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An expanding radio nebula produced by a giant flare from the magnetar SGR 1806-20
B. M. Gaensler, C. Kouveliotou, J. D. Gelfand +16
Soft gamma repeaters (SGRs) are "magnetars", a small class of slowly spinning neutron stars with extreme surface magnetic fields, ~10^15 gauss. On 2004 December 27, a giant flare w…
The 1998 outburst of XTE J1550-564: a model based on multiwavelength observations
K. Wu, R. Soria, D. Campbell-Wilson +6
The 1998 September outburst of the black-hole X-ray binary XTE J1550-564 was monitored at X-ray, optical and radio wavelengths. We divide the outburst sequence into five phases and…
X-ray states and radio emission in the black hole candidate XTE J1550-564
S. Corbel, P. Kaaret, R. K. Jain +8
We report on radio and X-ray observations of the black hole candidate (BHC) XTE J1550-564 performed during its 2000 X-ray outburst. Observations have been conducted with the Austra…
XTE J1550-564: A superluminal ejection during the September 1998 outburst
D. Hannikainen, D. Campbell-Wilson, R. Hunstead +5
In 1998 September, the X-ray transient XTE J1550-564 underwent a major outburst in soft and hard X-rays, followed by a radio flare. Australian Long Baseline Array images obtained s…
Radio Emission from GRO J1655-40 during the 1994 Jet Ejection Episodes
D. C. Hannikainen, R. W. Hunstead, D. Campbell-Wilson +3
We report multifrequency radio observations of GRO J1655-40 obtained with the Australia Telescope Compact Array, the Molonglo Observatory Synthesis Telescope and the Hartebeesthoek…
Physical Properties of the X-ray Luminous SN 1978K in NGC 1313 from Multiwavelength Observations
Eric M. Schlegel, Stuart Ryder, L. Staveley-Smith +4
We update the light curves from the X-ray, optical, and radio bandpasses which we have assembled over the past decade, and present two observations in the ultraviolet using the Hub…