[ Previous | Next | ADS ]

Detection of the new activity in V404 Cyg with RATAN-600

ATel #8454; S. A. Trushkin, N. A. Nizhelskij, P. G. Tsybulev (SAO RAS, Russia)
on 23 Dec 2015; 13:47 UT
Credential Certification: Sergei Trushkin (satr@sao.ru)

Subjects: Radio, Millimeter, Optical, X-ray, Gamma Ray, Binary, Black Hole

Referred to by ATel #: 8462, 8475, 8482, 8489, 8499, 8501, 8512, 8520, 8531

After Swift trigger of the V404 Cyg (Barthelmy et al., GCN #18716) we have observed the object with the RATAN-600 radio telescope. The fluxes are detected 22 +-5, 33+-5, 45+-10 mJy at 4.6, 8.2, and 11.2 GHz respectively at MJD57379.44 (23 Dec). The spectrum is well fitted by the power law with positive spectral index: S[mJy] = 6.5 nu^+0.8 [GHz], usual for optically thick radio emission in the beginning of a flare in the microquasars. We will continue the observations.