2008MNRAS.383..417A

Query : 2008MNRAS.383..417A

2008MNRAS.383..417A - Mon. Not. R. Astron. Soc., 383, 417-423 (2008/January-2)

The collision velocity of the bullet cluster in conventional and modified dynamics.

ANGUS G.W. and McGAUGH S.S.

Abstract (from CDS):

We consider the orbit of the bullet cluster 1E 0657-56 in both cold dark matter (CDM) and Modified Newtonian Dynamics (MOND) using accurate mass models appropriate to each case in order to ascertain the maximum plausible collision velocity. Impact velocities consistent with the shock velocity (∼ 4700km/s) occur naturally in MOND. CDM can generate collision velocities of at most ∼3800km/s, and is only consistent with the data, provided that the shock velocity has been substantially enhanced by hydrodynamical effects.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): gravitation - galaxies: clusters: individual: 1E 0657-56 - dark matter

CDS comments: In Chap 7 : MS 1054+0321 is a misprint for MS 1054-0321, Cl 0152+1357 is a misprint for Cl 0152-1357

Simbad objects: 7

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Number of rows : 7
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 ZwCl 0024+1652 ClG 00 26 35.6 +17 09 32     18.35     ~ 648 1
2 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
3 ClG J0152-1358 ClG 01 52 41.3 -13 58 13           ~ 262 3
4 ACO 520 ClG 04 54 10.1 +02 55 38           ~ 465 0
5 ClG 0657-56 ClG 06 58 26.9 -55 58 21           ~ 1077 1
6 ACO 576 ClG 07 21 24.1 +55 44 20           ~ 312 1
7 ClG 1054-03 ClG 10 57 00.2 -03 37 27     22     ~ 458 0

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