ccd photometry using multiple comparison stars

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ID: 159344
2004
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Abstract
The accuracy of CCD observations obtained at the Korean 1.8 m telescope has been studied. Seventeen comparison stars in the vicinity of the cataclysmic variable BG CMi have been measured. The ``artificial" star has been used instead of the ``control" star, what made possible to increase accuracy estimates by a factor of 1.3-2.1 times for ``good" and ``cloudy" nights, respectively. The algorithm of iterative determination of accuracy and weights of few comparison stars contributing to the artificial star, has been presented. The accuracy estimates for 13-mag stars are around 0.002 m mag for exposure times of 30 sec.
Reference Key
kim2004journalccd Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Yonggi Kim;Ivan L. Andronov;Young-Beom Jeon
Journal the journal of supercritical fluids
Year 2004
DOI
10.5140/JASS.2004.21.3.191
URL
http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2004/v21n3/OJOOBS_2004_v21n3_191.pdf
Keywords
astronomy data analysis

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