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Optical Follow up Photometry of the Transiting Extrasolar Planet XO-2

Published online by Cambridge University Press:  01 May 2008

Jose M. Fernandez
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138, USA email: jfernand@cfa.harvard.edu, mholman@cfa.harvard.edu
Matthew J. Holman
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA 02138, USA email: jfernand@cfa.harvard.edu, mholman@cfa.harvard.edu
Joshua N. Winn
Affiliation:
Department of Physics, Massachusetts Institute of Technology, Cambridge, MA 02139, USA email: jwinn@space.mit.edu
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Abstract

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We present three full z-band transit light curves for the extrasolar planet XO-2 obtained with KeplerCam and the FLWO 1.2m telescope. The system parameters were determined fitting the data to transit models using a Markov Chain Monte Carlo simulation (MCMC). The main results presented in this poster are revised values for the parameters Rp/Rs, a/Rs and b.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2009

References

Burke, C., McCullough, P., Valenti, J., Johns-Krull, C., Janes, K., Heasley, J., Summers, F., Stys, J., Bissinger, R., Fleenor, M., Foote, C., Garcia-Melendo, E., Gary, B., Howell, P., Mallia, G.Masi, G., Taylor, B., & Vanmunster, T. 2007, ApJ, 671, 2115CrossRefGoogle Scholar
Demarque, P., Woo, J., Kim, Y., & Yi, S. 2004, ApJS, 155, 667CrossRefGoogle Scholar
Holman, M., Winn, J., Latham, D., O'Donovan, F., Charbonneau, D., Bakos, G., Esquerdo, G., Hergenrother, C., Everett, M., & Pal, A. 2006, ApJ (Letters), 653, L69Google Scholar
Mandel, K. & Agol, E. 2002, ApJ (Letters), 580, L171CrossRefGoogle Scholar
Torres, G., Holman, M., & Winn, J. 2008, ApJ, 677, 1324CrossRefGoogle Scholar
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