Mass Profiles of Clusters at Large Radii from Weak Gravitational Lensing

Details Mass Profiles of Clusters at Large Radii from Weak Gravitational Lensing Mass Profiles of Clusters at Large Radii from Weak Gravitational Lensing

2001-09-17

arxiv.org/abs/astro-ph/0109260v1

Astronomy and Astrophysics

Astrophysics

5 pages, 3 figures, to be published in ``Where's the Matter? Tracing Dark and Bright Matter with the New Generation of Large S

Scientific paper

We present the weak lensing mass reconstructions of three clusters of galaxies from data taken on the ESO Wide Field Imager. We detect a lensing signal in all three clusters over a range of 1' < r < 17' (~0.1 h^-1 Mpc < r < 2 h^-1 Mpc). We measure the best fitting SIS and NFW profiles for each cluster and show that in two of the three clusters the NFW profile is preferred to the SIS with marginal significance (~95%).

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