Line profile variation and planets around 51 Pegasi and upsilon Andromedae

Details Line profile variation and planets around 51 Pegasi and upsilon Andromedae Line profile variation and planets around 51 Pegasi and upsilon Andromedae

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999a%26a...349..220f&link_type=abstract

Astronomy and Astrophysics, v.349, p.220-224 (1999)

Astronomy and Astrophysics

Astrophysics

1

Techniques: Radial Velocities, Techniques: Spectroscopic, Planets And Satellites: General, Stars: Individual: 51 Peg, Stars: Individual: Upsilon And

Scientific paper

We report results of high resolution spectroscopic observations of the stars 51 Peg and upsilon And. Variations in the shape of different lines are studied in the light of a recent controversy concerning the existence of a planet orbiting around 51 Peg. Bisector variations have been noticed for both stars, their shapes and variations are not easily understood, but they do not indicate any interpretation differing from the now classical interpretation by a planet. based on observations carried out at the Canada-France-Hawaii Telescope

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