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Error Analysis of SDSS/LAMOST Stellar Radial Velocity Measurement

Published online by Cambridge University Press:  06 January 2014

Fengfei Wang ,
Ali Luo  and
Haotong Zhang
Fengfei Wang
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences 20A Datun Road, Chaoyang District, Beijing, China email: ffwang@nao.cas.cn
Ali Luo
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences 20A Datun Road, Chaoyang District, Beijing, China email: ffwang@nao.cas.cn
Haotong Zhang
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences 20A Datun Road, Chaoyang District, Beijing, China email: ffwang@nao.cas.cn
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Abstract

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We select super high quality spectra of spectral type A, F, G, K, M stars from SDSS C DR7. We mix our spectra with noise and then measure their radial velocity. The analysis shows that the accuracy of K, M type stars is much better than A, F stars. With our relationship between the signal-to-noise and accuracy of radial velocity measurement of different spectral type, we provide a good reference for stellar study related to radial velocity.

Keywords

methods: statisticaltechniques: radial velocities
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S298: Setting the scene for Gaia and LAMOST , May 2013 , pp. 444
Copyright
Copyright © International Astronomical Union 2014 

References

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