New Insights into Star-Planet Interactions (SPI)

Details New Insights into Star-Planet Interactions (SPI) New Insights into Star-Planet Interactions (SPI)

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.0903s&link_type=abstract

American Astronomical Society Meeting 210, #09.03; Bulletin of the American Astronomical Society, Vol. 39, p.105

Astronomy and Astrophysics

Astronomy

Scientific paper

Observations and theory papers demonstrate that SPI is a complex, yet potentially very informative probe of extrasolar planetary magnetic fields. Evidence suggesting an observable magnetic interaction between a star and its hot Jupiter (Porb < 7 days, a < 0.1 AU, Mpsini > 0.2 MJ) appears as a cyclic variation of stellar activity synchronized to the planet's orbit. We present new high-resolution echelle spectra of stars with hot Jupiters, which explore this phenomenon further.
E.S. is supported by the NASA Postdoctoral Fellowship Program.

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