Millimagnitude Photometry for Transiting Extrasolar Planetary Candidates. II. Transits of OGLE‐TR‐113‐b in the Optical and Near‐IR
Year: 2007
Type: article
Abstract: We present precise V - and K s -band transit photometry for the planetary host star OGLE-TR-113. Using the K s -band photometry, we confirm the dwarf nature of OGLE-TR-113 and obtain new estimates for its effective temperature, distance, and reddening. We employ the V -band photometry to obtain planetary and orbit parameters from the transit fit, a = 0.0232 ± 0.0038 AU, orbital period P = 1.4324752 ± 0.0000015 day, i = 86.7-90, and R p = 1.09 ± 0.09 R J . These values are in excellent agreement with previous works. Assuming a mass M p = 1.32 ± 0.19 M J for the planet, we obtain its mean density ρ = 1.26 ± 0.50 g cm -3 , also in agreement with previous works. The transit observed in the K s band has a larger scatter, and we find its amplitude to be consistent with that in the V band. In this way, we find an independent confirmation of the planetary nature of OGLE-TR-113b.
Source: The Astrophysical Journal
DOI: 10.1086/512721
Authors: Rodrigo F. Diaz, Sebastian Ramirez, Jose Miguel Fernandez, Jose Gallardo, Wolfgang Gieren, Valentin D. Ivanov, Pablo Mauas, Dante Minniti, Grzegorz Pietrzynski, Felipe Perez, Maria Teresa Ruiz, Andrzej Udalski, Manuela Zoccali
Institutions: Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Institute of Astronomy and Space Physics, Pontificia Universidad Católica de Chile, École Normale Supérieure de Lyon, Centre National de la Recherche Scientifique, Centre de Recherche Astrophysique de Lyon, University of Concepción, European Southern Observatory, University of Warsaw, University of Chile
Language: English
Subfield: Astronomy and Astrophysics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: bronze
OpenAlex ID: W2000708858