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Cosmic Shear from STIS Pure Parallels: Analysis
H. Haemmerle, J. -M. Miralles, P. Schneider +5
The measurement of cosmic shear requires deep imaging with high image quality on many lines of sight to sample the statistics of large-scale structure. The expected distortion of g…
The cosmic shear STIS parallel program - First results
H. Haemmerle, J. -M. Miralles, P. Schneider +5
Since the Universe is inhomogeneous on scales well below the Hubble radius, light bundles from distant galaxies are deflected and distorted by the tidal gravitational field of the…
Cosmic shear from STIS pure parallels - II. Analysis
H. Haemmerle, J. -M. Miralles, P. Schneider +6
We report on the marginal detection of cosmic shear on sub-arcmin scales with archive data from the STIS camera on board HST. For the measurement 121 galaxy fields with a field of…
Detection of Cosmic Shear from STIS Parallel Archive Data: Data Analysis
J. -M. Miralles, H. Haemmerle, N. Pirzkal +6
In June 1997, parallel observations using the Space Telescope Imaging Spectrograph (STIS) on the HST started to be taken in substantial numbers along many different lines-of-sight.…
Cosmic shear surveys
Y. Mellier, L. van Waerbeke, R. Maoli +6
Gravitational weak shear produced by large-scale structures of the universe induces a correlated ellipticity distribution of distant galaxies. The amplitude and evolution with angu…