2016AJ....152..194L


Query : 2016AJ....152..194L

2016AJ....152..194L - Astron. J., 152, 194-194 (2016/December-0)

A young eclipsing binary and its luminous neighbors in the embedded star cluster Sh 2-252E.

LESTER K.V., GIES D.R. and GUO Z.

Abstract (from CDS):

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.

Abstract Copyright: © 2016. The American Astronomical Society. All rights reserved.

Journal keyword(s): binaries: eclipsing - open clusters and associations: individual: Sh 2-252E - stars: massive - stars: pre-main sequence - stars: variables: T Tauri, Herbig Ae/Be - stars: variables: T Tauri, Herbig Ae/Be

Simbad objects: 10

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Number of rows : 10
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026
#notes
1 NGC 2175 OpC 06 09 39 +20 29.2   7.0 6.8     ~ 270 3
2 HD 42088 * 06 09 39.5728368936 +20 29 15.450599580 6.73 7.58 7.57 8.45   O6V((f))z 257 0
3 NGC 2174 HII 06 09.7 +20 30           ~ 24 1
4 2MASS J06095168+2030061 Em* 06 09 51.6572355288 +20 30 06.196582656     15.1     ~ 3 0
5 2MASS J06095246+2030029 Y*? 06 09 52.4630594496 +20 30 03.014424576           ~ 2 0
6 UCAC4 553-022951 EB* 06 09 52.6325834016 +20 30 16.377020064 10.85 11.42 11.00 11.05   B1V 13 0
7 2MASS J06095278+2030106 * 06 09 52.7766726168 +20 30 10.552612104           ~ 1 0
8 SH 2-252 E HII 06 09 53 +20 30.3           ~ 11 0
9 2MASS J06095300+2030011 * 06 09 53.0113647048 +20 30 01.064505852           ~ 1 0
10 * tau Sco * 16 35 52.9528530 -28 12 57.661515 1.55 2.56 2.81 2.93 3.18 B0V 959 0

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