The EXOTIME project: a status report on PG 1325+101 (QQ Vir)

Details The EXOTIME project: a status report on PG 1325+101 (QQ Vir) The EXOTIME project: a status report on PG 1325+101 (QQ Vir)

2010-12-03

arxiv.org/abs/1012.0747v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

Proceedings of the 4th HELAS Conference (Lanzarote, 1-5 Feb. 2010), Astron. Nachrichten, in press

Scientific paper

After the discovery of V391 Peg b, the first planet detected around a post Red Giant phase star (Silvotti et al. 2007), the EXOTIME (EXOplanet search with the TIming MEthod) project is focused on the search for new planets with similar characteristics. The aim of the project is to organize a global observing network to collect as much data as possible for a sample of five subdwarf B (sdB) stars and share them in order to obtain a more precise analysis. These evolved pulsators may have extremely regular oscillation periods. This feature makes these stars suitable to search for planetary companions with the timing method as in the case of pulsars. In this contribution we present the project and some preliminary results for the star PG 1325+101 (QQ Vir) after the first two years of activity.

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