A sample of GHz-peaked spectrum sources selected at RATAN-600: spectral and variability properties
K. V. Sokolovsky (MPIfR, ASC Lebedev), Y. Y. Kovalev (MPIfR, ASC, Lebedev), Yu. A. Kovalev (ASC Lebedev), N. A. Nizhelskiy (SAO RAS), G. V., Zhekanis (SAO RAS)
TL;DR
This paper presents a new sample of 226 GHz-peaked spectrum radio source candidates identified through simultaneous multi-frequency observations, highlighting their spectral and variability characteristics across different optical classes.
Contribution
It introduces a novel sample of GPS sources selected solely based on broad-band radio spectra, including 60 newly identified candidates, using RATAN-600 data.
Findings
Identification of 60 new GPS source candidates.
Analysis of spectral properties across optical classes.
Insights into variability behaviors of GPS sources.
Abstract
We describe a new sample of 226 GPS (GHz-Peaked Spectrum) source candidates selected using simultaneous 1-22 GHz multi-frequency observations with the RATAN-600 radio telescope. Sixty objects in our sample are identified as GPS source candidates for the first time. The candidates were selected on the basis of their broad-band radio spectra only. We discuss the spectral and variability properties of selected objects of different optical classes.
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