News Release Archive:

News Release 58 of 137

January 10, 2008 10:00 AM (EST)

News Release Number: STScI-2008-03

The Violent Lives of Galaxies: Caught in the Cosmic Dark Matter Web

Technical facts about this news release:

About the Object
Object Name: Abell 901/902
Object Description: Space Telescope A901/902 Galaxy Evolution Survey (STAGES)
Position (J2000): The STAGES area spans a quarter square degree centered on the Abell 901/2 supercluster at roughly R.A. = 10h and Dec. = -10
Constellation: Leo
Dimensions and Distance: The STAGES area covers 0.5x0.5 degrees which corresponds to an area of 5x5 Megaparsecs at a redshift of z = 0.16.
About the Data
Data Description:

The image was created from HST data from proposal 10395: M. Gray (University of Nottingham)

The science team is being led by C. Heymans (University of British Columbia). The full list of team members is available at the STAGES team webpage.

Instrument: ACS/WFC
Exposure Date(s): June and July, 2005
Exposure Time: 1.6 days
Filters: F606W (V)
About the Image
Image Credit: NASA, ESA, C. Heymans (University of British Columbia), M. Gray (university of Nottingham), and the STAGES Collaboration
Release Date: January 10, 2008
Orientation: Dark Matter Distribution in Supercluster Abell 901/902