Weak lensing analysis of CL 1358+62

August 1998 • 1998NewAR..42..137H

Authors • Hoekstra, Henk • Franx, Marijn • Kuijken, Konrad • Squires, Gordon

Abstract • We report on the detection of weak gravitational lensing of faint, distant background objects by Cl 1358+62, a rich cluster of galaxies at a redshift of z = 0.33. The observations consist of a multicolor mosaic of 12 WFPC2 pointings of the Hubble Space Telescope (HST). We find a projected mass of (4.4±0.6) × 10 ¹⁴ M _⊙ within a 1 Mpc aperture, assuming a singular isothermal sphere (σ = 780 ± 50 km/s). We estimate the mass-to-light ratio to be (90 ± 13) h₅₀M _⊙/L _V⊙ , consistent with being constant with radius. A two-dimensional reconstruction of the cluster mass surface density shows that the peak of the mass distribution coincides with the peak of the light distribution.

Links

• SIMBAD http://simbad.u-strasbg.fr/simbo.pl?bibcode=1998NewAR..42..137H
• PREPRINT http://arxiv.org/abs/astro-ph/9711096
• DATA https://archive.stsci.edu/mastbibref.php?bibcode=1998NewAR..42..137H
• DATA https://hst.esac.esa.int/ehst/#/pages/search;bibcode=1998NewAR..42..137H
• SPIRES http://inspirehep.net/search?p=find+j+ASTRE,42,137
• ELECTR https://doi.org/10.1016%2FS1387-6473%2898%2900035-9
• SPIRES http://inspirehep.net/search?p=find+eprint+astro-ph/9711096