Buscar
Mostrando ítems 1-10 de 1351
Photometric and spectroscopic variations of the Be star HD 112999
(Konkoly Observatory, 2013-06)
Be objects are stars of B spectral type showing lines of the Balmer series in emission. The presence of these lines is attributed to the existence of an extended envelope, disk type, around them. Some stars are observed ...
A catalog of rotational and radial velocities for evolved stars
(Astronomy & Astrophysics, 2014)
Spectroscopic metallicities of Vega-like stars
(EDP Sciences, 2008-10)
Aims. We aim to determine the metallicities of 113 Southern Hemisphere Vega-like candidate stars in relation to the giant exoplanet host group and field stars. Methods. We applied two spectroscopic methods of abundance ...