1999A&A...346...87H


Query : 1999A&A...346...87H

1999A&A...346...87H - Astronomy and Astrophysics, volume 346, 87-90 (1999/6-1)

BD+61°2213: an interesting ellipsoidal or eclipsing variable in the open cluster NGC 7160.

HARMANEC P., BOZIC H., EENENS P. and ZIZNOVSKY J.

Abstract (from CDS):

Light variability of BD+61°2213, first suspected more than 20 years ago, is confirmed on the basis of observations from three observatories. The light of BD+61°2213 apparently varies with a period of 1.2028251d and a double-wave light curve. Five available radial velocities of the star also define a large-amplitude curve with the same period. The star is, therefore, a binary as suspected earlier. We conclude, however, that it is more probably an ellipsoidal variable than an eclipsing binary. Its further spectral and photometric monitoring is desirable, especially since an accurate detemination of its physical elements could also improve the knowledge of the distance of the NGC 7160 cluster.

Abstract Copyright:

Journal keyword(s): stars: binaries: close - stars: binaries: eclipsing - stars: binaries: spectroscopic - stars: individual: BD+61 2213 - Galaxy: open clusters and associations: individual: NGC 7160

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 HD 208218 * 21 52 35.1450252744 +62 42 43.819015428 6.3 6.894 6.708     B1III 66 0
2 V* V497 Cep EB* 21 53 26.5461900984 +62 35 13.154096904   9.16 8.98     B3V+B5V 39 0
3 NGC 7160 OpC 21 53 48 +62 35.3   6.34 6.1     ~ 218 0
4 HD 208440 * 21 53 53.2978442568 +62 36 00.753455268 7.24 7.93 7.91     B1V 91 0

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2022.05.22-06:25:47

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