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Spectroscopic Redshift Determination for a Sample of Distant Quasars Detected by the SRG Observatory Based on RTT-150 Observations. II.

Spectroscopic Redshift Determination for a Sample of Distant Quasars Detected by the SRG Observatory Based on RTT-150 Observations. II.

Authors :
Bikmaev, I. F.
Irtuganov, E. N.
Nikolaeva, E. A.
Sakhibullin, N. A.
Gumerov, R. I.
Sklyanov, A. S.
Glushkov, M. V.
Khamitov, I. M.
Borisov, V. D.
Burenin, R. A.
Zaznobin, I. A.
Krivonos, R. A.
Lyapin, A. R.
Medvedev, P. S.
Meshcheryakov, A. V.
Sazonov, S. Yu.
Sunyaev, R. A.
Khorunzhev, G. A.
Gilfanov, M. R.
Source :
Astronomy Letters; May2021, Vol. 47 Issue 5, p277-290, 14p
Publication Year :
2021

Abstract

Results of the spectroscopic observations at the 1.5-m Russian–Turkish telescope for another group of 12 X-ray sources discovered by the eROSITA telescope onboard the SRG space observatory and identified by the SRGz machine learning system as candidates for distant X-ray quasars are presented. Ten objects have been confirmed as quasars at redshifts and two sources have turned out to be active galactic nuclei (AGNs) at and . [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
10637737
Volume :
47
Issue :
5
Database :
Complementary Index
Journal :
Astronomy Letters
Publication Type :
Academic Journal
Accession number :
151818652
Full Text :
https://doi.org/10.1134/S1063773721050029