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delta Scuti stars <Teff>-{nu}max relation
CoRoT and Kepler high-precision photometric data allowed the detection and characterization of the oscillation parameters in stars other than the Sun. Moreover, thanks to the... -
New massive members of Cygnus OB2
The Cygnus complex is one of the most powerful star forming regions at a close distance from the Sun (~1.4kpc). Its richest OB association Cygnus OB2 is known to harbor many... -
3D correction in 5 photometric systems
The atmospheres of cool stars are temporally and spatially inhomogeneous due to the effects of convection. The influence of this inhomogeneity, referred to as granulation, on... -
ATLASGAL massive clumps H_2_CO data
Formaldehyde (H_2_CO) is a reliable tracer to accurately measure the physical parameters of dense gas in star-forming regions. We aim to determine directly the kinetic... -
Distance to the clouds in Chamaeleon complex
The determination of the distance to dark star-forming clouds is a key parameter to derive the properties of the cloud itself, and of its stellar content. This parameter is... -
Stellar parameters of Be stars with X-shooter
The X-shooter archive of several thousand telluric star spectra was skimmed for Be and Be-shell stars to derive the stellar fundamental parameters and statistical properties, in... -
Surface rotation of Kepler red giant stars
Kepler allows the measurement of starspot variability in a large sample of field red giants for the first time. With a new method that combines autocorrelation and wavelet... -
Temperature evolution in massive clumps
Observational identification of a solid evolutionary sequence for high-mass star-forming regions is still missing. Spectroscopic observations give the opportunity to test... -
Gaia-ESO Survey: Cha I members
Investigating the physical mechanisms driving the dynamical evolution of young star clusters is fundamental to our understanding of the star formation process and the properties... -
VLTS. Properties of O dwarf in 30 Dor
The VLT-FLAMES Tarantula Survey has observed hundreds of O-type stars in the 30 Doradus region of the Large Magellanic Cloud (LMC). We study the properties of 105 apparently... -
GES iDR4 Mg-Al anticorrelation in GCs
We use Gaia-ESO Survey iDR4 data to explore the Mg-Al anti-correlation in globular clusters, that were observed as calibrators, as a demonstration of the quality of Gaia-ESO... -
South Ecliptic Pole stars radial velocities
We present an initial overview of the targets to be found in the 1-square-degree SEP region that was observed repeatedly by Gaia ever since its commissioning. In our... -
LAMOST-Kepler parameters and activity indicators
A comprehensive and homogeneous determination of stellar parameters for the stars observed by the Kepler space telescope is necessary for statistical studies of their... -
Differential rotation in solar-like stars
Surface differential rotation (SDR) plays a key role in dynamo models and determines a lower limit on the accuracy of stellar rotation period measurements. SDR estimates are... -
Gaia-ESO Survey. Parameters for cluster members
The nature of the metallicity gradient inside the solar circle (R_GC_<8kpc) is poorly understood, but studies of Cepheids and a small sample of open clusters suggest that it... -
Solar twins in the ELODIE archive
A large dataset of ~2800 spectra extracted from the ELODIE archive was analysed in order to find solar twins. Stellar spectra closely resembling the spectrum of the Sun were... -
PTPS stars. III. The evolved stars sample
We present the complete spectroscopic analysis of 455 stars observed within the Penn State - Torun Centre for Astronomy Planet Search (PTPS) with the High Resolution... -
Exoplanet hosts/field stars age consistency
Transiting planets around stars are discovered mostly through photometric surveys. Unlike radial velocity surveys, photometric surveys do not tend to target slow rotators,... -
GIRAFFE Inner Bulge Survey (GIBS). II.
We investigate metallicity and {alpha}-element abundance gradients along a Galactic longitude strip, at latitude b~-4{deg}, with the aim of providing observational constraints... -
O abundances from HARPS in F-G stars
We present a detailed and uniform study of oxygen abundance from two different oxygen lines at 6158{AA} and 6300{AA} in a large sample of solar-type stars. The results are used...
