TrES-1: The Transiting Planet of a Bright K0 V Star | Zendy

R. Alonso | Zendy; Timothy M. Brown | Zendy; Guillermo Torres | Zendy; David W. Latham | Zendy; A. Sozzetti | Zendy; Georgi Mandushev | Zendy; Juan Antonio Belmonte | Zendy; David Charbonneau | Zendy; H. J. Deeg | Zendy; Edward W. Dunham | Zendy; Francis T. O’Donovan | Zendy; R. P. Stefanik | Zendy

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TrES-1: The Transiting Planet of a Bright K0 V Star

Author(s) -

R. Alonso,

Timothy M. Brown,

Guillermo Torres,

David W. Latham,

A. Sozzetti,

Georgi Mandushev,

Juan Antonio Belmonte,

David Charbonneau,

H. J. Deeg,

Edward W. Dunham,

Francis T. O’Donovan,

R. P. Stefanik

Publication year - 2004

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/425256

Subject(s) - planet , physics , orbital period , photometry (optics) , astronomy , astrophysics , radius , transit (satellite) , hot jupiter , giant planet , jupiter (rocket family) , light curve , jupiter mass , planetary system , radial velocity , exoplanet , planetary mass , stars , public transport , computer security , computer science , political science , space shuttle , law

We report the detection of a transiting Jupiter-sized planet orbiting arelatively bright (V=11.79) K0V star. We detected the transit light-curvesignature in the course of the TrES multi-site transiting planet survey, andconfirmed the planetary nature of the companion via multicolor photometry andprecise radial velocity measurements. We designate the planet TrES-1; itsinferred mass is 0.75 +/- 0.07 Jupiter masses, its radius is 1.08 (+0.18/-0.04)Jupiter radii, and its orbital period is 3.030065 +/- 0.8 days. Thisplanet has an orbital period similar to that of HD 209458b, but about twice aslong as those of the OGLE transiting planets. Its mass is indistinguishablefrom that of HD 209458b, but its radius is significantly smaller and fits thetheoretical models without the need for an additional source of heat deep inthe atmosphere, as has been invoked by some investigators for HD 209458b.

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