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Chromospheric variabilities of M active stars based on Guoshoujing Telescope

Published online by Cambridge University Press:  06 January 2014

Q. F. Pi ,
L. Y. Zhang ,
J. R. Shi ,
H. Wu ,
Y. H. Zhao ,
A. L. Luo ,
J. K. Zhao ,
A. Y. Zhou ,
X. S. Fang  and
Lamost Collaboration
Q. F. Pi
Affiliation:
College of Science/Department of Physics, Guizhou University, Guiyang 550025, China email: Liy_zhang@hotmail.com
L. Y. Zhang
Affiliation:
College of Science/Department of Physics, Guizhou University, Guiyang 550025, China email: Liy_zhang@hotmail.com
J. R. Shi
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
H. Wu
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
Y. H. Zhao
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
A. L. Luo
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
J. K. Zhao
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
A. Y. Zhou
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
X. S. Fang
Affiliation:
College of Science/Department of Physics, Guizhou University, Guiyang 550025, China email: Liy_zhang@hotmail.com
Lamost Collaboration
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
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Abstract

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For the M active catalogue of Guoshoujing Telescope (LAMOST), 933 sources are presented in at least two exposures. We found that many M active stars show chromospheric variability in the Ca II H, Hα, Hβ, and Hγ lines on short or long timescales.

Keywords

stars: Mstars: activitystars: chromospheresstars: spectra
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S298: Setting the scene for Gaia and LAMOST , May 2013 , pp. 433
Copyright
Copyright © International Astronomical Union 2014 

References

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