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The GAPS Programme at TNG. XXXII. The revealing non-detection of metastable HeI in the atmosphere of the hot Jupiter WASP-80b
L. Fossati, G. Guilluy, I. F. Shaikhislamov +38
The hot Jupiter WASP-80b has been identified as a possible excellent target for detecting and measuring HeI absorption in the upper atmosphere. We observed 4 primary transits of WA…
The impact of intrinsic magnetic field on the absorption signatures of elements probing the upper atmosphere of HD209458b
M. L. Khodachenko, I. F. Shaikhislamov, H. Lammer +4
The signs of an expanding atmosphere of HD209458b have been observed with far-ultraviolet transmission spectroscopy and in the measurements of transit absorption by metastable HeI.…
Simulation of 10830 Å absorption with a 3D hydrodynamic model reveals the solar He abundance in upper atmosphere of WASP-107b
M. L. Khodachenko, I. F. Shaikhislamov, L. Fossati +5
Transmission spectroscopy of WASP-107b revealed 7-8% absorption at the position of metastable HeI triplet at 10830 Å in Doppler velocity range of [-20; 10] km/s, which is stronger…