B

KEPLER OBSERVATIONS OF TRANSITING HOT COMPACT OBJECTS

“…It has similar physical properties to the cooling He-WD discovered in the globular cluster 47 Tuc by Edmonds et al (2001). Stellar modeling from the ρ ⋆ (Borucki et al 2010b) method puts the age of the host star at 340 ± 67 Myr. The observed mass and radius of the companion estimate ∼155 Myr since its creation from the cooling curves of Panei et al (2007).…”

“…The green and cyan points are previously known transiting extrasolar planets 1 and their host stars. The dark blue points show the first five Kepler extrasolar planets (Borucki et al 2010a). The red diamonds indicate the Earth, Uranus, Neptune, Saturn and Jupiter.…”

“…Optical spectroscopy obtained at the Kitt Peak 2.1-m was used to estimate KOI-74 as spectral type A1V with T eff = 9400 ± 150 K and KOI-81 as B9-A0V with T eff =10000 ± 150K. With the stellar density from the transit light curve and T eff the stellar mass and radius where estimated using the ρ ⋆ method as described in Borucki et al (2010b). This allows us to model the companion radii, orbital period, inclination angle and eclipse depth which we list in Table 1 as described in Koch et al (2010b).…”

“…The Kepler mission was designed to find transiting Earth-like planets in the habitable zones of other stars (Borucki et al 2010a). To accomplish this feat, Kepler was launched into a heliocentric, Earth-trailing orbit allowing stars to be continuously monitored for the lifetime of the mission.…”