5 radio sources of the Zenith survey at RATAN-600: VLA maps, radio spectra and optical identification

Yu. N. Parijskij; W. M. Goss; O. V. Verkhodanov; A. I. Kopylov; N. S. Soboleva; A. V. Temirova

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5 radio sources of the Zenith survey at RATAN-600: VLA maps, radio spectra and optical identification

Yu. N. Parijskij·W. M. Goss·O. V. Verkhodanov·A. I. Kopylov·N. S. Soboleva·A. V. Temirova

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Abstract

VLA maps obtained at 1.4 GHz with a resolution of 2\farcs5$\times$2\arcsec for three sources and 6\farcs5$\times$2\farcs3 for two sources detected in the RATAN-600 Zenith survey of 1988 have been analyzed. All five objects have an extended structure. Continuous radio spectra of these objects prepared by using the CATS database and RATAN-600 observations are given. All five objects have linear steep spectra ($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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Yu. N. Parijskij, W. M. Goss, O. V. Verkhodanov, A. I. Kopylov, N. S. Soboleva, A. V. Temirova. 1999-10-21. 5 radio sources of the Zenith survey at RATAN-600: VLA maps, radio spectra and optical identification. https://arxiv.org/abs/astro-ph/9910383

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