Spectral-Height Relations in Perseid Meteors

Details Spectral-Height Relations in Perseid Meteors Spectral-Height Relations in Perseid Meteors

Jan 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...243..317r&link_type=abstract

Astrophysical Journal, Vol.243, P. 317, 1981

Astronomy and Astrophysics

Astrophysics

2

Scientific paper

Data from the 1977 and 1978 Perseid meteor showers indicate that meteors whose spectra contain the H and K lines of ionized calcium appear and disappear at altitudes about 6 km below those that do not. This is the inverse of what the earliest spectra revealed. The changing nature of the meteoroid sample made available by more powerful instrumentation is responsible.
Although the Perseid meteoroids were randomly distributed in 1978, evidence is presented that in 1974 a nonrandom cluster of meteoroids with unusual spectral properties was observed.

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