Limits on Thermal Emission from Two Non-Transiting Exoplanets

Details Limits on Thermal Emission from Two Non-Transiting Exoplanets Limits on Thermal Emission from Two Non-Transiting Exoplanets

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21443409c&link_type=abstract

American Astronomical Society, AAS Meeting #214, #434.09; Bulletin of the American Astronomical Society, Vol. 41, p.706

Astronomy and Astrophysics

Astronomy

Scientific paper

We present the first empirical limits on the near-infrared planet/star flux ratios for the inner planets of the tau Boo and 55 Cnc systems. We obtained high-SNR spectra of these systems over three nights with NIRSPEC on the Keck II telescope. We search for the time-varying radial velocity signature of the planet by deconvolving our spectra with a model spectral linelist; the orbital parameters and planet/star flux ratios are then estimated by comparing the resultant radial velocity profile with an ensemble of system models.

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