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29 March 2024
 
  » arxiv » astro-ph/0408421

 Article overview


TrES-1: The Transiting Planet of a Bright K0V Star
Roi Alonso ; Timothy M. Brown ; Guillermo Torres ; David W. Latham ; Alessandro Sozzetti ; Georgi Mandushev ; Juan A. Belmonte ; David Charbonneau ; Hans J. Deeg ; Edward W. Dunham ; Francis T. O’Donovan ; Robert P. Stefanik ;
Date 24 Aug 2004
Journal Astrophys.J. 613 (2004) L153-L156
Subject astro-ph
Affiliation4 and 3), Georgi Mandushev , Juan A. Belmonte , David Charbonneau (3 and 6), Hans J. Deeg , Edward W. Dunham , Francis T. O’Donovan , Robert P. Stefanik ( Instituto de Astrofisica de Canarias, Nat’l Center for Atmos. Research, Harvard-
AbstractWe report the detection of a transiting Jupiter-sized planet orbiting a relatively bright (V=11.79) K0V star. We detected the transit light-curve signature in the course of the TrES multi-site transiting planet survey, and confirmed the planetary nature of the companion via multicolor photometry and precise radial velocity measurements. We designate the planet TrES-1; its inferred 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 +/- 0.000008 days. This planet has an orbital period similar to that of HD 209458b, but about twice as long as those of the OGLE transiting planets. Its mass is indistinguishable from that of HD 209458b, but its radius is significantly smaller and fits the theoretical models without the need for an additional source of heat deep in the atmosphere, as has been invoked by some investigators for HD 209458b.
Source arXiv, astro-ph/0408421
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