The orbital period of BK Lyncis (PG 0917+342)

被引：18

作者：

Ringwald, FA

Thorstensen, JR

Honeycutt, RK

Robertson, JW

机构：

[1] UNIV KEELE, DEPT PHYS, KEELE ST5 5BG, STAFFS, ENGLAND

[2] DARTMOUTH COLL, DEPT PHYS & ASTRON, HANOVER, NH 03755 USA

[3] INDIANA UNIV, DEPT ASTRON, BLOOMINGTON, IN 47405 USA

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 1996年 / 278卷 / 01期

关键词：

binaries; spectroscopic; stars; individual; BK Lyn; PG; 0917; 342; novae; cataclysmic variables;

D O I：

10.1093/mnras/278.1.125

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Long-term light curves of the cataclysmic variable BK Lyn = PG 0917 + 342 from the Indiana Automated CCD photometric telescope ('RoboScope') and the Harvard College Observatory plate archive reveal no dwarf nova outbursts. Two radial velocity studies show its orbital period to be 107.97 +/- 0.07 min, confirming that it does have an orbital period shorter than the period gap for cataclysmic variables. Whether this is the first nova-like variable below the period gap or a dwarf nova with rare outbursts resembling WZ Sge is still unclear, however.

引用

页码：125 / 131

页数：7

共 42 条

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[Anonymous], NUMERICAL RECIPES FO

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