Other
Scientific paper
Nov 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996sci...274.1335l&link_type=abstract
Science, Volume 274, Issue 5291, pp. 1335-1338
Other
136
Scientific paper
The central region of the Coma cluster of galaxies was observed in the energy band from 0.065 to 0.245 kiloelectron volts by the Deep Survey telescope aboard the Extreme Ultraviolet Explorer. A diffuse emission halo of angular diameter ~30 arc minutes was detected. The extreme-ultraviolet (EUV) emission level exceeds that expected from the x-ray temperature gas in Coma. This halo suggests the presence of two more phases in the emitting gas, one at a temperature of ~2 x 10^6 kelvin and the other at ~8 x 10^5 kelvin. The latter phase cools rapidly and, in steady state, would have produced cold matter with a mass of ~1014 solar masses within the EUV halo. Although a similar EUV enhancement was discovered in the Virgo cluster, this detection in Coma applies to a noncooling flow system.
Bowyer Stuart
Breen Jeffrey O.
Hwang Chorng-Yuan
Lieu Richard
Lockman Felix J.
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