Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002kfnt...18..471k&link_type=abstract
Kinematika i Fizika Nebesnykh Tel, vol. 18, no. 5, p. 471-480.
Astronomy and Astrophysics
Astronomy
2
Scientific paper
We analysed some widely used in astrometry reduction models for the determination of object equatorial coordinates in digital reducing of TV observations of meteors. The analysis of the reduced material enabled us to derive the distribution of calculation errors and to investigate sources of deviations exceeding two angle sizes of a pixel. We found that using star shape fits increases the precision of the derived positions of the meteors by about 1'. We concluded that the six constants method is efficient for reducing the TV images of the meteors. The minimal error of the determination of the equatorial coordinates of the meteors is about 1.5'-3.5' when the pixel size is equal to 4'.
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