Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977jgr....82...15h&link_type=abstract
Journal of Geophysical Research, vol. 82, Jan. 1, 1977, p. 15-22.
Astronomy and Astrophysics
Astronomy
8
Astronomical Photometry, Atmospheric Radiation, Meteoritic Composition, Spectral Energy Distribution, Spectrum Analysis, Atomic Excitations, Densitometers, Electron Energy, Line Spectra, Nitrogen, Oxygen, Radiative Transfer, Spectrophotometry, Vibrational Spectra
Scientific paper
Air radiation (N, O, N2) is present in major amounts in the spectra of three high-geocentric-velocity photographic meteor spectra. These spectra are high-definition spectra with over 50 identifiable features in each. These meteor spectra are compared with N2 radiation from a Geissler tube and with calculated N2 first-positive band intensities. An 'effective vibrational temperature' of about 20,000 K is obtained from the nitrogen first-positive band relative intensities. Electron excitation is indicated as the primary excitation process.
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