HARPS-N radial velocities confirm the low densities of the Kepler-9 planets

/ Authors

L. Borsato, L. Malavolta, G. Piotto, L. Buchhave, A. Mortier, K. Rice, A. Cameron, A. Coffinet, A. Sozzetti, D. Charbonneau

and 13 more authors

R. Cosentino, X. Dumusque, P. Figueira, D. Latham, M. López-Morales, M. Mayor, G. Micela, E. Molinari, F. Pepe, D. Phillips, E. Poretti, S. Udry, C. Watson

/ Abstract

Funding: European Union Seventh Framework Programme (FP7/2007–2013) under grant agreement number 313014 (ETAEARTH) and the UK Science & Technology Facilities Council (STFC) consolidated grant number ST/R000824/1 (CC).

Journal: Monthly Notices of the Royal Astronomical Society

DOI: 10.1093/mnras/stz181