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A global analysis of Spitzer and new HARPS data confirms the loneliness and metal-richness of GJ 436 b

  • Author(s): Lanotte, AA;
  • Gillon, M;
  • Demory, BO;
  • Fortney, JJ;
  • Astudillo, N;
  • Bonfils, X;
  • Magain, P;
  • Delfosse, X;
  • Forveille, T;
  • Lovis, C;
  • Mayor, M;
  • Neves, V;
  • Pepe, F;
  • Queloz, D;
  • Santos, N;
  • Udry, S
  • et al.

Published Web Location

https://arxiv.org/abs/1409.4038
No data is associated with this publication.
Abstract

Context. GJ 436b is one of the few transiting warm Neptunes for which a detailed characterisation of the atmosphere is possible, whereas its non-negligible orbital eccentricity calls for further investigation. Independent analyses of several individual datasets obtained with Spitzer have led to contradicting results attributed to the different techniques used to treat the instrumental effects.

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