FM8p.47 — Spitzer IRAC Sparsely Sampled Phase Curve of WASP-14b

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Aug 4th at 6:00 PM until 7:30 PM

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Author(s): Jessica Krick1, James G Ingalls1, Sean Carey1, Kaspar von Braun2, David Ciardi1, Stephen Kane3

Institution(s): 1. IPAC, 2. Lowell Observatory, 3. San Francisco State University

We present a new technique of sparsely sampling phase curves of hot jupiters with Spitzer IRAC. Snapshot phase curves are enabled by technical advances of precision pointing as well as careful characterization of a portion of the central pixel on the array. This method allows for observations which are a factor of ~2 more efficient than full phase curve observations, and are easy to schedule. We present the first results from this program using the exoplanet WASP-14b. As our pilot study, this planet has data taken both as a sparsely sampled phase curve as well as a staring mode phase curve as proof of technique. We successfully recover physical parameters for the transit and eclipse depths as well as phase curve shape of this slightly eccentric hot jupiter.