Talk:Abell 520
Latest comment: 11 years ago by Jtdwyer in topic 'Dark Core' Disappears...
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'Dark Core' Disappears...
editThis puzzle seems to have been solved by new observations using a new Hubble camera and additional analysis that did not find any anomalous region containing dark matter but no luminous galaxies.
Jtdwyer (talk) 03:40, 21 January 2013 (UTC)
"'Dark core' may not be so dark after all," http://www.eurekalert.org/pub_releases/2012-11/ou-cm112912.php#.
The draft copy of the research report (published in ApJ) is freely available" Clowe, et al., (2012), "On Dark Peaks and Missing Mass: A Weak Lensing Mass Reconstruction of the Merging Cluster System Abell 520", http://arxiv.org/abs/1209.2143.