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Proceedings Paper

Final redshift determination of LAMOST pilot survey
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Paper Abstract

Over 1 million spectra have been obtained by LAMOST telescope during its Pilot Survey, of which half million spectra are released. LAMOST 1D pipeline was designed to classify spectra, measure redshift, and estimate parameters. Data quality is a key factor that affect the results of our reduction. For high signal-to-noise(S/N) spectra, which have good qualities, the software shows a reasonable performance on not only the spectral classification but also the redshift measurement. For bad quality data, the software lost its stability and precision. Human check is adopted into our spectra processing and final data release. By calculate the confidence of our redshift measurement, we assess the correction of our redshift measurement and recalculate the low confidence redshift for data release.

Paper Details

Date Published: 24 September 2012
PDF: 8 pages
Proc. SPIE 8451, Software and Cyberinfrastructure for Astronomy II, 84512Z (24 September 2012); doi: 10.1117/12.925117
Show Author Affiliations
Fengfei Wang, Nanjing Institute of Astronomical Optics & Technology (China)
A-Li Luo, Nanjing Institute of Astronomical Optics & Technology (China)
Haotong Zhang, Nanjing Institute of Astronomical Optics & Technology (China)


Published in SPIE Proceedings Vol. 8451:
Software and Cyberinfrastructure for Astronomy II
Nicole M. Radziwill; Gianluca Chiozzi, Editor(s)

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