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

Journal Article · Thu Dec 01 00:00:00 EST 2016 · Astronomical Journal (Online)

DOI:https://doi.org/10.3847/0004-6256/152/6/194· OSTI ID:22662916

Lester, Kathryn V.; Gies, Douglas R.; Guo, Zhao ^[1]

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1. Center for High Angular Resolution Astronomy and Department of Physics and Astronomy, Georgia State University, P.O. Box 5060, Atlanta, GA 30302-5060 (United States)

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 pre-main-sequence star with very red color.

• OSTI ID: 22662916
• Journal Information: Astronomical Journal (Online), Vol. 152, Issue 6; Other Information: Country of input: International Atomic Energy Agency (IAEA); ISSN 1538-3881
• Country of Publication: United States
• Language: English

Related Subjects

79 ASTROPHYSICS
COSMOLOGY AND ASTRONOMY
ABSORPTION SPECTRA
APERTURES
AUGER ELECTRON SPECTROSCOPY
BINARY STARS
DIAGRAMS
ECLIPSE
H2 REGIONS
MAIN SEQUENCE STARS
PHOTOMETRY
STAR CLUSTERS
VISIBLE RADIATION