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The LEGUE high latitude bright survey design for the LAMOST pilot survey

Xu, Yan; Lépine, Sébastien; Deng, Li-Cai +14 more

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 spectroscop…

Micro-arcsecond Celestial Reference Frames: definition and realization — Impact of the recent IAU Resolutions

Capitaine, Nicole

The adoption of the International Celestial Reference System (ICRS), based on Very Long Baseline Interferometry (VLBI) observations of extragalactic radiosources by the International Astronomical Union (IAU) since 1998 January 1, opened a new era for astronomy. The ICRS and the corresponding frame, the International Celestial Reference Frame (ICRF…