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Search for Candidate Objects with the Sunyaev–Zeldovich Effect on Planck Maps in the Neighborhood of RCR Catalog Radio Sources
Astrophysical Bulletin ( IF 1.3 ) Pub Date : 2020-07-27 , DOI: 10.1134/s1990341320020091 E. K. Majorova , O. V. Verkhodanov , O. P. Zhelenkova
中文翻译:
在RCR目录无线电源附近的普朗克地图上搜索具有Sunyaev–Zeldovich效应的候选对象
更新日期:2020-07-27
Astrophysical Bulletin ( IF 1.3 ) Pub Date : 2020-07-27 , DOI: 10.1134/s1990341320020091 E. K. Majorova , O. V. Verkhodanov , O. P. Zhelenkova
Abstract
Millimeter- and submillimeter-wave maps are used to select potential candidate objects with the Sunyaev–Zeldovich effect in the vicinity of RCR (RATAN Cold Refined) radio sources. The properties of “hot” and “cold” spots in the right-ascension interval 2h ≤ RA ≤ 17h and the declination strip \({\text{De}}{{{\text{c}}}_{{2000}}} = 45^\circ .9' \pm 15'\) are studied. In the entire strip a total of 135 candidate objects with the Sunyaev–Zeldovich effect are found. A total of 86 objects are located within 7′ from RCR catalog sources. The effect shows up most conspicuously in the vicinity of 25 RCR sources. Clusters of galaxies or radio sources are found near the overwhelming majority of spots with the Sunyaev–Zeldovich effect. The distributions of radio spectral indices of the objects and the signal on microwave maps in the direction of radio sources are statistically analyzed. It is shown that when observed at microwave frequencies a number of objects are associated with sources with inverted spectra.中文翻译:
在RCR目录无线电源附近的普朗克地图上搜索具有Sunyaev–Zeldovich效应的候选对象