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Measuring Stellar Radial Velocity using Markov Chain Monte Carlo(MCMC) Method

Published online by Cambridge University Press:  06 January 2014

Yihan Song ,
Ali Luo  and
Yongheng Zhao
Yihan Song
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing, China email: [email protected], [email protected], [email protected]
Ali Luo
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing, China email: [email protected], [email protected], [email protected]
Yongheng Zhao
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing, China email: [email protected], [email protected], [email protected]
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Abstract

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Stellar radial velocity is estimated by using template fitting and Markov Chain Monte Carlo(MCMC) methods. This method works on the LAMOST stellar spectra. The MCMC simulation generates a probability distribution of the RV. The RV error can also computed from distribution.

Keywords

Radial VelocityTemplatesMCMCetc
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S298: Setting the scene for Gaia and LAMOST , May 2013 , pp. 441
Copyright
Copyright © International Astronomical Union 2014