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
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