SW Lacertae - a quadruple system

Panchatsaram, T. ; Abhyankar, K. D. (1981) SW Lacertae - a quadruple system Bulletin of the Astronomical Society of India, 9 . pp. 31-39. ISSN 0304-9523

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Orbital period study using photoelectric times of minima of SW Lac reveals that the period change is caused by the orbital motion of a triple system around a fourth body. The orbital periods of the third and the fourth body are 19.67yr and 70.25 yr respectively, and their masses are close to 1 M each.

Item Type:Article
Source:Copyright of this article belongs to Astronomical Society of India.
Keywords:SW Lac; Multiple Star Systems
ID Code:24127
Deposited On:29 Nov 2010 10:23
Last Modified:17 May 2016 07:52

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