SIMBAD references

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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