QSO 短波长范围分析

Communications of the Byurakan Astrophysical Observatory Pub Date : 2024-01-09 DOI:10.52526/25792776-23.70.2-361

A. G. Sukiasyan, A. Mickaelian, H. Abrahamyan, G. Paronyan, G. Mikayelyan

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引用次数: 0

摘要

在这项工作中，我们尝试利用光学光谱中的 MgII 2798 Å 线对天体进行分类。为此，我们使用了 BZCAT 星表中的 BZQ 类型天体。从SDSS星表中我们得到了618个BZQ天体的光学光谱，其中只有139个天体同时存在MgII和Hβ线（z=0.3345-1.0915）。根据 MgII 线的形状，我们把这些光谱分成了三类：宽窄、宽+窄和宽。

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Analysis of the short wavelength range of QSOs

In this work we try to classify objects using the MgII 2798 Å line from optical spectra. For that, we use BZQ type objects from BZCAT catalogue. From SDSS catalogues we have 618 BZQ objects which have optical spectra and only in 139 objects there are MgII and Hβ lines simultaneously (z=0.3345-1.0915). By the shape of MgII lines, we grouped these spectra into 3 categories: Broad & Narrow, Broad+Narrow, and Broad.

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Communications of the Byurakan Astrophysical Observatory

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