MACSJ1147.3-1252: An extremely X-ray luminous cluster at z=0.58?

Details MACSJ1147.3-1252: An extremely X-ray luminous cluster at z=0.58? MACSJ1147.3-1252: An extremely X-ray luminous cluster at z=0.58?

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cxo..prop.2652e&link_type=abstract

Chandra proposal ID #10800395

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We propose an exploratory 10 ks ACIS-I observation of MACSJ1147.3-1252, a potentially extremely X-ray luminous galaxy cluster at z=0.58. Discovered first in the LCDCS, the system was recently detected also in the Massive Cluster Survey (MACS). The cluster's RASS flux suggests a total X-ray luminosity comparable to that of Cl0016+16, one of the most X-ray luminous clusters known at z>0.5. Chandra's superb angular resolution will allow us to quantify the degree of contamination from a nearby QSO (1.3 arcmin away from the cluster core) and to accurately determine the cluster luminosity. Deeper observations will be proposed in Cycle 11, should the system's properties confirm its importance for cosmological and cluster evolution studies.

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