UDC 53
UDC 520
UDC 521
UDC 523
UDC 524
UDC 52-1
UDC 52-6
CSCSTI 41.00
CSCSTI 29.35
CSCSTI 29.31
CSCSTI 29.33
CSCSTI 29.27
CSCSTI 29.05
Russian Classification of Professions by Education 03.06.01
Russian Classification of Professions by Education 03.05.01
Russian Classification of Professions by Education 03.04.03
Russian Library and Bibliographic Classification 2
Russian Library and Bibliographic Classification 223
Russian Trade and Bibliographic Classification 614
Russian Trade and Bibliographic Classification 6135
BISAK SCI004000 Astronomy
BISAK SCI005000 Physics / Astrophysics
Using modern radio, infrared and optical sky surveys, hosts have been found for the vast majority of radio sources detected by the Cold experiment and included in the RATAN Cold Refined (RCR) catalog. In this paper, we present details of the optical identification of one of the objects in the RCR catalog – a double radio source RCR J090511.74+045536.8. Initially, we matched it with the to SDSS J090511.94+045537.6, which we assumed to be a supernova that exploded in the host galaxy of the radio source. This hypothesis had to be abandoned, however, as to its properties the SDSS database indicated that it was an asteroid. Searching for the host galaxy of the radio source in deeper optical surveys allowed us to detect an object fainter than
galaxies: active, high redshift
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