Journal
ASTRONOMY & ASTROPHYSICS
Volume 410, Issue 1, Pages 45-52Publisher
EDP SCIENCES S A
DOI: 10.1051/0004-6361:20031196
Keywords
galaxies : clusters : general
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We perform a weak lensing analysis on a previously reported dark-lens candidate on STIS Parallel data (Miralles et al. 2002). New VLT-data indicate that the reported signal originates from a small number of galaxies tangentially aligned towards the center of the STIS field but no signature for an extended mass distribution is found. We argue that we should be able to detect a massive cluster (M greater than or equal to 3.2 x 10(14) M.) through its lensing signal up to a redshift of z approximate to 0.6 with our data. Also the double image hypothesis of two galaxies with very similar morphologies in the STIS data is ruled out with colour information.
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