Physical characterization of Galactic O-type stars targeted by the IACOB and OWN surveys
G. Holgado, S. Sim\'on-D\'iaz, R. H. Barb\'a
TL;DR
This paper provides a comprehensive spectroscopic analysis of 266 Galactic O-type stars from the IACOB and OWN surveys, assessing their physical properties and the current state of distance measurements from Hipparcos and Gaia.
Contribution
It presents the largest homogeneous spectroscopic analysis of Galactic O-type stars and evaluates the accuracy of current distance data from Hipparcos and Gaia.
Findings
Largest sample of O-type stars analyzed homogeneously
Initial results on physical parameters of these stars
Assessment of distance measurement reliability
Abstract
We present first results from the quantitative spectroscopic analysis of 266 Galactic O-type stars targeted by the IACOB and OWN surveys (implying the largest sample of stars of this type analyzed homogeneously). We also evaluate what is the present situation regarding available information about distances, as provided by the Hipparcos and Gaia missions.
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Taxonomy
TopicsAstronomy and Astrophysical Research · Stellar, planetary, and galactic studies · Astronomical Observations and Instrumentation