Optical identifications of galaxy clusters among objects from the second Planck 
catalogue of Sunyaev–Zeldovich sources

Zaznobin, I. A.; Burenin, R. A.; Bikmaev, I. F.; Khamitov, I. M.; Khorunzhev, G. A.; Konoplev, V. V.; Eselevich, M. V.; Afanasiev, V. L.; Dodonov, S. N.; Rubiño-Martín, J.-A.; Aghanim, N.; Sunyaev, R. A.

doi:10.1134/S1063773719020063

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Optical identifications of galaxy clusters among objects from the second Planck catalogue of Sunyaev–Zeldovich sources

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Sunyaev, R. A.
High Energy Astrophysics, MPI for Astrophysics, Max Planck Society;

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Citation

Zaznobin, I. A., Burenin, R. A., Bikmaev, I. F., Khamitov, I. M., Khorunzhev, G. A., Konoplev, V. V., et al. (2019). Optical identifications of galaxy clusters among objects from the second Planck catalogue of Sunyaev–Zeldovich sources. Astronomy Letters - a Journal of Astronomy and Space Astrophysics, 45(2), 49-61. doi:10.1134/S1063773719020063.

Cite as: https://hdl.handle.net/21.11116/0000-0003-AFB0-1

Abstract

We present the results of optical identifications and spectroscopic redshift measurements for galaxy clusters from the second Planck catalogue of Sunyaev-Zeldovich sources. We used the data of observations with the 1.5-m Russian-Turkish telescope (RTT150), the 1.6-m Sayan Observatory AZT-33IK telescope, the 3.5-m Calar Alto telescope, and the 6-m SAO RAS telescope (Bolshoi Teleskop Azimutalnyi, BTA). For the observations we selected Sunyaev-Zeldovich sources unidentified with galaxy clusters with known redshifts. The observations have been carried out for three years, as a result of which we obtained direct images in various filters for a set of galaxy clusters and spectra for the brightest red-sequence galaxies of these clusters. For 38 galaxy clusters we obtained spectroscopic redshift measurements.