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Spectroscopic Redshift Measurements for Galaxy Clusters from the Lockman Hole Survey with the eROSITA Telescope Onboard the SRG Observatory
Astronomy Letters ( IF 1.1 ) Pub Date : 2021-06-22 , DOI: 10.1134/s1063773721030075
I. A. Zaznobin , R. A. Burenin , A. R. Lyapin , G. A. Khorunzhev , V. L. Afanasiev , A. A. Grokhovskaya , S. N. Dodonov , M. V. Eselevich , R. I. Uklein , I. F. Bikmaev , I. M. Khamitov , M. R. Gilfanov , N. S. Lyskova , P. S. Medvedev , R. A. Sunyaev

Abstract

We present the first results of our program of optical observations for galaxy clusters from the Lockman Hole X-ray survey with the eROSITA telescope onboard the SRG space observatory. We present the results of spectroscopic redshift measurements for 11 galaxy clusters that have been identified optically among the extended X-ray sources of the SRG/eROSITA survey using data from optical and infrared sky surveys. The spectroscopic observations were carried out in late 2019–early 2020 with the 1.6-m AZT-33IK telescope of the Sayan Observatory and the 6-m SAO RAS telescope (Bolshoi Teleskop Azimutalnyi, BTA).



中文翻译:

使用 SRG 天文台上的 eROSITA 望远镜对洛克曼孔调查中星系团的光谱红移测量

摘要

我们展示了我们使用 SRG 空间天文台上的 eROSITA 望远镜进行的洛克曼霍尔 X 射线巡天星系团光学观测计划的第一个结果。我们展示了 11 个星系团的光谱红移测量结果,这些星系团已在 SRG/eROSITA 调查的扩展 X 射线源中使用光学和红外天空调查的数据进行光学识别。光谱观测于 2019 年底至 2020 年初使用萨彦天文台的 1.6 米 AZT-33IK 望远镜和 6 米 SAO RAS 望远镜(Bolshoi Teleskop Azimutalnyi,BTA)进行。

更新日期:2021-06-22
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