NGC 4151 line-continuum diagram sequences

We present the first results of an 8-year spectroscopic monitoring of the Seyfert 1.5 galaxy NGC 4151 carried out with a CCD spectrograph at the 2.6-m Shajn Telescope of the...本研究报道了利用2.6米沙因望远镜（2.6-m Shajn Telescope）的电荷耦合器件摄谱仪（CCD spectrograph），对赛弗特1.5型星系（Seyfert 1.5 galaxy）NGC 4151开展的8年光谱监测所获得的首批成果。