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WASP-36b : a new transiting planet around a metal-poor G-Dwarf, and an investigation into analyses based on a single transit light curve
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Smith, A. M. S., Anderson, D. R., Collier Cameron, A., Gillon, M., Hellier, C., Lendl, M., Maxted, P. F. L., Queloz, D., Smalley, B., Triaud, A. H. M. J., West, Richard G., Barros, S. C. C., Jehin, E., Pepe, F., Pollacco, Don, Segransan, D., Southworth, J., Street, R. A. and Udry, S. (2012) WASP-36b : a new transiting planet around a metal-poor G-Dwarf, and an investigation into analyses based on a single transit light curve. The Astronomical Journal, Volume 143 (Number 4). Article number 81. doi:10.1088/0004-6256/143/4/81
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Official URL: http://dx.doi.org/10.1088/0004-6256/143/4/81
Abstract
We report the discovery, from WASP and CORALIE, of a transiting exoplanet in a 1.54 day orbit. The host star, WASP-36, is a magnitude V = 12.7, metal-poor G2 dwarf ($\mbox{$T_{\rm eff}$}= 5959\pm 134$ K), with [Fe/H] =–0.26 ± 0.10. We determine the planet to have mass and radius, respectively, 2.30 ± 0.07 and 1.28 ± 0.03 times that of Jupiter. We have eight partial or complete transit light curves, from four different observatories, which allow us to investigate the potential effects on the fitted system parameters of using only a single light curve. We find that the solutions obtained by analyzing each of these light curves independently are consistent with our global fit to all the data, despite the apparent presence of correlated noise in at least two of the light curves.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science > Physics | ||||
| Journal or Publication Title: | The Astronomical Journal | ||||
| Publisher: | Institute of Physics Publishing, Inc. | ||||
| ISSN: | 0004-6256 | ||||
| Official Date: | February 2012 | ||||
| Dates: |
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| Volume: | Volume 143 | ||||
| Number: | Number 4 | ||||
| Article Number: | Article number 81 | ||||
| DOI: | 10.1088/0004-6256/143/4/81 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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