Detection of Stellar Pulsations in the Planet Host Star γ Cephei A by High Precision Radial Velocity Measurements

Details Detection of Stellar Pulsations in the Planet Host Star γ Cephei A by High Precision Radial Velocity Measurements Detection of Stellar Pulsations in the Planet Host Star γ Cephei A by High Precision Radial Velocity Measurements

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1170..543e&link_type=abstract

STELLAR PULSATION: CHALLENGES FOR THEORY AND OBSERVATION: Proceedings of the International Conference. AIP Conference Proceedin

Physics

1

Pulsations, Oscillations, And Stellar Seismology, Seismology, Magnetohydrodynamics And Plasmas

Scientific paper

We present a first analysis of our asteroseismology campaign on the
planet host star γ Cep A. We used seven consecutive nights at the
Harlan J. Smith 2.7 m telescope at McDonald Observatory to obtain 1200
highly precise radial velocity measurements. We find the star to be a
multi-periodic pulsator with a frequency spacing of 15 μHz.

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