A Spectroscopic Search for Molecular Emission due to the Planets Orbiting 51 Peg and UPS And

Details A Spectroscopic Search for Molecular Emission due to the Planets Orbiting 51 Peg and UPS And A Spectroscopic Search for Molecular Emission due to the Planets Orbiting 51 Peg and UPS And

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...191.7006d&link_type=abstract

American Astronomical Society, 191st AAS Meeting, #70.06; Bulletin of the American Astronomical Society, Vol. 29, p.1316

Astronomy and Astrophysics

Astronomy

Scientific paper

We have calculated synthetic infrared (2-5 micron) spectra for the planets orbiting 51 Pegasus and Upsilon Andromeda. Our calculations assume these are gas-giant planets, wherein planetary methane absorbs stellar near-infrared flux, forming a hot planetary stratosphere. The planetary spectrum consists of emission in methane and carbon monoxide lines, which may be detectable superposed on the spectrum of the parent star. We describe the results of preliminary observations designed to detect these very weak features in the stellar spectra.

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