Astronomy and Astrophysics – Astronomy
Scientific paper
May 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004acasn..45..186w&link_type=abstract
Acta Astronomica Sinica, vol. 45, no. 2, p. 186-194
Astronomy and Astrophysics
Astronomy
1
Meteors, Methods: Observational, Instrumentation: Detectors
Scientific paper
In recent twenty years, following the development of CCD and image intensifier, cabinet and skillful video observation systems for meteors have been grown up progressively in the world. It is believed that, at last, they will gradually take the place of the visual and ordinary photographic observations of meteors. In this paper, the Number 1 Video System for Meteors and Comets of Yunnan Observatory, in addition, the first observations have been introduced. This new system is constructed of 5 changeable modules. With the large-field camera model for meteors the field of view is about 36 degree. A star as bright as 6 magnitude can be recorded in one frame of image. The measurement precision of luminosity for stars is about 0.2 mag. Moreover, the advantage comparison of a video system to traditional photography is made. The possible improvements and future developments of the system have been discussed.
Wu Jian-Guo
Zhang Zhou-Sheng
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