Title: Detection of Solar-like oscillations in the G7 giant star xi Hya
Authors: Frandsen, S
Carrier, Fabien
Aerts, Conny
Stello, D
Maas, Thomas
Burnet, M
Bruntt, H
Teixeira, TC
de Medeiros, JR
Bouchy, F
Kjeldsen, H
Pijpers, F
Christensen-Dalsgaard, J #
Issue Date: Oct-2002
Publisher: E d p sciences
Series Title: Astronomy & astrophysics vol:394 issue:1 pages:L5-L8
Abstract: We report the firm discovery of solar-like oscillations in a giant star. We monitored the star xi Hya (G7III) continuously during one month with the CORALIE spectrograph attached to the 1.2 m Swiss Euler telescope. The 433 high-precision radial-velocity measurements clearly reveal multiple oscillation frequencies in the range 50-130 muHz, corresponding to periods between 2.0 and 5.5 hours. The amplitudes of the strongest modes are slightly smaller than 2 m s(-1). Current model calculations are compatible with the detected modes.
ISSN: 0004-6361
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Institute of Astronomy
# (joint) last author

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