Davis, Timothy A. and Wheatley, Peter J.. (2009) Evidence for a lost population of close-in exoplanets. Monthly Notices of the Royal Astronomical Society, Vol.396 (No.2). pp. 1012-1017. ISSN 0035-8711

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Abstract

We investigate the evaporation history of known transiting exoplanets in order to consider the origin of observed correlations between mass, surface gravity and orbital period. We show that the survival of the known planets at their current separations is consistent with a simple model of evaporation, but that many of the same planets would not have survived closer to their host stars. These putative closer-in systems represent a lost population that could account for the observed correlations. We conclude that the relation underlying the correlations noted by Mazeh et al. and Southworth et al. is most likely a linear cut-off in the M-2/R-3 versus a(-2) plane, and we show that the distribution of exoplanets in this plane is in close agreement with the evaporation model.

Item Type:	Journal Article
Subjects:	Q Science > QB Astronomy
Divisions:	Faculty of Science > Physics
Journal or Publication Title:	Monthly Notices of the Royal Astronomical Society
Publisher:	Wiley-Blackwell Publishing, Inc
ISSN:	0035-8711
Date:	21 June 2009
Volume:	Vol.396
Number:	No.2
Number of Pages:	6
Page Range:	pp. 1012-1017
Identification Number:	10.1111/j.1365-2966.2009.14763.x
Status:	Peer Reviewed
Publication Status:	Published
Access rights to Published version:	Restricted or Subscription Access
Funder:	STFC
URI:	http://wrap.warwick.ac.uk/id/eprint/27783

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