Spectral and photometric study of the Seyfert Galaxy MRK 1095 (ARK 120)

S. Shomshekova, E. Denissyuk
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Abstract

Spectral observations of Seyfert galaxies at the Fesenkov Astrophysical Institute (FAI) have been carried out for about 50 years, and photometric observations in 𝐵𝑉𝑅 filters have been performed over the past 10 years. The telescope 𝐴𝑍𝑇 − 8 and two 1-meter reflectors located at the high-mountain Tyan-Shan Observatory (TShAO) are used for observations. In addition, archival spectral data obtained in 1970–1990 with an image tube and astronomical film are used to reveal the long-term changes in selected Sy. Digitization of these archival materials is currently being carried out at FAI. In this paper, we present the results of the long-term observations of the Seyfert galaxy Mrk 1095 (Ark 120) and an analysis of its photometric and spectral variability. According to the observations of 2007 − 2021, the variability of the continuum level and radiation fluxes in the emission lines in the spectrum of Mrk 1095 was registered.
塞弗特星系MRK 1095 (ARK 120)的光谱和光度研究
Fesenkov天体物理研究所(FAI)对Seyfert星系的光谱观测已经进行了大约50年,而在过去的10年里,人们也对其进行了分光光度观测。观测使用了位于高山天山天文台(TShAO)的两台1米反射镜和望远镜(𝑍𝑇−8)。此外,本文还利用1970-1990年利用象管和天文底片获得的档案光谱数据,揭示了所选星系的长期变化。这些档案材料的数字化目前正在FAI进行。本文介绍了对塞弗特星系Mrk 1095 (Ark 120)的长期观测结果,并对其光度和光谱变化进行了分析。根据2007 ~ 2021年的观测资料,记录了Mrk 1095光谱发射谱线的连续能级和辐射通量的变率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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