Morphology of gravitationally lensed galaxies

Details Morphology of gravitationally lensed galaxies Morphology of gravitationally lensed galaxies

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aipc..408..204t&link_type=abstract

The ultraviolet universe at low and high redshift. AIP Conference Proceedings, Volume 408, pp. 204-213 (1997).

Computer Science

3

Gravitational Lenses And Luminous Arcs, Ultraviolet, Image Processing

Scientific paper

The compound optical system formed by the Hubble Space Telescope and a 200 kpc diameter gravitational objective lens provides an unprecedented view of a distant star forming galaxy in the UV. We describe a high resolution reconstruction of the UV image of the high redshift galaxy behind the z=0.4 cluster 0024+1654. Using a simultaneous parametric solution for the source morphology and the gravitational lens mass distribution, we have found a robust unique solution for the source galaxy: all five arcs map back through the lens to give the same source-plane image. The reconstructed image of this forming galaxy, has 7 milliarcsec pixels, or 200 pc resolution in two rest-frame bands: 1800+/-200 Å, and 3300+/-400 Å.

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