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Terrestrial OH nightglow measurements during the Rosetta flyby
Piccioni, G.; Capaccioni, F.; Soret, L. +5 more
We present a study of the terrestrial hydroxyl nightglow emissions observed with the Visible and Infrared Thermal Imaging Spectrometer on board the Rosetta mission. During these observations, the OH Δv = 1 and 2 sequences were measured simultaneously. This allowed investigating the relative population of the v = 1 to 9 vibrational levels by using …
The energy-based scaling of a thin current sheet: Case study
Sasunov, Yu. L.; Khodachenko, M. L.; Alexeev, I. I. +3 more
The influence of average plasma energy on the half thickness ℓ of a thin current sheet (TCS) is investigated for three cases of TCSs crossings. The value of ℓ was estimated from the magnetic field data by means of Cluster observations. The obtained scaling values for TCSs, , where ρT is the thermal Larmor radius, were compared with the …