A BVR Photometric Survey of the Small Magellanic Cloud with a Mosaic CCD
(주)코리아스칼라
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- 2016.04.02
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- 2013.09
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서지정보
ㆍ발행기관 : 한국지구과학회
ㆍ수록지정보 : 한국지구과학회지 / 34권 / 5호
ㆍ저자명 : Lee, Ki-Won
영어 초록
We performed a BVR photometric survey for the entire Small Magellanic Cloud (~26 deg 2 ) with a mosaic system, Wide Field Imager (WFI), covering three seasons: September and October 2001 and November 2002. Through the usual data reduction procedures, we present ~0.73 million catalogue stars brighter than 19 magnitude in B amongst a total of ~1.3 million and compare them with published astrometry and photometry results. We found that the average differences between our and the published data are ~0.7 arcsec in astrometry and 0.065, 0.054, and 0.163 in B, V, and R, respectively, in photometry. In addition, using the 2dF spectroscopic data from Evans et al. (2004), we determined the color excesses in (B-V) and (V-R) to be 0.086±0.156, and 0.065±0.112, respectively, while for the distance modulus, we obtained 18.55±1.05.
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