Discovery of Correlated Behavior Between the HXR and the Radio Bands in Cygnus X-3

Details Discovery of Correlated Behavior Between the HXR and the Radio Bands in Cygnus X-3 Discovery of Correlated Behavior Between the HXR and the Radio Bands in Cygnus X-3

1998-10-14

arxiv.org/abs/astro-ph/9810212v1

Astronomy and Astrophysics

Astrophysics

19 pages, Latex, 4 figures, 2 tables, submitted to Ap.J

Scientific paper

10.1086/307241

Using CGRO/BATSE hard X-ray (HXR) data and GHz radio monitoring data from the Green Bank Interferometer (GBI), we have performed a long term study ($\sim$ 1800 days) of the unusual X-ray binary Cyg X-3 resulting in the discovery of a remarkable relationship between these two wavelength bands. We find that, during quiescent radio states, the radio flux is strongly anticorrelated with the intensity of the HXR emission. The relationship switches to a correlation with the onset of major radio flaring activity. During major radio flaring activity the HXR drops to a very low intensity during quenching in the radio and recovers during the radio flare. Injection of plasma into the radio jets of Cyg X-3 occurs during changes in the HXR emission and suggests that disk-related and jet-related components are responsible for the high energy emission.

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