5 radio sources of the Zenith survey at RATAN-600: VLA maps, radio spectra and optical identification
Parijskij, Yu. N. · Goss, W. M. · Verkhodanov, O. V. · Kopylov, A. I. · Soboleva, N. S. · Temirova, A. V.
Original · EN
VLA maps obtained at 1.4 GHz with a resolution of 25×2 for three sources and 65×23 for two sources detected in the RATAN-600 Zenith survey of 1988 have been analyzed. All five objects have an extended structure. Continuous radio spectra of these objects prepared by using the CATS database and RATAN-600 observations are given. All five objects have linear steep spectra (α< -0.65). Using APM database and DSS we have found three candidates for identification. Two radio sources have been observed with the 6 m telescope. The nature of the studied objects, one of which is classified as QSO (BSO) and two others as galaxies, is discussed. One of the radio sources, RZ5, being a merging group of one large and several small galaxies, may have appeared in this process.
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