Gamma-ray astronomy

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Searching for clusters with SUMSS

Revista Mexicana de Astronomia y Astrofisica: Serie de Conferencias 17 (2003) 263

Authors:

HJ Buttery, G Cotter, RW Hunstead, EM Sadler

Abstract:

Searches for statistical overdensities of radio sources in the NRAO VLA Sky Survey (NVSS) survey have led to the detection of high redshift clusters of galaxies (Cotter et al. 2002; Croft et al. 2001). We have carried out a similar search for overdensities using the Sydney University Molonglo Sky Survey (SUMSS). Radio observations at 20/13 cm have been made of these candidates at the Australia Telescope Compact Array (ATCA) revealing sources of diffuse cluster emission as well as groups of FR1 sources showing structures associated with clusters, indicating a cluster "hit-rate" of about 70%.
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A transient large-scale relativistic radio jet from GX 339-4

(2003)

Authors:

Elena Gallo, Stephane Corbel, Rob Fender, Tom Maccarone, Tasso Tzioumis
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Chandra Detections of Two Quiescent Black Hole X-Ray Transients

The Astrophysical Journal American Astronomical Society 597:2 (2003) l133-l136

Authors:

John A Tomsick, Stéphane Corbel, Rob Fender, Jon M Miller, Jerome A Orosz, Michael P Rupen, Tasso Tzioumis, Rudy Wijnands, Philip Kaaret
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"Soft X-ray transient" outbursts which aren't soft

(2003)

Authors:

C Brocksopp, RM Bandyopadhyay, RP Fender
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Evidence of a decrease of kHz quasi-periodic oscillation peak separation towards low frequencies in 4U 1728–34 (GX 354–0)

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) 345:3 (2003) l35-l39

Authors:

S Migliari, M van der Klis, RP Fender
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