Optical Identifications of Galaxy Clusters Among Objects from the Second Planck Catalogue of Sunyaev–Zeldovich SourcesZaznobin I.,
Burenin R.,
Bikmaev I.,
Khamitov I.,
Khorunzhev G.,
Konoplev V.,
Eselevich M.,
Afanasiev V.,
Dodonov S.,
Rubiño-Martín J.,
Aghanim N.,
Sunyaev R. and spectroscopic redshift measurements for galaxy clusters from the second Planck catalogue of
Sunyaev Photometry and spectroscopy of IGR J21247+5058 radiogalaxy with RTT150 optical telescope RTTl50 with Andor CCD and TFOSC instrument.
R-band images obtained at 0.8 arcsec seeing
Optical identification of the hard X-ray source IGR J18257-0707 associatedwith a faint optical object (m
R ≈ 20.4) whose optical spectrumexhibits a broad H α emission line