Chromospheric variabilities of M active stars based on Guoshoujing Telescope

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; Lamost Collaboration

doi:10.1017/S1743921313006996

Chromospheric variabilities of M active stars based on Guoshoujing Telescope

Solar and Stellar Astrophysics 2015-06-16 v1

Authors: 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 , Lamost Collaboration

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Abstract

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 variabilities in the Ca H, H $_{\alpha}$ , H $_{\beta}$ , and H $_{\gamma}$ lines on short or long timescales.

Keywords

m active stars chromospheric variability lamost guoshoujing telescope spectral lines stellar activity

Cite

@article{arxiv.1307.4645,
  title  = {Chromospheric variabilities of M active stars based on Guoshoujing Telescope},
  author = {Q. F. Pi and L. Y. Zhang and J. R. Shi and H. Wu and Y. H. Zhao and A. L. Luo and J. K. Zhao and A. Y. Zhou and X. S. Fang and Lamost Collaboration},
  journal= {arXiv preprint arXiv:1307.4645},
  year   = {2015}
}

Comments

1 page, 1 figure, To appear in Proceedings IAU Symposium No. 298, "Setting the scene for Gaia and LAMOST", eds. S. Feltzing, G. Zhao, N. A. Walton, and P. A. Whitelock

Chromospheric variabilities of M active stars based on Guoshoujing Telescope

Abstract

Keywords

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