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astro-ph2008★ 2 cited
Testing planet formation theories with Giant stars
Luca Pasquini, M. P. Doellinger, A. Hatzes +4
Planet searches around evolved giant stars are bringing new insights to planet formation theories by virtue of the broader stellar mass range of the host stars compared to the sola…
astro-ph2006
Radial Velocity Follow-up of Planetary Transit Candidate MACHO.120.22303.5389
David T. F Weldrake, Johny Setiawan, Patrick Weise +1
We present preliminary results on the radial velocity follow-up of a planetary transit candidate (P=2.43d, V=15.4) detected during the MACHO project. The photometry is consistent w…
astro-ph2005
Multi-periodic oscillations of alpha Hya
J. Setiawan, P. Weise, M. Roth
We report the detection of multi-periodic oscillations of the cool evolved star alpha Hya (HD 81797, K3II-III). Two-hundred and forty-three high-resolution spectra (R=48,000) of th…