The EXOTIME targets HS0702+6043 and HS0444+0458

Details The EXOTIME targets HS0702+6043 and HS0444+0458 The EXOTIME targets HS0702+6043 and HS0444+0458

2010-12-03

arxiv.org/abs/1012.0775v1

AIP Conference Proceedings, Volume 1331, pp. 155-162 (2011)

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

Part of PlanetsbeyondMS/2010 proceedings http://arxiv.org/html/1011.6606v1

Scientific paper

10.1063/1.3570968

Pulsations in subdwarf B (sdB) stars are an important tool to constrain the evolutionary status of these evolved objects. Interestingly, the same data used for this asteroseismological approach can also be used to search for substellar companions around these objects by analyzing the timing of the pulsations by means of a so-called O-C diagram. Substellar objects around sdB stars are important for two different reasons: they are suspected to be able to influence the evolution of their host-star and they are an ideal test case to examine the properties of exoplanets which have survived the red giant expansion of their host stars.

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