437 citations
- Princeton UniversityUS16 papers
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4 papers · 1 filter
Spitzer Secondary Eclipses of the Dense, Modestly-irradiated, Giant Exoplanet HAT-P-20b Using Pixel-Level Decorrelation
Drake Deming, Heather Knutson, Joshua Kammer +13
HAT-P-20b is a giant exoplanet that orbits a metal-rich star. The planet itself has a high total density, suggesting that it may also have a high metallicity in its atmosphere. We…
KIC 9632895 - The 10th Kepler Transiting Circumbinary Planet
William F. Welsh, Jerome A. Orosz, Donald R. Short +19
We present the discovery of KIC 9632895b, a 6.2 Earth-radius planet in a low-eccentricity, 240.5-day orbit about an eclipsing binary. The binary itself consists of a 0.93 and 0.194…
Constraints on the Atmospheric Circulation and Variability of the Eccentric Hot Jupiter XO-3b
Ian Wong, Heather A. Knutson, Nicolas B. Cowan +9
We report secondary eclipse photometry of the hot Jupiter XO-3b in the 4.5~m band taken with the Infrared Array Camera (IRAC) on the Spitzer Space Telescope. We measure individu…
The 4.5 m full-orbit phase curve of the hot Jupiter HD 209458b
Robert T. Zellem, Nikole K. Lewis, Heather A. Knutson +10
The hot Jupiter HD 209458b is particularly amenable to detailed study as it is among the brightest transiting exoplanet systems currently known (V-mag = 7.65; K-mag = 6.308) and ha…