Poster Abstracts - Kepler - NASA

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POSTER ABSTRACTSP0503. POSTER SESSION INEAR-INFRARED SPECTROSCOPIC VIEW OF GJ1214B.V.D. Ivanov 1 , P. Kabath 1 , P. Rojo 2 , C. Caceres 3 , J. Girard 1 , J. Fortney 4 , and E. Miller-Ricci 41 European Southern Observatory, Alsono de Cordova 3107, Vitacura, Santiago 19001, Chile (vivanov, pkabath, jgirard@eso.org);2 Departamento de Astronomia, Universidad de Chile, Santiago, Chile (pato@das.uchile.cl);3 Department of Astronomy and Astrophysics P. Universidad Católica de Chile, Av. Vicuña Mackenna 4860,7820436 Macul, Santiago, Chile (cccacere@astro.puc.cl); 4 Department of Astronomy and Astrophysics, Universityof California, Santa Cruz, CA 95064, USA (jfortney, elizamr@ucolick.org)Introduction: Th handful of transiting super-Earths known today typically have few Earth masses,and they are very interesting for the further studies becauseof their potential similarities with our lifebearingplanet, Earth. Knowing the composition oftheir atmospheres is a most critical piece of information.GJ1214b has an advantage over the rest because itorbits a late-type star, which boosts the planet-to-starratio, and makes this planet more accessible than theothers, orbiting Solar analogs.Current theoretical models predict that GJ1214b iseither water world with thin atmosphere or it has anextensive H/He atmosphere.Observations: We present 1.5-2.5 micron transmissionspectra of the super-Earth GJ1214b, obtainedduring three different transits with the SofI spectrograph[1] at the ESO NTT on La Silla. An additionalparallel Ks-band light curve was obtained with the INTduring one of the transits.Results: Our data agree with the conclusion of [3]that the GJ1214b atmosphere must have a cloud layer.References: [1] Moorwood, A., Cuby, J.G., Lidman,C. 1998, The Messenger 91, 9. [2] Miller-Ricci,E., et al. 2010, ApJ, 716, 74. [3] Bean, J. et a., 2011,ApJ, submitted (astro-ph/)1109.0582).1682011 Kepler Science Conference - NASA Ames Research Center
POSTER ABSTRACTSP0504. POSTER SESSION IConstraints on Exoplanet Transit Observations Using JWST NIRSpec. D. R. Long, Space Telescope ScienceInstitute (3700 San Martin Drive, Baltimore, MD 21218. drl@stsci.edu)Introduction: Characterization of exoplanet atmospheresis a high-profile goal of the James WebbSpace Telescope [1]. In this poster I describe likelyobserving strategies using JWST NIRSpec as part ofongoing work so observers may get the best resultsduring the mission's limited lifetime. Constraints imposedby the observatory, instrument, and nature of thetargets are discussed. These constraints are examinedin light of the Kepler candidates and confirmed planetsthrough Cycle 1 Quarter 3.4.References:[1] Gardner, J. P. et al. (2006) Space Sci. Rev., 123,.2011 Kepler Science Conference - NASA Ames Research Center 169
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Poster Abstracts - Kepler - NASA

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