Plotting errors in visual meteor observations

Details Plotting errors in visual meteor observations Plotting errors in visual meteor observations

May 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982baicz..33..129s&link_type=abstract

Astronomical Institutes of Czechoslovakia, Bulletin, vol. 33, no. 3, 1982, p. 129-141. Research supported by the Knut och Alice

Astronomy and Astrophysics

Astronomy

1

Perseid Meteoroids, Position Errors, Visual Observation, Angular Velocity, Elevation Angle, Luminosity, Sporadic Meteoroids

Scientific paper

The data used in the study were collected during radar-visual recordings of the Perseid meteor shower at the Onsala Space Observatory, in Sweden, in the years 1964-1975. The study includes 401 meteors simultaneously recorded by two or more visual observers. In the error analysis, emphasis is placed mainly on the elevation angle of the plotted meteor paths. For the error in the elevation of the midpoint of a plotted meteor trail, + or - 5.5 deg is derived for the Perseid meteors and + or - 4.3 deg for the sporadic meteors. The difference in the elevation error for the Perseid and sporadic meteors is attributed to the difference in the angular velocity. An analysis of the total data sample gives a linear regression of the elevation error on the angular velocity. It is noted that similar relations apply to the errors at the beginning and end points of the meteor trails. Further analysis of the Perseid data sample reveals that the elevation error consists of two components: a systematic sliding error of + or - 4.5 deg and an accidental error of + or - 3.6 deg.

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