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1篇 您的检索式:作者名="Norbert Chfi"
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1The LEGUE high latitude bright survey design for the LAMOST pilot survey显示文摘We describe the footprint and input catalog for bright nights in the LAMOST Pilot Survey, which began in October 2011. Targets are selected from two stripes in the north and south Galactic Cap regions, centered at δ = 29 , with 10 width in declination, covering right ascensions of 135 to 290 and 30 to 30 respectively. We selected spectroscopic targets from a combination of the SDSS and 2MASS point source catalogs. The catalog of stars defining the field centers (as required by the Shack-Hartmann wavefront sensor at the center of the LAMOST field) consists of all V < 8 m stars from the Hipparcos catalog. We employ a statistical selection algorithm that assigns priorities to targets based on their positions in multidimensional color/magnitude space. This scheme overemphasizes rare objects and de-emphasizes more populated regions of magnitude and color phase space, while ensuring a smooth, well-understood selection function. A demonstration of plate design is presented based on the Shack-Hartmann star catalog and an input catalog that was generated by our target selection routines.Yue-Yang Zhang Jeffrey L. Carlin Fan Yang Chao Liu Li-Cai Deng Heidi Jo Newberg Hao-Tong Zhang Sebastien Lepine Yan Xu Shuang Gao Norbert Chfi' stlieb Zhan-Wen Han Jin-Liang Hou Hsu-Tai Lee Xiao-Wei Liu Kai-Ke Pan Hong-Chi Wang 2012Research in Astronomy and Astrophysics2012,12,7:0
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