The variable radio emission from GRS 1915+105

Abstract

We present data on the monitoring of the Galactic X-ray transient GRS 1915+105 at 15 GHz with the Ryle Telescope. We have found quasi-periodic oscillations with periods in the range 20-40 min which are tentatively associated with the soft-X-ray variations on the same time-scale. The overall behaviour of the radio emission is shown to vary in a strong association with the X-ray emission as recorded by the RXTE all-sky monitor.

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