CyberinfraV1, Main, Exploration, bibRecord, 000B39

Calibration of LAMOST Spectral Analysis

Identifieur interne : 000B39 ( Main/Exploration ); précédent : 000B38; suivant : 000B40

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

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000046
to stream PascalFrancis, to step Curation: 000199
to stream PascalFrancis, to step Checkpoint: 000146
to stream Main, to step Merge: 000B45
to stream Main, to step Curation: 000B39

Le document en format XML

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<term>Meteorology</term>
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<front><div type="abstract" xml:lang="en">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.</div>
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Calibration of LAMOST Spectral Analysis

Calibration of LAMOST Spectral Analysis

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri