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Rapid variability of the arcsec-scale X-ray jets of SS 433

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 358:3 (2005) 860-868

Authors:

S Migliari, RP Fender, KM Blundell, M Mendez, M Van Der Klis
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Six months of mass outflow and inclined rings in the ejecta of V1494 Aql

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 358:3 (2005) 1019-1024

Authors:

SPS Eyres, I Heywood, TJ O'Brien, RJ Ivison, TWB Muxlow, VG Elkin
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Energisation of interstellar media and cosmic ray production by jets from X-ray binaries

(2005)

Authors:

Rob Fender, Tom Maccarone, Zdenko van Kesteren
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Vigorous star formation in a bulge-dominated ERO at z = 1.34

(2005)

Authors:

Garret Cotter, Chris Simpson, Rosemary C Bolton
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An expanding radio nebula produced by a giant flare from the magnetar SGR 1806-20.

Nature 434:7037 (2005) 1104-1106

Authors:

BM Gaensler, C Kouveliotou, JD Gelfand, GB Taylor, D Eichler, RAMJ Wijers, J Granot, E Ramirez-Ruiz, YE Lyubarsky, RW Hunstead, D Campbell-Wilson, AJ van der Horst, MA McLaughlin, RP Fender, MA Garrett, KJ Newton-McGee, DM Palmer, N Gehrels, PM Woods

Abstract:

Soft gamma-ray repeaters (SGRs) are 'magnetars', a small class of slowly spinning neutron stars with extreme surface magnetic fields, B approximately 10(15) gauss (refs 1 , 2 -3). On 27 December 2004, a giant flare was detected from the magnetar SGR 1806-20 (ref. 2), only the third such event recorded. This burst of energy was detected by a variety of instruments and even caused an ionospheric disturbance in the Earth's upper atmosphere that was recorded around the globe. Here we report the detection of a fading radio afterglow produced by this outburst, with a luminosity 500 times larger than the only other detection of a similar source. From day 6 to day 19 after the flare from SGR 1806-20, a resolved, linearly polarized, radio nebula was seen, expanding at approximately a quarter of the speed of light. To create this nebula, at least 4 x 10(43) ergs of energy must have been emitted by the giant flare in the form of magnetic fields and relativistic particles.
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