HR: 0830h
AN: SA41A-09 [Abstracts]
TI: High Resolution EUV/FUV Spectral Survey of the Dayglow From ARGOS/HITS
AU: * Fortna, C B
EM: Clyde.Fortna@nrl.navy.mil
AF: SFA Inc., 9315 Largo Drive West
Suite 200, Largo, MD 20774 United States
AU: Budzien, S A
EM: scott.budzien@nrl.navy.mil
AF: E. O. Hulburt Center for Space Research Code 7607, Naval Research Laboratory, Washington, DC 20375-5352 United States
AU: Dymond, K F
EM: kenneth.dymond@nrl.navy.mil
AF: E. O. Hulburt Center for Space Research Code 7607, Naval Research Laboratory, Washington, DC 20375-5352 United States
AU: Thonnard, S E
EM: Stefan.Thonnard@nrl.navy.mil
AF: E. O. Hulburt Center for Space Research Code 7607, Naval Research Laboratory, Washington, DC 20375-5352 United States
AU: Nicholas, A C
EM: Andrew.Nicholas@nrl.navy.mil
AF: E. O. Hulburt Center for Space Research Code 7607, Naval Research Laboratory, Washington, DC 20375-5352 United States
AU: McCoy, R P
AF: Office of Naval Research, Code 321 SR 800 N. Quincy Street, Arlington, VA 22217-5660 United States
AB:
The High Resolution Airglow and Aurora Spectroscopy (HIRAAS) experiment was successfully launched on the USAF Advanced
Research and Global Observation Satellite (ARGOS) and continuously monitored the thermospheric and ionospheric airglow from
May 1999 through March 2002 using three ultraviolet spectrographs. The High-resolution Ionospheric and Thermospheric
Spectrograph (HITS) is a far- and extreme-ultraviolet (FUV/EUV) Rowland circle spectrograph covering the 50-150 nm spectral
range at ~0.1 nm resolution in 11-nm passbands. While limb scanning, the HITS measures airglow emissions from 50 to 400 km
every 130 seconds. During the mission the HITS stepped through a regular monthly sequence of passbands covering much of its
spectral range.
The HITS observations represents a uniquely useful dataset: high resolution, altitude-resolved global dayglow spectra. These measurements provide the capability to study new remote sensing techniques using resolved multiplet emissions (OII 83.4 nm), observed Doppler-shifted emissions from proton aurora (HI 121.6nm), and measure temperatures from molecular bandshapes (N2
Lyman-Birge-Hopfield). Moreover, the HITS spectra provide the means to disentangle complicated emission features seen at low resolution, such as NII 108.5nm emission which includes a number of nearby weak contaminating features. This analysis
examines the altitude-resolved high resolution dayglow spectra acquired during June, 2000.
DE: 0310 Airglow and aurora
DE: 0355 Thermosphere--composition and chemistry
DE: 0360 Transmission and scattering of radiation
DE: 0394 Instruments and techniques
SC: SPA-Aeronomy [SA]
MN: 2005 Joint Assembly