Abstract
Measurements of the neutral temperature in the lower thermosphere, using high resolution (0.13 nm) N2 Lyman‐Birge‐Hopfield (LBH) band emissions are presented. The data were taken by the High‐resolution Ionospheric and Thermospheric Spectrograph (HITS) instrument aboard the Advanced Research and Global Observation Satellite (ARGOS). By fitting the LBH band profiles, temperatures in the thermosphere between ∼150 and 270 km have been retrieved. Temperatures retrieved for three geomagnetically quiet days, 28–30 July 2001 are consistent with temperatures from the Mass Spectrometer and Incoherent Scatter (MSIS) model.
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