This is a detailed spectral classification of 198 candidate active galactic nuclei (AGN) from a joint HRC/BHRC sample consisting of a combination of the HRC (Hamburg-ROSAT) and BHRC (Byurakan-ROSAT) catalogs. These objects have been identified as optical counterparts of ROSAT x-ray sources, but spectra for 198 of them are given in the SDSS without determinations of their spectral classification. They are studied using the SDSS spectra and detailed types of activity are found for them. For a more reliable classification, three diagnostic diagrams have been used, along with direct studies of the spectra. These sources were also identified in other wavelength ranges and their physical parameters have also been calculated.

中文翻译：

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从 HRC/BHRC 样本中选择的星系活动类型。二

这是来自 HRC/BHRC 联合样本的 198 个候选活动星系核 (AGN) 的详细光谱分类，该样本由 HRC (Hamburg-ROSAT) 和 BHRC (Byurakan-ROSAT) 目录组成。这些物体已被确定为 ROSAT X 射线源的光学对应物，但 SDSS 中给出了其中 198 个的光谱，而没有确定它们的光谱分类。使用 SDSS 光谱对它们进行研究，并为它们找到详细的活动类型。为了更可靠的分类，使用了三个诊断图，以及对光谱的直接研究。这些光源也在其他波长范围内被识别出来，并且它们的物理参数也已经被计算出来。