Abstract
view Abstract Citations (18) References (9) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Auroral Green Line in Meteor Wakes. Halliday, Ian Abstract The auroral green line (X 5577) has been found in twelve meteor spectra photographed from 1955 to 1958. It is normally confined to the top portion of the photographed trail with an extreme height range of from 120 to 79 km At times of increased solar activity the line appears to persist to lower heights Only fast meteors have been observed to produce the line The excitation mechanism is obscure but probably involves ionization of either atmospheric or meteoric origin The lack of any perceptible decay in the breaks when spectra are photographed through a rotating shutter indicates that de-exciting collisions are less frequent than 5 per second There is no evidence to support the presence of X 5577 in long-enduring meteor trains. Publication: The Astrophysical Journal Pub Date: January 1960 DOI: 10.1086/146802 Bibcode: 1960ApJ...131...25H full text sources ADS |
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