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air radiation in photographic meteor spectra

1977; American Geophysical Union; Volume: 82; Issue: 1 Linguagem: Inglês

10.1029/ja082i001p00015

2156-2202

G. A. Harvey,

Solar and Space Plasma Dynamics

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.