The HARPS search for southern extra-solar planets. XXXVI. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions
Journal article published in 2017 by
S. Udry,
X. Dumusque,
C. Lovis,
D. Segransan,
R.~F F. Diaz 
,
W. Benz,
F. Bouchy,
A. Coffinet,
G. Lo Curto,
Mayor M.,
C. Mordasini,
F. Motalebi,
F. Pepe,
D. Queloz,
N.~C C. Santos
and other authors.
,
W. Benz,
F. Bouchy,
A. Coffinet,
G. Lo Curto,
Mayor M.,
C. Mordasini,
F. Motalebi,
F. Pepe,
D. Queloz,
N.~C C. Santos
and other authors.
