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A test field for Gaia. Radial velocity catalogue of stars in the South Ecliptic Pole
Y. Frémat, M. Altmann, E. Pancino +25
Gaia is a space mission currently measuring the five astrometric parameters as well as spectrophotometry of at least 1 billion stars to G = 20.7 mag with unprecedented precision. T…
Physical parameters of IPHAS-selected classical Be stars. (I. Determination procedure and evaluation of the results.)
L. Gkouvelis, J. Fabregat, J. Zorec +5
We present a semi-automatic procedure to obtain fundamental physical parameters and distances of classical Be (CBe) stars, based on the Barbier-Chalonge-Divan (BCD) spectrophotomet…
Luminous blue variables: An imaging perspective on their binarity and near environment
Christophe Martayan, Alex Lobel, Dietrich Baade +18
Context. Luminous blue variables (LBVs) are rare massive stars with very high luminosity. They are characterized by strong photo-metric and spectroscopic variability related to tra…