1206.3378 (Li Chen et al.)

The LEGUE disk target selection for the LAMOST pilot survey    [PDF]

Li Chen, Jinliang Hou, Jincheng Yu, Chao Liu, Licai Deng, Heidi Jo Newberg, Jeffrey L. Carlin, Fan Yang, Yueyang Zhang, Shiyin Shen, Haotong Zhang, Jianjun Chen, Yuqing Chen, Norbert Christlieb, Zhanwen Han, Hsu-Tai Lee, Xiaowei Liu, Kaike Pan, Jianrong Shi, Hongchi Wang, Zi Zhu

We describe the target selection algorithm for the low latitude disk portion of the LAMOST Pilot Survey, which aims to test systems in preparation for the LAMOST spectroscopic survey. We use the PPMXL (Roeser et al. 2010) astrometric catalog, which provides positions, proper motions, B/R/I magnitudes (mostly) from USNO-B (Monet et al. 2003) and J/H/Ks from The Two Micron All Sky Survey (2MASS, see Skrutskie et al. 2006) as well. We chose 8 plates along the Galactic plane, in the region $0^\circ<\alpha<67^\circ$ and $42^\circ<\delta<59^\circ$, that cover 22 known open clusters with a range of ages. Adjacent plates may have small overlapping. Each plate covers an area $2.5^\circ$ in radius,with central star (for Shark-Hartmann guider) brighter than $\sim8^{\rm th}$ magnitude. For each plate, we create an input catalog in the magnitude range $11.3View original: http://arxiv.org/abs/1206.3378