SIMBAD references

2015MNRAS.448..855Y - Mon. Not. R. Astron. Soc., 448, 855-894 (2015/March-3)

LAMOST Spectroscopic Survey of the Galactic Anticentre (LSS-GAC): target selection and the first release of value-added catalogues.

YUAN H.-B., LIU X.-W., HUO Z.-Y., XIANG M.-S., HUANG Y., CHEN B.-Q., ZHANG H.-H., SUN N.-C., WANG C., ZHANG H.-W., ZHAO Y.-H., LUO A.-L., SHI J.-R., LI G.-P., YUAN H.-L., DONG Y.-Q., LI G.-W., HOU Y.-H. and ZHANG Y.

Abstract (from CDS):

As a major component of the LAMOST Galactic surveys, the LAMOST Spectroscopic Survey of the Galactic Anticentre (LSS-GAC) aims to survey a significant volume of the Galactic thin/thick discs and halo for a contiguous sky area of over 3400 deg2 centred on the Galactic anticentre ({verbar}b{verbar} ≤ 30°, 150 ≤ l ≤ 210°), and obtain λλ3700-9000 low-resolution (R ∼ 1800) spectra for a statistically complete sample of ∼ 3 M stars of all colours down to a limiting magnitude of r ∼ 17.8 mag (to 18.5 mag for limited fields). Together with Gaia, the LSS-GAC will yield a unique data set to advance our understanding of the structure and assemblage history of the Galaxy, in particular its disc(s). In addition to the main survey, the LSS-GAC will also target hundreds of thousands objects in the vicinity fields of M 31 and M 33 and survey a significant fraction (over a million) of randomly selected very bright stars (r ≤ 14 mag) in the Northern hemisphere. During the Pilot and the first year Regular Surveys of LAMOST, a total of 1042 586 [750 867] spectra of a signal-to-noise ratio S/N(7450 Å) ≥ 10 [S/N(4650 Å) ≥ 10] have been collected. In this paper, we present a detailed description of the target selection algorithm, survey design, observations and the first data release of value-added catalogues (including radial velocities, effective temperatures, surface gravities, metallicities, values of interstellar extinction, distances, proper motions and orbital parameters) of the LSS-GAC.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): surveys - stars: distances - dust, extinction - Galaxy: disc - Galaxy: stellar content - Galaxy: structure

Simbad objects: 7

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