News Release Archive:

News Release 11 of 42

October 13, 2011 09:00 AM (EDT)

News Release Number: STScI-2011-25

Ambitious Hubble Survey Obtaining New Dark Matter Census

Technical facts about this news release:

About the Object
Object Name: MACS J1206.2-0847
Object Description: Galaxy Cluster
Position (J2000): R.A. 12h 06m 11s.98
Dec. -08° 48' 0".04
Constellation: Virgo
Distance: 4.5 billion light-years (1.2 billion parsecs)
About the Data
Data Description: This image was created from HST data from proposal 12069: M. Postman (STScI) et al.
Instrument: ACS and WFC3/IR
Exposure Date(s): April - July 2011
Exposure Time: 19 hours
About the Image
Image Credit: NASA, ESA, and M. Postman (STScI), and the CLASH Team
Release Date: October 13, 2011

This image is a composite of many separate exposures made by the ACS and WFC3 instruments on the Hubble Space Telescope using ten different filters. The color results from assigning different hues (colors) to each monochromatic image. In this case, the assigned colors are:

ACS/WFC F606W (V) + F625W (r) blue
ACS/WFC F775W (i) + F814W (I) + F850LP (z) green
WFC3/IR F105W (Y) + F110W (YJ) + F125W (J) + F140W (JH) + F160W (H) red