Spectroscopy of the candidate pre-CV LTT 560

Details Spectroscopy of the candidate pre-CV LTT 560 Spectroscopy of the candidate pre-CV LTT 560

2006-01-03

arxiv.org/abs/astro-ph/0601046v1

Astronomy and Astrophysics

Astrophysics

4 pages, 3 figures, Proceedings of a poster presentation at the Conference on "Close Binaries in the 21st Century: New Opportu

Scientific paper

10.1007/s10509-006-9136-6

We present preliminary results on spectroscopic data of the candidate pre-cataclysmic variable LTT 560. A fit to the flux-calibrated spectrum reveals the temperature of the white-dwarf primary to be T_eff = 7000 - 7500 K, and confirms the result of previous studies on the detection of an M5V secondary star. The analysis of radial velocity data from spectral features attributed to the primary and the secondary star shows evidence for low-level accretion.

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