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Strong Gravitational Lensing with SKA | | L.V.E. Koopmans
; I.W.A. Browne
; N.J. Jackson
; | | Date: |
4 Sep 2004 | | Journal: | New Astron.Rev. 48 (2004) 1085-1094 | | Subject: | astro-ph | | Affiliation: | Kapteyn Astronomical Institute), I.W.A. Browne (JBO), N.J. Jackson (JBO | | Abstract: | The advent of new observational facilities in the last two decades has allowed the rapid discovery and high-resolution optical imaging of many strong lens systems from galaxy to cluster scales, as well as their spectroscopic follow-up. Radio telescopes have played the dominant role in the systematic detection of dozens of new arcsec-scale lens systems. For the future, we expect nothing less! The next major ground- and space-based facilities, especially the Square Kilometer Array can discover tens of thousands of new lens systems in large sky surveys. For optical imaging and spectroscopic follow-up a strong synergy with planned optical facilities is needed. Here, we discuss the field where strong gravitational lensing is expected to play the dominant role and where SKA can have a major impact: The study of the internal mass structure and evolution of galaxies and clusters to z~1. In addition, studies of more exotic phenomena are contemplated. For example, milli- and microlensing can provide a way to measure the mass-functions of stars and CDM substructure at cosmological distances. All-sky radio monitoring will also rapidly develop the field of time-domain lensing. | | Source: | arXiv, astro-ph/0409095 | | Services: | Forum | Review | PDF | Favorites | |
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