Is HR 2947 a variable?

Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/312

Title:	Is HR 2947 a variable?
Authors:	Kameswara Rao, N Ashok, N. M Kulkarni, P. V
Keywords:	variable stars
Issue Date:	Jun-1981
Publisher:	Astronomical Society of India
Citation:	BASI, Vol. 9, No. 2, pp. 144-150
Abstract:	Observations of HR 2947 show that it is fainter by 0.3 mag in V compared to the magnitude listed by Cowley et al. (1969). The energy distribution from 1565 Armstrong to 1.25 micro is similar to that of a B5 III star and does not indicate presence of any companion. Teff ~ 13500 plus or minus 500 K and log g= 3.5 plus or minus 0.5 are obtained by comparison with the theoretical energy distribution. It is suggested that the light variability, if real, could be due to the formation of a thin gas shell around the star.
URI:	http://hdl.handle.net/2248/312
Appears in Collections:	BASI Publications

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