Unlensing Multiple Arcs in 0024+1654: Reconstruction of the Source Image

Details Unlensing Multiple Arcs in 0024+1654: Reconstruction of the Source Image Unlensing Multiple Arcs in 0024+1654: Reconstruction of the Source Image

1995-12-19

arxiv.org/abs/astro-ph/9512128v1

Astronomy and Astrophysics

Astrophysics

16 pages (aaspp.sty), full text & figures available at http://www.astro.princeton.edu/~library/prep.html

Scientific paper

10.1086/310015

A unique reconstruction of the image of a high redshift source galaxy responsible for multiple long arcs in the z = 0.4 cluster 0024+1654 is obtained by inverse lensing. Deep B and I imaging with the Hubble Space Telescope (Based on observations with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute, which is operated by AURA, under NASA contract NAS 5-26555) enables high resolution of the arcs due to strong gravitational lensing of the background source. The gravitational lens in the foreground cluster is thus used to obtain a magnified view of the distant source. Four strongly lensed images of the source lead to a unique reconstruction. Each of the long arcs, when unlensed, leads to the same reconstructed source image exhibiting a beaded ring-like morphology. The U luminosity of the ring alone is equivalent to a normal galaxy. This is likely a galaxy in formation.

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