Luminosity calibration for OB stars from Hipparcos trigonometric parallaxes

被引：3
|
作者：
Loktin, AV [1 ]
Beshenov, GV [1 ]
机构：
[1] Ural State Univ, Astron Observ, Ekaterinburg 620083, Russia
来源：
ASTRONOMY REPORTS | 2001年 / 45卷 / 09期
关键词：
D O I：
10.1134/1.1398920
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Hipparcos trigonometric parallaxes and observational data for open clusters are used to determine the absolute magnitudes M-v of O and B stars of various spectral subtypes and luminosity classes, including those with broadened lines and hydrogen emission lines. The same data are used to derive a relation between M-v and the index beta of the Stromgren photometric system. The resulting calibrations and the spectroscopic-parallax method are used to determine the distances to young open clusters. (C) 2001 MAIK "Naitka/Interperiodica".
引用
收藏
页码：711 / 717
页数：7
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