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January 10, 2008 10:00 AM (EST)

News Release Number: STScI-2008-04

Hubble Finds Double Einstein Ring

Technical facts about this news release:

About the Object
Object Name: SDSSJ0946+1006
Object Description: Double Einstein ring around a gravitational lens
Position (J2000): R.A. 09h 46m 56.s68
Dec. +10° 06' 52."6
Constellation: Leo
About the Data
Data Description:

The image created from HST data from proposal 10886: A. Bolton (Institute for Astronomy, University of Hawaii/Harvard-Smithsonian Center for Astrophysics), T. Treu (University of California, Santa Barbara), S. Burles (Massachusetts Institute of Technology), L. Koopmans (Kapteyn Astronomical Institute, The Netherlands), and L. Moustakas (Jet Propulsion Laboratory/Caltech).

The science team comprises R. Gavazzi and T. Treu (University of California, Santa Barbara), L. Koopmans (Kapteyn Astronomical Institute, The Netherlands), A. Bolton (Institute for Astronomy, University of Hawaii/Harvard-Smithsonian Center for Astrophysics), L. Moustakas (Jet Propulsion Laboratory/Caltech), S. Burles (Massachusetts Institute of Technology), and P. Marshall (University of California, Santa Barbara).
Instrument: ACS/WFC
Exposure Date(s): November 3, 2006
Exposure Time: 1.7 hours
Filters: F814W (I)
About the Image
Image Credit: NASA, ESA, and R. Gavazzi and T. Treu (University of California, Santa Barbara)
Release Date: January 10, 2008
Color: The image is a composite of separate exposures made by the ACS instrument on the Hubble Space Telescope. A single filters was used to sample broad infrared wavelength ranges.
Orientation/Scale: Gravitational Lens System SDSSJ0946+1006 (Double Einstein Ring)
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