Abstract
Following the LAMOST Spectroscopic Survey and the Xuyi’s Photometric Survey of the Galactic Anti-center, we plan to carry out a time-domain survey of the Galactic Anti-center (TDS-GAC) to study variable stars by using the Nanshan 1-meter telescope. Before the beginning of TDS-GAC, a precursive sky survey (PSS) has been executed. The goal of the PSS is to optimize the observation strategy of TDS-GAC and to detect some strong transient events, as well as to find some short time-scale variable stars of different types. By observing a discontinuous sky area of \(15.03~\mbox{deg}^{2}\) with the standard Johnson-Cousin-Bessel \(V\) filter, 48 variable stars are found and the time series are analyzed. Based on the behaviors of the light curves, 28 eclipsing binary stars, 10 RR Lyraes, 3 periodic pulsating variables of other types have been classified. The rest 7 variables stay unclassified with deficient data. In addition, the observation strategy of TD-GAC is described, and the pipeline of data reduction is tested.
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Acknowledgements
The authors acknowledge the support from the National Natural Science Foundation of China (NSFC) under Grant No. 11273051, and the program of Light in China Western Region (LCWR, Grant No. XBBS-2014-25). This work is partially supported by the CAS ‘Light of West China’ program (2015-XBQN-A-02) and the Strategic Priority Research Program of the Chinese Academy of Sciences (No. XDB2304100). We acknowledge the use of archive data from NOMAD1, GCVS, VSX, http://dr2.lamost.org/ and http://catserver.ing.iac.es/staralt/.
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Ma, SG., Esamdin, A., Ma, L. et al. A precursive study of the time-domain survey of the Galactic Anti-center using the Nanshan 1-meter telescope with variable stars detected. Astrophys Space Sci 363, 68 (2018). https://doi.org/10.1007/s10509-018-3289-y
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DOI: https://doi.org/10.1007/s10509-018-3289-y