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2001MNRAS.322..187E - Mon. Not. R. Astron. Soc., 322, 187-194 (2001/March-3)
BeppoSAX observations of three distant, highly luminous clusters of galaxies: RX J1347-1145, Zwicky 3146 and Abell 2390.
ETTORI S., ALLEN S.W. and FABIAN A.C.
Abstract (from CDS):
We confirm that RXJ1347-1145 has a gas temperature that lies in the range between 13.2 and 22.3keV at the 90per cent confidence level, and is larger than 12.1keV at 3σ level. The existence of such a hot galaxy cluster at redshift of about 0.45 implies an upper limit on the mean mass density in the Universe, Ωm, of 0.5.
Combining the BeppoSAX estimates for gas temperature and luminosity of the three clusters presented in this work with ASCA measurements available in the literature, we obtain a slope of 2.7 in the L-T relation once the physical properties are corrected from the contamination from the central cooling flows.
Abstract Copyright: 2001, Royal Astronomical Society
Journal keyword(s): galaxies: clusters: general - galaxies: clusters: individual: Abell 2390 - galaxies: clusters: individual: RX J1347-1145 - galaxies: clusters: individual: Zwicky 3146 - X-rays: galaxies - X-rays: galaxies: clusters
Simbad objects: 11
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