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9 papers
High Resolution X-ray Spectroscopic Constraints on Cooling-Flow Models
John R. Peterson, Steven M. Kahn, Frits B. S. Paerels +5
We present XMM-Newton Reflection Grating Spectrometer observations of X-ray clusters and groups of galaxies. We demonstrate the failure of the standard cooling-flow model to descri…
High Resolution Spectroscopy of 14 Cooling-Flow Clusters of Galaxies Using the Reflection Grating Spectrometers on XMM-Newton
J. R. Peterson, C. Ferrigno, J. S. Kaastra +5
We present high resolution X-ray spectra of 14 cooling-flow X-ray clusters and groups obtained with the Reflection Grating Spectrometers (RGS) on XMM-Newton. The spectra exhibit li…
Construction of New 7m Imaging Air Čerenkov Telescope of CANGAROO
T. Tanimori, S. A. Dazeley, P. G. Edwards +28
CANGAROO group has constructed the new large imaging Air \v Cerenkov telescope to exploit hundred GeV region gamma-ray astronomy in March 1999 at Woomera, South Australia. It has a…
Search for TeV Gamma Rays from the SNR RXJ1713.7-3946
H. Muraishi, T. Tanimori, S. Yanagita +28
The shell type SNR RXJ1713.7-3946 is a new SNR discovered by the ROSAT all sky survey. Recently, strong non-thermal X-ray emission from the northwest part of the remnant was detect…
Data Acquisition System of the CANGAROO-II Telescope
M. Mori, S. A. Dazeley, P. G. Edwards +28
The data acquisition system for the new CANGAROO-II 7m telescope is described.
An Optical Reflector for the CANGAROO-II Telescope
Akiko Kawachi, J. Kushida, S. A. Dazeley +28
We have been successful in developing light and durable mirrors made of CFRP (Carbon Fiber Reinforced Plastic) laminates for the reflector of the new CANGAROO-II 7 m telescope. The…