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astro-ph2008★ 27 cited
XO-4b: An Extrasolar Planet Transiting an F5V Star
P. R. McCullough, Christopher J. Burke, Jeff A. Valenti +11
We report the discovery of the planet XO-4b, which transits the star XO-4 (GSC 03793-01994, V=10.7, F5V). Transits are 1.0% deep and 4.4 hours in duration. The star XO-4 has a mass…
astro-ph2008★ 117 cited
Thermal Emission of Exoplanet XO-1b
Pavel Machalek, Peter R. McCullough, Christopher J. Burke +3
We estimate flux ratios of the extrasolar planet XO-1b to its host star XO-1 at 3.6, 4.5, 5.8 and 8.0 microns with the IRAC on the Spitzer Space Telescope to be 0.00086 +/- 0.00007…