A Comparison of Electron Density Profiles Derived from the Low Resolution Airglow and Aurora Spectrograph (LORAAS) Ultraviolet Measurements

Details A Comparison of Electron Density Profiles Derived from the Low Resolution Airglow and Aurora Spectrograph (LORAAS) Ultraviolet Measurements A Comparison of Electron Density Profiles Derived from the Low Resolution Airglow and Aurora Spectrograph (LORAAS) Ultraviolet Measurements

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsa32a0679d&link_type=abstract

American Geophysical Union, Fall Meeting 2001, abstract #SA32A-0679

Physics

0310 Airglow And Aurora, 2443 Midlatitude Ionosphere, 2494 Instruments And Techniques, 6982 Tomography And Imaging

Scientific paper

The High Resolution Airglow and Aurora Spectroscopy (HIRAAS) experiment was launched from Vandenberg AFB, CA aboard the Advanced Research and Global Observation Satellite (ARGOS) on 23 February 1999 at 2:29:55 AM Pacific Standard Time. The ARGOS is in a sun synchronous, circular orbit at an altitude of 843 Km. The HIRAAS experiment contains the Low Resolution Airglow and Aurora Spectrograph (LORAAS). The LORAAS gathers limb scans over the 750-100 Km altitude range, covering the 800-1700 Å passband at 17 Å resolution. We report our measurements of the daytime electron density derived by analysis of the O II 834 Å, O I 1356 Å, and O I 911 Å. We present the retrieved electron density profiles inferred from the limb intensities of the ultraviolet emissions and compare them with peak heights and peak densities measured during ionosonde overflights. We find that all three techniques produce accurate electron density profiles as our retrievals are in good agreement with the ionosonde measurements.

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