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The RATAN-600 Multi-Frequency Catalogue of Blazars-BLcat

期刊

ASTROPHYSICAL BULLETIN
卷 77, 期 4, 页码 361-371

出版社

MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S1990341322040149

关键词

catalogues; galaxies; active; BL Lacertae objects; general; quasars; radio continuum

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This paper presents the updated version of the RATAN-600 multi-frequency catalogue of BL Lacertae objects, which now includes flat-spectrum radio quasars (FSRQs). The catalogue provides radio continuum data for blazars at various frequencies and additional data from external sources for a more comprehensive study. Tools for calculating spectral index, variability index, and radio luminosity are also developed for user convenience. The paper briefly describes the basic radio properties of different types of blazars in the catalogue.
In this paper we present the RATAN-600 multi-frequency catalogue of blazars, an updated version of the BLcat: the RATAN-600 multi-frequency catalogue of BL Lacertae objects. The main novelty in the catalogue is an extension of the sample with flat-spectrum radio quasars (FSRQs), thus currently it contains more than 1700 blazars of different types. The main feature of the BLcat is a compilation of radio continuum data for blazars based on the RATAN-600 quasi-simultaneous measurements at frequencies of 1.2, 2.3, 4.7, 7.7/8.2, 11.2, and 21.7/22.3 GHz. We additionally supplement the catalogue with the radio data from external sources to provide an opportunity to more complete study of radio spectra and radio light curves. For the convenience of users, we developed tools to calculate the spectral index, variability index, and radio luminosity. We briefly describe basic radio properties of blazar subsamples of the catalogue: spectral classification, spectral indices, flux density variability, and radio luminosity.

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