This work presents mass reconstruction of galaxies cluster from strong lens analysis for Abell 2219 (z = 0.225), RXC J2248,7-4431 (z = 0.348), and SDSS J1004+4112 (z = 0.68) using parametric model sofware for strong gravitational lensing, glafic (Oguri 2010). We use assumptions of point source and source-plane approximation for minimization. We find that our parametric model well reproduces the positions of multiply imaged galaxies and quasars and time delays between quasar images. We find that the best-fit centroid of the dark halo (NFW) is quite consistent with the distribution of gas from observed X-ray. Radius enclosed mass profile and mass profile from hidrostatic assumption on distribution of gas from X-ray agree quite well with each other, including the radial slopes of the profiles with average discrepancies, Mlens/MX = 1.52 on the outer radius of images. Existence of dominant galaxy associate with compactness of cluster as lens. We find increasing of fraction of galaxies morphology from distribution of cluster members increase with redshift.
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30 September 2015
THE 5TH INTERNATIONAL CONFERENCE ON MATHEMATICS AND NATURAL SCIENCES
2–3 November 2014
Bandung, Indonesia
Research Article|
September 30 2015
Mass reconstruction of galaxies clusters: Abell 2219, RXC J2248.7-4431, and SDSS J1004+4112 using strong gravitational lensing
Anton T. Jaelani;
Anton T. Jaelani
a)
*Astronomy, Faculty of Mathematics and Natural Sciences,
Institut Teknologi Bandung
, Jl. Ganesha 10, Bandung 40132, Indonesia
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Premana W. Premadi
Premana W. Premadi
b)
*Astronomy, Faculty of Mathematics and Natural Sciences,
Institut Teknologi Bandung
, Jl. Ganesha 10, Bandung 40132, Indonesia
Search for other works by this author on:
AIP Conf. Proc. 1677, 050001 (2015)
Citation
Anton T. Jaelani, Premana W. Premadi; Mass reconstruction of galaxies clusters: Abell 2219, RXC J2248.7-4431, and SDSS J1004+4112 using strong gravitational lensing. AIP Conf. Proc. 30 September 2015; 1677 (1): 050001. https://doi.org/10.1063/1.4930662
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