2007ApJ...658..859C

Query : 2007ApJ...658..859C

2007ApJ...658..859C - Astrophys. J., 658, 859-864 (2007/April-1)

Heating of the intergalactic medium by the radiative decay of neutrinos.

CHAN M.H. and CHU M.-C.

Abstract (from CDS):

Assuming that there exists a species of heavy sterile neutrinos (mν>1 keV) and that their decays can serve as a heating source for the hot gas in galaxy clusters, we study how the observational constraints on cooling flow limit the masses of these sterile neutrinos. We predict a relation among the luminosity, the total mass, and the redshift of a cluster, and we compare this relation with data from 12 clusters to obtain an estimate of the decay rate of sterile neutrinos.

Abstract Copyright: ∼

Journal keyword(s): Cosmology: Dark Matter

Simbad objects: 12

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Number of rows : 12
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 ACO 119 ClG 00 56 08.57 -01 12 00.8           ~ 577 2
2 ACO 133 ClG 01 02 41.5 -21 52 53           ~ 391 1
3 ACO 399 ClG 02 57 56.4 +13 00 59           ~ 420 0
4 ACO 401 ClG 02 58 50.3 +13 34 07           ~ 592 0
5 ACO 539 ClG 05 16 35.1 +06 27 14           ~ 255 2
6 ACO 754 ClG 09 09 14.8 -09 40 35           ~ 695 1
7 ACO 1367 ClG 11 44 44.6 +19 41 59           ~ 1127 1
8 ACO 1775 ClG 13 41 50.60 +26 21 10.6           ~ 324 0
9 ACO 2065 ClG 15 22 22.7 +27 44 20           ~ 398 0
10 ACO 2256 ClG 17 03 37.5 +78 37 23           ~ 928 1
11 ACO 2255 ClG 17 12 56.0 +64 04 06           ~ 605 0
12 ACO 2634 ClG 23 38 18.4 +27 01 37           ~ 515 2

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