The plate candidates and tiling method for LAMOST pilot survey

Hailong Yuan; Haotong Zhang; Yajuan Lei; Yiqiao Dong

doi:10.1117/12.925359

13 September 2012 The plate candidates and tiling method for LAMOST pilot survey

Hailong Yuan, Haotong Zhang, Yajuan Lei, Yiqiao Dong

Proceedings Volume 8448, Observatory Operations: Strategies, Processes, and Systems IV; 84482A (2012) https://doi.org/10.1117/12.925359
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

A LAMOST survey observation plate should have a bright star in the center for Shack-Hartmann wave front estimation. Given the plate position, there should be at least one proper guide star on each guide CCD after a small angle focal plate rotation. The detailed requirements vary according to different observation condition. As a consequence, the plate center cannot be placed arbitrarily. Using the HIPMAIN star catalog as the initial candidates and the USNO-B1.0 catalog for neighbor star reference, several lists of acceptable survey plate centers are generated for different observation conditions. The sky area coverage is tested with each plate list. Tiling algorithms using these finite plate centers are optimized for the purpose of evenly sampling and catalog completeness. The tiling is much easier for dark nights than bright nights as there are more optional plate centers. The result is applied in the LAMOST pilot survey for verification and feedback is used to update the lists retentively.

Citation Download Citation

Hailong Yuan, Haotong Zhang, Yajuan Lei, and Yiqiao Dong "The plate candidates and tiling method for LAMOST pilot survey", Proc. SPIE 8448, Observatory Operations: Strategies, Processes, and Systems IV, 84482A (13 September 2012); https://doi.org/10.1117/12.925359

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