The RATAN-600 multi-frequency catalogue of blazars -- BLcat
Yu. Sotnikova (1), T. Mufakharov (1,2), R. Udovitskiy (1), M., Mingaliev (1,2,3), T. Semenova (1), A. Erkenov (1), N. Bursov (1), A., Mikhailov (1), and Yu. Cherepkova (1) ((1) Special Astrophysical Observatory, of RAS, (2) Kazan Federal University

TL;DR
This paper introduces an expanded multi-frequency radio catalogue of over 1700 blazars, including FSRQs, with tools for spectral and variability analysis based on RATAN-600 data and external sources.
Contribution
The paper presents an updated, comprehensive blazar catalogue with extended sample size and new analysis tools for radio spectra and variability studies.
Findings
Catalogue contains over 1700 blazars of various types.
Includes quasi-simultaneous multi-frequency radio measurements.
Provides tools for spectral index, variability index, and luminosity calculations.
Abstract
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…
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