Jurkevich法相关论文
Optical monitoring of the Seyfert galaxy NGC 4151 and possible periodicities in its historical light
我们报导 Seyfert 星系 NGC 4151 的乐队电荷耦合器件光度学从 2005 12 月在上海天文台在山东大学和 1.56 m 望远镜的 Weihai 天文......
PKS 2155-304 is a well studied BL Lac object in the southern sky. The historical optical data during different periods h......
We analyze the radio spectral index of blazars from the University of Michigan Radio Astronomy Observatory database,and ......