TY - JOUR AU - Caballero, J.A. AU - Sanz Forcada, J. AU - Cortés Contreras, Miriam AU - Montes Gutiérrez, David PY - 2018 DO - 10.1051/0004-6361/201833694 SN - 1432-0746 UR - https://hdl.handle.net/20.500.14352/13118 T2 - Astronomy and astrophysics AB - We present three transit observations of HD 189733 b obtained with the high-resolution spectrograph CARMENES at Calar Alto. A strong absorption signal is detected in the near-infrared He I triplet at 10830 Å in all three transits. During mid-transit,... LA - eng PB - EDP Science KW - Extrasolar planet KW - X-ray KW - Escapin atmosphere KW - Stellar activity KW - Helium KW - Exoplanets KW - Exosphere KW - Hubble KW - Haze KW - Ultraviolet. TI - Detection of He I λ10830 Å absorption on HD 189733 bwith CARMENES high-resolution transmission spectroscopy TY - journal article VL - 620 ER -