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A unique small-scale gravitational arc in Abell 1201
Alastair C. Edge, Graham P. Smith, David J. Sand +4
We present a snapshot Hubble Space Telescope (HST) image of the galaxy cluster A1201 (z=0.169), revealing a tangential arc 2arcsec from the brightest cluster galaxy (BCG). Keck-ESI…
Mapping small-scale temperature and abundance structures in the core of the Perseus cluster
J. S. Sanders, A. C. Fabian, S. W. Allen +1
We report further results from a 191 ks Chandra observation of the core of the Perseus cluster, Abell 426. The emission-weighted temperature and abundance structure is mapped detai…
A preference for a non-zero neutrino mass from cosmological data
S. W. Allen, R. W. Schmidt, S. L. Bridle
We present results from the analysis of cosmic microwave background (CMB), large scale structure (galaxy redshift survey) and X-ray galaxy cluster (baryon fraction and X-ray lumino…