| Issue |
A&A
Volume 410, Number 1, October IV 2003
|
|
|---|---|---|
| Page(s) | 45 - 52 | |
| Section | Cosmology (including clusters of galaxies) | |
| DOI | https://doi.org/10.1051/0004-6361:20031196 | |
| Published online | 17 November 2003 | |
A weak lensing analysis of a STIS dark-lens candidate*
1
Institut für Astrophysik und Extraterrestrische Forschung (IAEF), Universität Bonn, Auf dem Hügel 71, 53121 Bonn, Germany
2
ST-ECF, European Southern Observatory, Karl-Schwarzschild Str. 2, 85741 Garching, Germany
3
Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104, USA
Corresponding author: T. Erben, terben@astro.uni-bonn.de
Received:
25
April
2003
Accepted:
31
July
2003
We perform a weak lensing analysis on a previously
reported dark-lens candidate on STIS Parallel data
[CITE]. 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 (
)
through its lensing signal up to a
redshift of 
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.
Key words: galaxies: clusters: general
© ESO, 2003
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