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Title:
KBS 13 -- a Rare Reflection Effect sdB Binary with an M Dwarf Secondary
Authors:
For, B.-Q.; Edelmann, H.; Green, E. M.; Drechsel, H.; Nesslinger, S.; Fontaine, G.
Publication:
Hot Subdwarf Stars and Related Objects ASP Conference Series, Vol. 392, Proceedings of the conference held 23-27 July, 2007, at Otto-Friedrich-Universität, Bamberg, Germany. Edited by Ulrich Heber, C. Simon Jeffery, and Ralf Napiwotzki., p.203
Publication Date:
00/2008
Origin:
ASP
Bibliographic Code:
2008ASPC..392..203F

Abstract

We report preliminary VRI differential photometric and spectroscopic results for KBS 13, a recently discovered non-eclipsing sdB+dM system. Radial velocity measurements indicate an orbital period of 0.2923 ± 0.0004 days with a semi-amplitude velocity of 22.82 ± 0.23 km s-1. This suggests the smallest secondary minimum mass yet found. We discuss the distribution of orbital periods and secondary minimum masses for other similar systems.
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