WASP-43b: the closest-orbiting hot Jupiter

C. Hellier; D.R. Anderson; A. Collier Cameron; M. Gillon; E. Jehin; M. Lendl; P.F. Maxted; Don Pollacco; D. Queloz; D. Ségransan; B. Smalley; A.M.S. Smith; J. Southworth; A.H.M.J. Triaud; [No Value] Udry

doi:10.1051/0004-6361/201117081

WASP-43b: the closest-orbiting hot Jupiter

C. Hellier, D.R. Anderson, A. Collier Cameron, M. Gillon, E. Jehin, M. Lendl, P.F. Maxted, Don Pollacco, D. Queloz, D. Ségransan, B. Smalley, A.M.S. Smith, J. Southworth, A.H.M.J. Triaud, [No Value] Udry

Research output: Contribution to journal › Article › peer-review

144 Citations (Scopus)

Abstract

We report the discovery of WASP-43b, a hot Jupiter transiting a K7V star every 0.81 d. At 0.6-Msun the host star has the lowest mass of any star currently known to host a hot Jupiter. It also shows a 15.6-d rotation period. The planet has a mass of 1.8 MJup, a radius of 0.9 RJup, and with a semi-major axis of only 0.014 AU has the smallest orbital distance of any known hot Jupiter. The discovery of such a planet around a K7V star shows that planets with apparently short remaining lifetimes owing to tidal decay of the orbit are also found around stars with deep convection zones.

Original language	English
Article number	L7
Journal	Astronomy and Astrophysics
Volume	535
DOIs	https://doi.org/10.1051/0004-6361/201117081
Publication status	Published - Nov 2011

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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title = "WASP-43b: the closest-orbiting hot Jupiter",

abstract = "We report the discovery of WASP-43b, a hot Jupiter transiting a K7V star every 0.81 d. At 0.6-Msun the host star has the lowest mass of any star currently known to host a hot Jupiter. It also shows a 15.6-d rotation period. The planet has a mass of 1.8 MJup, a radius of 0.9 RJup, and with a semi-major axis of only 0.014 AU has the smallest orbital distance of any known hot Jupiter. The discovery of such a planet around a K7V star shows that planets with apparently short remaining lifetimes owing to tidal decay of the orbit are also found around stars with deep convection zones.",

author = "C. Hellier and D.R. Anderson and {Collier Cameron}, A. and M. Gillon and E. Jehin and M. Lendl and P.F. Maxted and Don Pollacco and D. Queloz and D. S{\'e}gransan and B. Smalley and A.M.S. Smith and J. Southworth and A.H.M.J. Triaud and Udry, {[No Value]}",

year = "2011",

month = nov,

doi = "10.1051/0004-6361/201117081",

language = "English",

volume = "535",

journal = "Astronomy and Astrophysics",

issn = "0004-6361",

publisher = "EDP Sciences",

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TY - JOUR

T1 - WASP-43b: the closest-orbiting hot Jupiter

AU - Hellier, C.

AU - Anderson, D.R.

AU - Collier Cameron, A.

AU - Gillon, M.

AU - Jehin, E.

AU - Lendl, M.

AU - Maxted, P.F.

AU - Pollacco, Don

AU - Queloz, D.

AU - Ségransan, D.

AU - Smalley, B.

AU - Smith, A.M.S.

AU - Southworth, J.

AU - Triaud, A.H.M.J.

AU - Udry, [No Value]

PY - 2011/11

Y1 - 2011/11

N2 - We report the discovery of WASP-43b, a hot Jupiter transiting a K7V star every 0.81 d. At 0.6-Msun the host star has the lowest mass of any star currently known to host a hot Jupiter. It also shows a 15.6-d rotation period. The planet has a mass of 1.8 MJup, a radius of 0.9 RJup, and with a semi-major axis of only 0.014 AU has the smallest orbital distance of any known hot Jupiter. The discovery of such a planet around a K7V star shows that planets with apparently short remaining lifetimes owing to tidal decay of the orbit are also found around stars with deep convection zones.

AB - We report the discovery of WASP-43b, a hot Jupiter transiting a K7V star every 0.81 d. At 0.6-Msun the host star has the lowest mass of any star currently known to host a hot Jupiter. It also shows a 15.6-d rotation period. The planet has a mass of 1.8 MJup, a radius of 0.9 RJup, and with a semi-major axis of only 0.014 AU has the smallest orbital distance of any known hot Jupiter. The discovery of such a planet around a K7V star shows that planets with apparently short remaining lifetimes owing to tidal decay of the orbit are also found around stars with deep convection zones.

U2 - 10.1051/0004-6361/201117081

DO - 10.1051/0004-6361/201117081

M3 - Article

SN - 0004-6361

VL - 535

JO - Astronomy and Astrophysics

JF - Astronomy and Astrophysics

M1 - L7

ER -

WASP-43b: the closest-orbiting hot Jupiter

Abstract

ASJC Scopus subject areas

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