A&A 584, A72 (2015) Astronomy DOI: 10.1051/0004-6361/201526822 & c ESO 2015 Astrophysics The HARPS-N Rocky Planet Search I. HD 219134 b: A transiting rocky planet in a multi-planet system at 6.5 pc from the Sun? F. Motalebi1, S. Udry1, M. Gillon2, C. Lovis1, D. Ségransan1, L. A. Buchhave3;4, B. O. Demory5, L. Malavolta6;7, C. D. Dressing3, D. Sasselov3, K. Rice8, D. Charbonneau3, A. Collier Cameron9, D. Latham3, E. Molinari10;11, F. Pepe1, L. Affer12, A. S. Bonomo13, R. Cosentino10, X. Dumusque3, P. Figueira14, A. F. M. Fiorenzano10, S. Gettel3, A. Harutyunyan10, R. D. Haywood9, J. Johnson3, E. Lopez8, M. Lopez-Morales3, M. Mayor1, G. Micela12, A. Mortier9, V. Nascimbeni7, D. Philips3, G. Piotto6;7, D. Pollacco15, D. Queloz1;5, A. Sozzetti13, A. Vanderburg3, and C. A. Watson16 1 Observatoire de Genève, Université de Genève, 51 chemin des Maillettes, 1290 Sauverny, Switzerland e-mail:
[email protected] 2 Institut d’Astrophysique et de Géophysique, Université de Liège, Allée du 6 Août 17, Bat. B5C, 4000 Liège, Belgium 3 Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, Massachusetts 02138, USA 4 Centre for Stars and Planet Formation, Natural History Museum of Denmark, University of Copenhagen, 1350 Copenhagen, Denmark 5 Cavendish Laboratory, J J Thomson Avenue, Cambridge CB3 0HE, UK 6 Dipartimento di Fisica e Astronomia “Galileo Galilei”, Universita di Padova, Vicolo dell’Osservatorio 3, 35122 Padova, Italy 7 INAF–Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, 35122 Padova, Italy 8 SUPA, Institute for Astronomy, University of Edinburgh, Royal Observatory, Blackford Hill, Edinburgh, EH93HJ, UK 9 SUPA, School of Physics & Astronomy, University of St.