On the correlation between stellar chromospheric flux and the surface gravity of close-in planets

Author: Lanza A. F.  

Publisher: Edp Sciences

E-ISSN: 1432-0746|572|issue|L6-L6

ISSN: 0004-6361

Source: Astronomy & Astrophysics, Vol.572, Iss.issue, 2014-11, pp. : L6-L6

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Abstract

Aims. The chromospheric emission of stars with close-in transiting planets has been found to correlate with the surface gravity of their planets. Stars with low-gravity planets have on average a lower chromospheric flux.