SIMBAD references

2000ApJ...538...92R - Astrophys. J., 538, 92-97 (2000/July-3)

A prediction of observable rotation in the intracluster medium of Abell 3266.

ROETTIGER K. and FLORES R.

Abstract (from CDS):

We present a numerical, hydrodynamical/N-body model of A3266, whose X-ray surface brightness, temperature distribution, and galaxy spatial- and velocity-distribution data are consistent with the A3266 data. The model is an old (∼3 Gyr) off-axis merger having a mass ratio of ∼2.5:1. The less massive subcluster in the model is moving on a trajectory from southwest to northeast passing on the western side of the dominant cluster while moving into the plane of the sky at ∼45°. Off-axis mergers such as this one are an effective mechanism for transferring angular momentum to the intracluster medium (ICM), making possible a large-scale rotation of the ICM. We demonstrate here that the ICM rotation predicted by our fully three-dimensional model of A3266 is observable with Astro-E.

Abstract Copyright:

Journal keyword(s): galaxies: clusters: individual (Abell 3266) - Hydrodynamics - Galaxies: Intergalactic Medium - Methods: Numerical - Techniques: Spectroscopic - X-Rays: Galaxies

Simbad objects: 6

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