A He I upper atmosphere around the warm Neptune GJ 3470b
Preprint published in 2020 by
E. Palle,
L. Nortmann,
N. Casasayas-Barris,
M. Lampón,
M. López-Puertas,
J. A. Caballero,
J. Sanz-Forcada,
L. M. Lara,
E. Nagel,
F. Yan,
F. J. Alonso-Floriano,
P. J. Amado 
,
G. Chen,
C. Cifuentes,
M. Cortés-Contreras
and other authors.
,
G. Chen,
C. Cifuentes,
M. Cortés-Contreras
and other authors.
