A weak lensing analysis of the Abell 2163 cluster

Astronomy and Astrophysics – Astrophysics

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

8 pages, 9 figures, Accepted for publication on Astronomy & Astrophysics, final version

Scientific paper

10.1051/0004-6361:200809731

Weak lensing analysis is applied to a deep, one square degree r-band CFHT-Megacam image of the Abell 2163 field. The observed shear is fitted with Single Isothermal Sphere and Navarro-Frenk-White models to obtain the velocity dispersion and the mass, respectively; in addition, aperture densitometry is also used to provide a mass estimate at different distances from the cluster centre. The luminosity function is finally derived, allowing to estimate the mass/luminosity ratio. Previous weak lensing analyses performed at smaller scales produced somewhat contradictory results. The mass and velocity dispersion obtained in the present paper are compared and found to be in good agreement with the values computed by other authors from X-ray and spectroscopic data.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

A weak lensing analysis of the Abell 2163 cluster does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with A weak lensing analysis of the Abell 2163 cluster, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A weak lensing analysis of the Abell 2163 cluster will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-210195

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.