2 papers
astro-ph1998
Horizontal-Branch Stars: Their nature and their absolute magnitude
Klaas S. de Boer
Horizontal-branch stars play an important role in defining the absolute distance scale in the universe. For that one has to know Mv at relevant B-V with well defined [M/H] for each…
astro-ph1997
Hot subdwarf stars - galactic orbits and distribution perpendicular to the plane
K. S. de Boer, Y. Aguilar Sanchez, M. Altmann +4
The spatial distribution and the population nature of subdwarf B type stars in the galaxy is investigated based on the kinematics of these stars. The orbits of 41 stars have been c…