The disc-jet connection in GRS 1915+105
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We have compared simultaneous Ryle Telescope (RT) radio and Rossi X-Ray Timing Explorer (RXTE) X-ray observations of the galactic microquasar GRS 1915+105. We find that radio emission, and therefore also the radio jet, requires the presence of long (~100s), hard dips in the X-ray light curve which seem to have a one-to-one relation with the radio events: each hard dip produces a new radio "flare". We discuss the characteristic features of the connection between the hard X-ray states and the radio emission.
2 pages, 1 figure, to be published in `Proceedings of the Third Microquasar Workshop: Granada Workshop on galactic relativistic jet sources', Eds A. J.Castro-Tirado, J. Greiner and J. M. Paredes, Astrophysics and Space Science, in press
2 pages, 1 figure, to be published in `Proceedings of the Third Microquasar Workshop: Granada Workshop on galactic relativistic jet sources', Eds A. J.Castro-Tirado, J. Greiner and J. M. Paredes, Astrophysics and Space Science, in press