Initial low/hard state, multiple jet ejections and X-ray/radio correlations during the outburst of XTE J1859+226

Preprint

6 December 2001

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.astro-ph/0112137

Abstract

We have studied the 1999 soft X-ray transient outburst of XTE J1859+226 at radio and X-ray wavelengths. The event was characterised by strong variability in the disc, corona and jet - in particular, a number of radio flares (ejections) took place and seemed well-correlated with hard X-ray events. Apparently unusual for the `canonical soft' X-ray transient, there was an initial period of low/hard state behaviour during the rise from quiescence but prior to the peak of the main outburst - we show that not only could this initial low/hard state be an ubiquitous feature of soft X-ray transient outbursts but that it could also be extremely important in our study of outburst mechanisms.

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All Related Versions

Version 1, 2001-12-06, ArXiv
Published version: Monthly Notices of the Royal Astronomical Society, 331 (3), 765.

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