A YOUNG ECLIPSING BINARY AND ITS LUMINOUS NEIGHBORS IN THE EMBEDDED STAR CLUSTER Sh 2-252E

被引：1

作者：

Lester, Kathryn V. ^{[1
]}

Gies, Douglas R.

Guo, Zhao

机构：

[1] Georgia State Univ, Ctr High Angular Resolut Astron, POB 5060, Atlanta, GA 30302 USA

来源：

ASTRONOMICAL JOURNAL | 2016年 / 152卷 / 06期

基金：

美国国家科学基金会;

关键词：

binaries: eclipsing; open clusters and associations: individual (Sh 2-252E); stars: massive; stars: pre-main-sequence; stars: variables: T Tauri; Herbig Ae/Be; MAIN-SEQUENCE STARS; MODEL ATMOSPHERES; MASSIVE STARS; PHOTOMETRY; VELOCITIES; NGC-2175; SH2-252; MISSION; GIANTS; NEBULA;

D O I：

10.3847/0004-6256/152/6/194

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a photometric and light curve analysis of an eccentric eclipsing binary in the K2 Campaign 0 field, which resides in Sh 2-252E, a young star cluster embedded in an H II region. We describe a spectroscopic investigation of the three brightest stars in the crowded aperture to identify which is the binary system. We find that none of these stars are components of the eclipsing binary system, which must be one of the fainter nearby stars. These bright cluster members all have remarkable spectra: Sh. 2-252a (EPIC 202062176) is a B0.5. V star with razor sharp absorption lines, Sh. 2-252b is a Herbig A0 star with disk-like emission lines, and Sh 2-252c is a premain-sequence star with very red color.

引用

页数：9

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