News Release Archive:

News Release 142 of 884

January 5, 2010 10:30 AM (EST)

News Release Number: STScI-2010-02

Hubble Reaches the "Undiscovered Country" of Primeval Galaxies

Technical facts about this news release:

About the Object

Object Name:	Hubble Ultra Deep Field Infrared WFC3/IR (HUDF WFC3/IR)
Object Description:	Cosmological Survey
Position (J2000):	R.A. 03h 32m 38s.5 Dec. -27° 47' 00''.0
Constellation:	Fornax
Dimensions:	This image is roughly 2.4 arcminutes wide.

About the Data

Data Description:	The image was created from Hubble data from proposal 11563: G. Illingworth (UCO/Lick Observatory and the University of California, Santa Cruz), R. Bouwens (UCO/Lick Observatory and Leiden University), M. Carollo (Swiss Federal Institute of Technology, Zurich), M. Franx (Leiden University), I. Labbe (Carnegie Institution of Washington), D. Magee (University of California, Santa Cruz), P. Oesch (Swiss Federal Institute of Technology, Zurich), M. Stiavelli (STScI), M. Trenti (University of Colorado, Boulder), and P. van Dokkum (Yale University).
Instrument:	WFC3/IR
Exposure Date(s):	August 26, 2009 - September 6, 2009
Exposure Time:	48 hours
Filters:	F105W (Y), F125W (J), and F160W (H)

About the Release

Credit:

NASA, ESA, G. Illingworth (UCO/Lick Observatory and the University of California, Santa Cruz), R. Bouwens (UCO/Lick Observatory and Leiden University), and the HUDF09 Team

Release Date:

December 8, 2009

Color:

The image is a composite of separate exposures made by the WFC3 instrument on the Hubble Space Telescope. Three filters were used to sample broad wavelength ranges in the near infrared. The color results from assigning different hues (colors) to each monochromatic image. In this case, the assigned colors are:

F105W (Y)	blue
F125W (J)	green
F160W (H)	red

Orientation/Scale: