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Color Behavior Of BL Lacertae Object OJ 287 During Optical Outburst
Yan Dai, Jianghua Wu, Zong-Hong Zhu +2
This paper aims to study the color behavior of the BL Lac object OJ 287 during optical outburst. According to the revisit of the data from the OJ-94 monitoring project and the anal…
An updated catalog of M31 globular-like clusters: UBVRI photometry, ages, and masses
Zhou Fan, Richard de Grijs, Xu Zhou
We present an updated UBVRI photometric catalog containing 970 objects in the field of M31, selected from the Revised Bologna Catalog (RBC v.4.0), including 965, 967, 965, 953, and…
Determination of fundamental properties of an M31 globular cluster from main-sequence photometry
Jun Ma, Zhenyu Wu, Song Wang +5
M31 globular cluster B379 is the first extragalactic cluster, the age of which was determined by main-sequence photometry. In this method, the age of a cluster is obtained by fitti…
The Correlations between the Intrinsic Colors and Spectroscopic Metallicities of M31 Globular Clusters
Zhou Fan, Jun Ma, Xu Zhou +1
We present the correlations between the spectroscopic metallicities and ninety-three different intrinsic colors of M31 globular clusters, including seventy-eight BATC colors and fi…
The First Release of the CSTAR Point Source Catalog from Dome A, Antarctica
Xu Zhou, Zhou Fan, Zhaoji Jiang +29
In 2008 January the 24th Chinese expedition team successfully deployed the Chinese Small Telescope ARray (CSTAR) to DomeA, the highest point on the Antarctic plateau. CSTAR consist…
Testing and Data Reduction of the Chinese Small Telescope Array (CSTAR) for Dome A, Antarctica
Xu Zhou, Zhenyu Wu, Zhaoji Jiang +16
The Chinese Small Telescope ARray (hereinafter CSTAR) is the first Chinese astronomical instrument on the Antarctic ice cap. The low temperature and low pressure testing of the dat…