CyberinfraV1, PascalFrancis, Checkpoint, bibRecord, 000146

Calibration of LAMOST Spectral Analysis

Identifieur interne : 000146 ( PascalFrancis/Checkpoint ); précédent : 000145; suivant : 000147

Calibration of LAMOST Spectral Analysis

Auteurs : F. F. Wang [République populaire de Chine] ; A. L. Luo [République populaire de Chine] ; Y. H. Zhao [République populaire de Chine]

Source :

Proceedings of SPIE, the International Society for Optical Engineering [ 0277-786X ] ; 2010.

RBID : Pascal:11-0070247

Descripteurs français

Pascal (Inist)
- Classification, Cosmologie, Processeur pipeline, Astrophysique, Météorologie, Température superficielle, Gravité, Voie lactée, Etalonnage, Analyse spectrale, Erreur systématique, Pipeline, Mesure vitesse.
Wicri :
- topic : Classification, Cosmologie, Météorologie.

English descriptors

KwdEn :
- Astrophysics, Bias, Calibration, Classification, Cosmology, Gravity, Meteorology, Milky Way, Pipeline processor, Pipelines, Spectral analysis, Surface temperature, Velocity measurement.

Abstract

The Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) started its test observation in the past year (2009). The spectroscopic reduction and analysis software is avalible for the determination of spectral classifications, redshifts and the fundamental stellar atmospheric parameters (effective temperature, surface gravity, and metallicity). The analysis results show some systematic errors that need to be calibrated. We will present the results of these calibrations in this paper. Comparing with known objects observed by the Sloan Digital Sky Survey (SDSS), we can calibrate the redshifts of LAMOST galaxy spectra. Results from external spectral analysis software, the Sloan Extension for Galactic Exploration and Understanding (SEGUE) Stellar Parameter Pipeline (SSPP), will be applied to check the accuracy of the radial velocity (RV) measurement. Meanwhile, the atmospheric parameters of LAMOST stellar spectra are compared with known objects for calibrating our spectral analysis.

Affiliations:

République populaire de Chine

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Le document en format XML

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Calibration of LAMOST Spectral Analysis

Calibration of LAMOST Spectral Analysis

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