Chromospheric variabilities of M active stars based on Guoshoujing Telescope
Autor: | Pi, Q. F., Zhang, L. Y., Shi, J. R., Wu, H., Zhao, Y. H., Luo, A. L., Zhao, J. K., Zhou, A. Y., Fang, X. S., Collaboration, Lamost |
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Rok vydání: | 2013 |
Předmět: | |
Druh dokumentu: | Working Paper |
DOI: | 10.1017/S1743921313006996 |
Popis: | 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. Comment: 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 |
Databáze: | arXiv |
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