnetic field topology of the RS CVn star II Pegasi A84
Published online: 31 January 2013
Free Access
A new look at the long-period eclipsing binary V383 Scorpii A93
Published online: 31 January 2013
Free Access
Nonlinear simulations explaining Ap star magnetic fields by instability remnants A94
Published online: 31 January 2013
Free Access
Deflagration-to-detonation transition by amplification of acoustic waves in type Ia supernovae A105
Published online: 04 February 2013
Free Access
The VLT-FLAMES Tarantula Survey - X. Evidence for a bimodal distribution of rotational velocities for the single early B-type stars A109
Published online: 04 February 2013
Free Access
Variable pulse profiles of Hercules X-1 repeating with the same irregular 35 d clock as the turn-ons A110
Published online: 04 February 2013
Free Access
Is the bowshock of the runaway massive star HD 195592 a Fermi source? A112
Published online: 04 February 2013
Free Access
γ Doradus pulsation in two pre-main sequence stars discovered by CoRoT A121
Published online: 05 February 2013
Free Access
Asymptotic and measured large frequency separations A126
Published online: 06 February 2013
Stellar atmospheres
Free Access
Variability of a stellar corona on a time scale of days - Evidence for abundance fractionation in an emerging coronal active region A22
Published online: 18 January 2013
Free Access
Astrophysical tests of atomic data important for the stellar Mg abundance determinations A28
Published online: 21 January 2013
Free Access
The X-ray spectrum of δ Orionis observed by LETGS aboard Chandra A55
Published online: 24 January 2013
Free Access
Catching the fish – Constraining stellar parameters for TX Piscium using spectro-interferometric observations A86
Published online: 31 January 2013
Free Access
The 2.35 year itch of Cygnus OB2 #9 - II. Radio monitoring A90
Published online: 01 February 2013
Free Access
Convective line shifts for the Gaia RVS from the CIFIST 3D model atmosphere grid A103
Published online: 04 February 2013
Free Access
3D radiative transfer effects in parametrized starspots A104
Published online: 04 February 2013
Free Access
First stars - XVI. HST/STIS abundances of heavy elements in the uranium-rich metal-poor star CS 31082-001 A122
Published online: 05 February 2013
The Sun
Free Access
Radio fiber bursts and fast magnetoacoustic wave trains A1
Published online: 15 January 2013
Free Access
Does spacecraft trajectory strongly affect detection of magnetic clouds? A3
Published online: 15 January 2013
Free Access
The chaotic solar cycle - II. Analysis of cosmogenic 10Be data A6
Published online: 17 January 2013
Free Access
Full-disk nonlinear force-free field extrapolation of SDO/HMI and SOLIS/VSM magnetograms A14
Published online: 18 January 2013
Free Access
Spectral diagnostic of a microflare. Evidences of resonant scattering in C IV 1548 Å, 1550 Å lines A16
Published online: 18 January 2013
Free Access
Nanoflare statistics in an active region 3D MHD coronal model A30
Published online: 21 January 2013
Free Access
Coronal heating by the partial relaxation of twisted loops A40
Published online: 23 January 2013
Free Access
On the asymmetry of velocity oscillation amplitude in bipolar active regions A47
Published online: 23 January 2013
Free Access
Effect of turbulent density-fluctuations on wave-particle interactions and solar flare X-ray spectra A51
Published online: 24 January 2013
Free Access
Dielectronic satellite lines and double layers in solar flares A60
Published online: 25 January 2013
Free Access
Anomalous resistivity in beam-return currents and hard-X ray spectra of solar flares A63
Published online: 25 January 2013
Free Access
The velocity field of sunspot penumbrae - II. Return flow and magnetic fields of opposite polarity A97
Published online: 01 February 2013
Free Access
Inferring the magnetic field vector in the quiet Sun - III. Disk variation of the Stokes profiles and isotropism of the magnetic field A98
Published online: 01 February 2013
Free Access
On the relation between continuum brightness and magnetic field in solar active regions A118
Published online: 05 February 2013
Free Access
Evidence for partial Taylor relaxation from changes in magnetic geometry and energy during a solar flare A119
Published online: 05 February 2013
Planets and planetary systems
Free Access
Surface composition and dynamical evolution of two retrograde objects in the outer solar system: 2008 YB3 and 2005 VD A13
Published online: 21 January 2013
Free Access
Exploring the nature of new main-belt comets with the 10.4 m GTC telescope: (300163) 2006 VW139 A17
Published online: 18 January 2013
Free Access
Determination of atmospheric velocity of bright meteors on the basis of high-resolution light curves A31
Published online: 21 January 2013
Free Access
Influence of viscosity and the adiabatic index on planetary migration A52
Published online: 24 January 2013
Free Access
Circumstellar disks do erase the effects of stellar flybys on planetary systems A64
Published online: 25 January 2013
Free Access
Secondary eclipses in the CoRoT light curves - A homogeneous search based on Bayesian model selection A67
Published online: 28 January 2013
Free Access
Dust mantle of comet 9P/Tempel 1: dynamical constraints on physical properties A72
Published online: 29 January 2013
Free Access
Impact of stellar companions on precise radial velocities A75
Published online: 29 January 2013
Free Access
Chaotic diffusion caused by close encounters with several massive asteroids - II. The regions of (10) Hygiea, (2) Pallas, and (31) Euphrosyne A85
Published online: 31 January 2013
Celestial mechanics and astrometry
Free Access
Electron density distribution and solar plasma correction of radio signals using MGS, MEX, and VEX spacecraft navigation data and its application to planetary ephemerides A124
Published online: 05 February 2013
Atomic, molecular, and nuclear data
Free Access
Erratum
New effective recombination coefficients for nebular N ii lines (Corrigendum) C2
Published online: 31 January 2013
Astronomical instrumentation
Free Access
F-VIPGI: a new adapted version of VIPGI for FORS2 spectroscopy - Application to a sample of 16 X-ray selected galaxy clusters at 0.6 ≤ z ≤ 1.2 A9
Published online: 18 January 2013
Free Access
Self-calibration: an efficient method to control systematic effects in bolometric interferometry A59
Published online: 28 January 2013
Free Access
Extracting interstellar diffuse absorption bands from cool star spectra - Application to bulge clump giants in Baade’s window A62
Published online: 28 January 2013
Free Access
Sparse component separation for accurate cosmic microwave background estimation A73
Published online: 29 January 2013
Free Access
Initial deep LOFAR observations of epoch of reionization windows - I. The north celestial pole A136
Published online: 07 February 2013
Catalogs and data
Free Access
Spectroscopic atlas of Hα and Hβ in a sample of northern Be stars A79
Published online: 30 January 2013
Free Access
Improved variability classification of CoRoT targets with Giraffe spectra A120
Published online: 05 February 2013
Free Access
Erratum
Submillimetre photometry of 323 nearby galaxies from the Herschel Reference Survey (Corrigendum) C1
Published online: 31 January 2013
Numerical methods and codes
Free Access
BINSTAR: a new binary stellar evolution code - Tidal interactions A100
Published online: 01 February 2013