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Chromospheric activities of late-type stars based on Guoshoujing Telescope

Published online by Cambridge University Press:  06 January 2014

L. Y. Zhang ,
G. Y. Zhang ,
J. R. Shi ,
A. L. Luo ,
J. K. Zhao ,
Y. H. Zhao ,
H. Wu ,
A. Y. Zhou ,
Q. F. Pi  and
LAMOST Collaboration
L. Y. Zhang
Affiliation:
College of Science / Department of Physics, Guizhou University, Guiyang 550025, China email: Liy_zhang@hotmail.com
G. 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
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
Y. H. Zhao
Affiliation:
National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, China
H. Wu
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
Q. F. Pi
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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We present chromospheric activities of late-type stars based on stellar spectrum survey of LAMOST (also called GuoShouJing telescope) in 2010-2013. Using the equivalent widths of the Hα line (larger than 1 Å), we have found 6391 active stars from 99741 M stars.

Keywords

stars: late-typestars: activitystars: chromospheresstars: spectrastars: low-mass

References

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