The very low albedo of an extrasolar planet: MOST spacebased photometry of HD 209458

Rowe Jason F; Matthews Jaymie M; Seager Sara; Miller-Ricci Eliza; Sasselov Dimitar; Kuschnig Rainer; Guenther David B; Moffat Anthony F J; Rucinski Slavek M; Walker Gordon A H; Weiss Werner W

The very low albedo of an extrasolar planet: MOST spacebased photometry of HD 209458

Authors

Jason Rowe
Jaymie M, Matthews
Sara, Seager
Eliza, Miller-Ricci
Dimitar, Sasselov
Rainer, Kuschnig
David B, Guenther
Anthony F J, Moffat
Slavek M, Rucinski
Gordon A H, Walker
Werner W, Weiss

Type

Published Article

Journal

arXiv preprint arXiv:0711.4111

Publication Date

Nov 26, 2007

Source

SETI Institute

License

Unknown

Abstract

Measuring the albedo of an extrasolar planet provides insights into its atmospheric composition and its global thermal properties, including heat dissipation and weather patterns. Such a measurement requires very precise photometry of a transiting system sampling fully many phases of the secondary eclipse. Spacebased optical photometry of the transiting system HD 209458 from the MOST (Microvariablity and Oscillations of STars) satellite, spanning 14 and 44 days in 2004 and 2005 respectively, allows us to set a ...

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