Development of the Real-Time CCD Photometric Program

Details Development of the Real-Time CCD Photometric Program Development of the Real-Time CCD Photometric Program

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993pkas....8...67k&link_type=abstract

Publications of the Korean Astronomical Society, vol.8, no.1, p.67-82

Astronomy and Astrophysics

Astronomy

5

Scientific paper

We developed a real-time CCD photometric program for IBM PC compatibles. This program can perform several functions necessary for CCD photometry such as telescope control, filter rotation, CCD camera control and data acquisition, two-dimensional image processing, simple aperture photometry and automatic differential photometry. The image processing of a spiral galaxy M51 observed with the SNU 61cm reflector shows a well developed spiral structure. Simple accorded photometric results of 14 stars in open cluster NGC 6871 almost accorded with those from IRAF/APPHOT. And we could confirm the light variation of eclipsing binary EM Cep by simultaneous automatic differential photometry of 7 stars in NGC 7160. Due to the excellence in the precision and efficiency of automatic differential photometry using CCD, this program is very useful for the study of small amplitude delta Scuti type variables and of the photometric stability of B~F type stars.

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