A diagnostic diagram for Seyfert 2 Galaxies

We present and discuss a three-dimensional diagnostic diagram for Seyfert 2 galaxies obtained using X-ray and [O III] data on a large sample of objects (reported in the...我们提出并讨论了一套针对赛弗特2型星系（Seyfert 2 galaxies）的三维诊断图，该诊断图基于大样本天体的X射线（X-ray）与[O III]数据构建而成，相关内容已在……中予以报道。