ANALYSIS OF THE IUE SATELLITE AND THE GROUND-BASED OBSERVATIONS OF SW LACERTAE

被引：4
|
作者：
JEONG, JH
KANG, YW
LEE, WB
SUNG, EC
机构：
[1] SEJONG UNIV, DEPT EARTH SCI, SEOUL 133747, SOUTH KOREA
[2] KOREA RES INST STAND, KOREA ASTRON OBSERV, TAEJON 305648, SOUTH KOREA
来源：
ASTROPHYSICAL JOURNAL | 1994年 / 421卷 / 02期
关键词：
BINARIES; ECLIPSING; STARS; INDIVIDUAL (SW LACERTAE); ULTRAVIOLET;
D O I：
10.1086/173690
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present UBV observations of SW Lacertae obtained in 1988. We classify all previous light curves into three groups according to their maxima. The IUE spectra of SW Lacertae are used for ultraviolet photometry and for a variation study of chromospheric activity. Five light curves between the wavelengths of 2600 Angstrom and 3100 Angstrom are made from the low-dispersion IUE spectra. We have analyzed the UBV light curves and five IUE light curves independently by the modified differential correction method of Wilson and Devinney. Evidence of chromospheric activity is indicated by the intensity variation of the Mg II emission line with orbital phase.
引用
收藏
页码：779 / 786
页数：8
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