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2013AJ....146..139W - Astron. J., 146, 139 (2013/December-0)
Photometry of variable stars from Dome A, Antarctica: results from the 2010 observing season.
WANG L., MACRI L.M., WANG L., ASHLEY M.C.B., CUI X., FENG L.-L., GONG X., LAWRENCE J.S., LIU Q., LUONG-VAN D., PENNYPACKER C.R., SHANG Z., STOREY J.W.V., YANG H., YANG J., YUAN X., YORK D.G., ZHOU X., ZHU Z. and ZHU Z.
Abstract (from CDS):
We present results from a season of observations with the Chinese Small Telescope ARray, obtained over 183 days of the 2010 Antarctic winter. We carried out high-cadence time-series aperture photometry of 9125 stars with i ≲ 15.3 mag located in a 23 deg2 region centered on the south celestial pole. We identified 188 variable stars, including 67 new objects relative to our 2008 observations, thanks to broader synoptic coverage, a deeper magnitude limit, and a larger field of view. We used the photometric data set to derive site statistics from Dome A. Based on two years of observations, we find that extinction due to clouds at this site is less than 0.1 and 0.4 mag during 45% and 75% of the dark time, respectively.
Abstract Copyright: ∼
Journal keyword(s): site testing - stars: variables: general
VizieR on-line data: <Available at CDS (J/AJ/146/139): table3.dat>
Nomenclature: Table 3: [WMW2013] CSTAR nNNNNNN N=188 among (Nos n010320-n897790).
Simbad objects: 189
