Ministerio de Economía y Competitividad Gobierno de Canarias Universidad de La Laguna CSIC Centro de Excelencia Severo Ochoa

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Detection of an extrasolar planet

Author/s: 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 and Robert P. Stefanik

Reference: The Astrophysical Journal, 613:L153–L156, 2004 October 1 | Link

Lightcurve of the host star of the planet TrES-1, where the transit was obeserved.
Lightcurve of the host star of the planet TrES-1, where the transit was obeserved.

A planet the size of Jupiter (TrES-1) has been detected from its transits around a star K0 V. (Data: M=0.75 ± 0.07 MJ R= 1.08 (+0.18,-0.04) RJ ).

This is the first planet discovered using the transit technique with a small telescope. It is currently the second best-known extrasolar planet, and one of two from which direct thermal emission (light emitted by the planet) has been detected.

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