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Title:
Milli-magnitude IR Planetary Transit Detection: OGLE-TR-113
Authors:
Ramirez Alegria, S.; Minniti, D.; Fernandez, J. M.; Zoccali, M.; Diaz, R. F.; Ivanov, V.; Ruiz, M.; Gieren, W.; Piertrzinsky, G.
Affiliation:
AA(Departamento de Astronomia y Astrofisica, Pontificia Universidad Catolica, Casilla 306, Santiago 22, Chile; ), AB(Instituto de Astronomia y Fisica del Espacio, CONICET-Universidad de Buenos Aires, C.C. 67, Suc.28 (1428), Buenos Aires, Argentina; ), AC(European Southern Observatory, Av. Alonso de Cordoba 3107, Vitacura, Santiago, Chile; ), AD(Departamento de Astronomia, Universidad de Chile, Santiago, Chile; ), AE(Departamento de Fisica, Universidad de Fisica, Casilla 160-C, Concepcion, Chile; )
Publication:
VI Reunion Anual Sociedad Chilena de Astronomia (SOCHIAS), held in Valparaiso, Chile, 7 - 9 November 2007, p. 77.
Publication Date:
00/2007
Origin:
AUTHOR
Keywords:
Extrasolar planets, infrared observations, OGLE-TR-113
Bibliographic Code:
2007soch.conf...77R

Abstract

We present precise (photometric error less than 3 milli-magnitude) Ks band transit photometry for the planetary host star OGLE-TR-113, confirming the planetary nature of the companion with the observed depth of the transit (our 0.032mag. depth is similar to previous visual transit reported).

Complemented with the visual information, and assuming a stellar radius of 0.77 solar radius, we obtained for the system

an inclination of i=86.7-90 degrees, period p=1.432 days, orbital radius a=0.0232 A.U., planetary radius r=1.09 Jupiter's radius and planetary density of 1.26 gr/cc.

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