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WASP-37b : A 1.8 MJ exoplanet transiting a metal-poor star
- Simpson, E. K. (author)
- Faedi, F. (author)
- Barros, S. C. C. (author)
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- Brown, D. J. A. (author)
- Cameron, A. Collier (author)
- Hebb, L. (author)
- Pollacco, D. (author)
- Smalley, B. (author)
- Todd, I. (author)
- Butters, O. W. (author)
- Hebrard, G. (author)
- McCormac, J. (author)
- Miller, G. R. M. (author)
- Santerne, A. (author)
- Street, R. A. (author)
- Skillen, I. (author)
- Triaud, A. H. M. J. (author)
- Anderson, D. R. (author)
- Bento, J. (author)
- Boisse, I. (author)
- Bouchy, F. (author)
- Enoch, B. (author)
- Haswell, C. A. (author)
- Hellier, C. (author)
- Holmes, S. (author)
- Horne, K. (author)
- Keenan, F. P. (author)
- Lister, T. A. (author)
- Maxted, P. F. L. (author)
- Moulds, V. (author)
- Moutou, C. (author)
- Norton, A. J. (author)
- Parley, N. (author)
- Pepe, F. (author)
- Queloz, D. (author)
- Segransan, D. (author)
- Smith, A. M. S. (author)
- Udry, S. (author)
- Watson, C. A. (author)
- West, R. G. (author)
- Wheatley, P. J. (author)
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- (creator_code:org_t)
- 2010-12-07
- 2011
- English.
- In: Astronomical Journal. - : American Astronomical Society. - 0004-6256 .- 1538-3881. ; 141:1, s. 8-
- Journal article (peer-reviewed)
Abstract
Subject headings
Close
- We report on the discovery of WASP-37b, a transiting hot Jupiter orbiting an m(v) = 12.7 G2-type dwarf, with a period of 3.577469 +/- 0.000011 d, transit epoch T-0 = 2455338.6188 +/- 0.0006 (HJD; dates throughout the paper are given in Coordinated Universal Time (UTC)), and a transit duration 0.1304(-0.0017)(+0.0018) d. The planetary companion has a mass M-p = 1.80 +/- 0.17 M-J and radius R-p = 1.16(-0.06)(+0.07) R-J, yielding a mean density of 1.15(-0.15)(+0.12) rho(J). From a spectral analysis, we find that the host star has M-star = 0.925 +/- 0.120 M-circle dot, R-star = 1.003 +/- 0.053 R-circle dot, T-eff = 5800 +/- 150 K, and [Fe/H] = -0.40 +/- 0.12. WASP-37 is therefore one of the lowest metallicity stars to host a transiting planet.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- planetary systems
- stars: individual (WASP-37
- GSC 00326-00658)
- techniques: photometric
- techniques: spectroscopic
- Physics
- Fysik
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
- Simpson, E. K.
- Faedi, F.
- Barros, S. C. C.
- Brown, D. J. A.
- Cameron, A. Coll ...
- Hebb, L.
- show more...
- Pollacco, D.
- Smalley, B.
- Todd, I.
- Butters, O. W.
- Hebrard, G.
- McCormac, J.
- Miller, G. R. M.
- Santerne, A.
- Street, R. A.
- Skillen, I.
- Triaud, A. H. M. ...
- Anderson, D. R.
- Bento, J.
- Boisse, I.
- Bouchy, F.
- Enoch, B.
- Haswell, C. A.
- Hellier, C.
- Holmes, S.
- Horne, K.
- Keenan, F. P.
- Lister, T. A.
- Maxted, P. F. L.
- Moulds, V.
- Moutou, C.
- Norton, A. J.
- Parley, N.
- Pepe, F.
- Queloz, D.
- Segransan, D.
- Smith, A. M. S.
- Stempels, H. C.
- Udry, S.
- Watson, C. A.
- West, R. G.
- Wheatley, P. J.
- show less...
- About the subject
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- NATURAL SCIENCES
- NATURAL SCIENCES
- and Physical Science ...
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- By the university
- Uppsala University
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