WASP-29b: A Saturn-sized transiting exoplanet

Coel Hellier; D. R. Anderson; A. Collier Cameron; M. Gillon; M. Lendl; P. F. L. Maxted; D. Queloz; B. Smalley; A. H. M. J. Triaud; R. G. West; D. J. A. Brown; B. Enoch; T. A. Lister; F. Pepe; D. Pollacco; D. Segransan; S. Udry

doi:10.1088/2041-8205/723/1/L60

WASP-29b: A Saturn-sized transiting exoplanet

Earth and Planetary Astrophysics 2015-05-20 v1

Authors: Coel Hellier , D. R. Anderson , A. Collier Cameron , M. Gillon , M. Lendl , P. F. L. Maxted , D. Queloz , B. Smalley , A. H. M. J. Triaud , R. G. West , D. J. A. Brown , B. Enoch , T. A. Lister , F. Pepe , D. Pollacco , D. Segransan , S. Udry

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Abstract

We report the discovery of a Saturn-sized planet transiting a V = 11.3, K4 dwarf star every 3.9 d. WASP-29b has a mass of 0.24+/-0.02 M_Jup and a radius of 0.79+/-0.05 R_Jup, making it the smallest planet so far discovered by the WASP survey, and the exoplanet most similar in mass and radius to Saturn. The host star WASP-29 has an above-Solar metallicity and fits a possible correlation for Saturn-mass planets such that planets with higher-metallicity host stars have higher core masses and thus smaller radii.

Keywords

transiting exoplanets

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@article{arxiv.1009.5318,
  title  = {WASP-29b: A Saturn-sized transiting exoplanet},
  author = {Coel Hellier and D. R. Anderson and A. Collier Cameron and M. Gillon and M. Lendl and P. F. L. Maxted and D. Queloz and B. Smalley and A. H. M. J. Triaud and R. G. West and D. J. A. Brown and B. Enoch and T. A. Lister and F. Pepe and D. Pollacco and D. Segransan and S. Udry},
  journal= {arXiv preprint arXiv:1009.5318},
  year   = {2015}
}

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6 pages, submitted to ApJL

WASP-29b: A Saturn-sized transiting exoplanet

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