To the problem of the secondary CMB anisotropy separation

Abstract

Abstract.We study contribution to the secondary anisotropy maps of cosmic microwave background (CMB) radiation which difficult to account for faint sources. Two effects are investigated. They are the Sunyaev-Zeldovich effect connected with the inverse Compton scattering of CMB photons on hot electrons of cluster of galaxies, and contamination of the background by weak extragalctic sources. First, we study fields of the Planck CMB maps around radio sources of the RATAN-600 catalog. We see weak microwave sources which make an additional contribution to the secondary anisotropy on angular small scales (< 7 ). An algorithm for selecting candidate objects with the SunyaevZeldovich effect was proposed, based on the use of data on the radio spectral indices and the signal in cosmic-microwave background maps. Second, applying the stacking method, we examine the areas of the CMB maps, constructed according to the Planck Space Observatory data in the neighborhood of different populations of radio sources and giant elliptical galaxies. The samples of objects include giant radio galaxies (GRG), radio sources, selected by the radio spectral index and redshift, as well as the gammaray bursts, used as a secondary comparative sample. The signal from this objects exists on CMB maps and its difference in the neighborhood of GRGs from the other types of objects was discovered.

Simultaneous spectra and radio properties of BL Lacs

“…The experimental data were processed using the modules of the FADPS (Flexible Astronomical Data Processing System) standard reduction package by Verkhodanov (); this is a reduction system for data from the broadband continuum radiometers of the RATAN‐600 secondary mirror. The processing methods are described in Mingaliev et al () ().…”

Investigation of the RCR catalog sources in the millimeter and submillimeter ranges based on the Planck mission data

“…We used the CATS database of radio astronomical catalogs (http://cats.sao.ru) [63,64] while constructing continuous radio spectra. In our work we also used the astronomical data processing system FADPS [65,66] and the GLESP package [24,27,67] for the analysis of extended radiation on a sphere. Investigations on this topic were partially supported by grants No.…”