Advanced stream search for galaxy clusters with multifrequency microwave data
Special Astrophysical Observatory, Russian Academy of Sciences, Nizhnii Arkhyz, 369167 Russia
2 Kazan (Volga region) Federal University, Kazan, 420008 Russia
3 Saint Petersburg branch of the Special Astrophysical Observatory of the Russian Academy of Sciences, Saint Petersburg, 196140 Russia
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Published online: 31 October 2018
Based on the data from the Westerbork Northern Sky Survey performed at a frequency of 325 MHz in the range of right ascensions 0h ≤ α < 2h and declinations 29o < δ < 78o and using multifrequency Planck maps, we selected candidate objects with the Sunyaev-Zeldovich effect. The list of the most probable candidates includes 381 sources. It is shown that the search for such objects can be accelerated by using a priori data on the negative level of fluctuations in the CMB map with remote low multipoles in the direction to radio sources.
© The Authors, published by EDP Sciences, 2018
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