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News Release Archive:

News Release 89 of 953

December 12, 2012 02:00 PM (EST)

News Release Number: STScI-2012-48

Hubble Provides First Census of Galaxies Near Cosmic Dawn

Technical facts about this news release:

About the Object
Object Name: Hubble Ultra Deep Field 2012 (HUDF 2012)
Object Description: Infrared Survey
Position (J2000): R.A. 3h 32m 38s.5
Dec. -27° 47' 00"
Constellation: Fornax
Dimensions: The image is 2.25 arcminutes wide.
About the Data
Data Description:

The image was created from Hubble data from the following proposals: 11563: G. Illingworth (University of California, Santa Cruz); 12060 - 12062: S. Faber (University of California, Santa Cruz) and H. Ferguson (STScI); 12099: A. Riess (STScI/JHU); and 12498: R. Ellis (Caltech).

The UDF 2012 team members include: R. Ellis (Caltech), R. McLure and J. Dunlop (University of Edinburgh, Institute for Astronomy, Edinburgh), B. Robertson (University of Arizona), Y. Ono (University of Tokyo), M. Schenker (Caltech), A. Koekemoer (STScI), R. Bowler (University of Edinburgh, Institute for Astronomy, Edinburgh), M. Ouchi (University of Tokyo), A. Rogers and E. Curtis-Lake (University of Edinburgh, Institute for Astronomy, Edinburgh), E. Schneider (University of Arizona), S. Charlot (Paris Institute of Astrophysics), D. Stark (University of Arizona), S. Furlanetto (UCLA), and M. Cirasuolo (University of Edinburgh, Institute for Astronomy, Edinburgh).

Instrument: WFC3/IR
Exposure Date(s): August 2009 to September 2012
Filters: F105W (Y), F125W (J), F140W (JH), and F160W(H)
About the Release
Credit: NASA, ESA, R. Ellis (Caltech) and the UDF 2012 Team
Release Date: December 12, 2012
Color: This image is a composite of separate exposures acquired by the WFC3/IR instruments. Several filters were used to sample various wavelengths. The color results from assigning different hues (colors) to each monochromatic (grayscale) image as follows:
F105W (Y) blue
F125W (J) green
F140W (JH) and F160W(H) red
Orientation/Scale: