The HST Archive Galaxy-scale Gravitational Lens Search

Details The HST Archive Galaxy-scale Gravitational Lens Search The HST Archive Galaxy-scale Gravitational Lens Search

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21332204m&link_type=abstract

American Astronomical Society, AAS Meeting #213, #322.04; Bulletin of the American Astronomical Society, Vol. 41, p.377

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We present first results from the HST Archive Galaxy-scale Gravitational Lens Search (HAGGLeS) project. We have reprocessed 1 square degree of deep, multi-filter archival HST/ACS imaging data, and searched these images with our lens-finding robot. This involved the pre-selection of > 10000 massive galaxies from the photometric catalogues, and then modelling each of them as a gravitational lens. We present our sample of robot-selected, human-verified, modelling-confirmed gravitational lenses, and show imaging surveys like this are sensitive to lower mass and higher redshift galaxy-galaxy lens systems than were previously known. We discuss the wide range of environments of the HAGGLeS lenses, and the bearing of this survey on those planned with future facilities.

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