X-RAY-EMISSION FROM MAGNETIC CATACLYSMIC VARIABLES AND WHITE-DWARF MASS ESTIMATES

被引：30

作者：

WU, KW

CHANMUGAM, G

SHAVIV, G

机构：

[1] LOUISIANA STATE UNIV, DEPT PHYS & ASTRON, BATON ROUGE, LA 70803 USA

[2] TECHNION ISRAEL INST TECHNOL, DEPT PHYS, IL-32000 HAIFA, ISRAEL

[3] TECHNION ISRAEL INST TECHNOL, ASHER SPACE RES INST, IL-32000 HAIFA, ISRAEL

来源：

ASTROPHYSICAL JOURNAL | 1995年 / 455卷 / 01期

关键词：

ACCRETION; ACCRETION DISKS; HYDRODYNAMICS; STARS; MAGNETIC FIELDS; WHITE DWARFS X-RAYS;

D O I：

10.1086/176574

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have calculated the temperature and density structures of the postshock regions in accreting magnetic white dwarfs and deduced the related X-ray emission. Our calculations show that the X-rays from structured postshock regions with strong magnetic fields are significantly softer than the X-rays from model emission regions, which are assumed to be homogeneous. Inclusion of these effects, and an improved mass-radius relation for white dwarfs, leads to higher white dwarf masses than estimated by Ishida in his recent work.

引用

页码：260 / 268

页数：9

共 53 条

[1] X-RAY-EMISSION REGION OF A WHITE-DWARF WITH ACCRETION [J].