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Hubble Ultra Deep Field 2012

About the Object

R.A. Position
R.A. PositionRight ascension – analogous to longitude – is one component of an object's position.
03h 32m 38.5s
Dec. Position
Dec. PositionDeclination – analogous to latitude – is one component of an object's position.
-27° 47' 0.0"
Constellation
ConstellationOne of 88 recognized regions of the celestial sphere in which the object appears.
Fornax
Distance
DistanceThe physical distance from Earth to the astronomical object. Distances within our solar system are usually measured in Astronomical Units (AU). Distances between stars are usually measured in light-years. Interstellar distances can also be measured in parsecs.
The image is 2.25 arcminutes wide.

About the Data

Data Description
Data DescriptionProposal: A description of the observations, their scientific justification, and the links to the data available in the science archive.
Science Team: The astronomers who planned the observations and analyzed the data. "PI" refers to the Principal Investigator.
The image was created from Hubble data from the following proposals: 11563: G. Illingworth (University of California, Santa Cruz); 12060, 12061, 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
InstrumentThe science instrument used to produce the data.
HST>WFC3/IR
Exposure Dates
Exposure DatesThe date(s) that the telescope made its observations and the total exposure time.
August 2009 to September 2012
Filters
FiltersThe camera filters that were used in the science observations.
F105W (Y), F125W (J), F140W (JH), and F160W (H)

Object Name
Object NameA name or catalog number that astronomers use to identify an astronomical object.
Hubble Ultra Deep Field, HUDF
Object Description
Object DescriptionThe type of astronomical object.
Infrared Survey
Release Date
December 12, 2012
Science Release
Hubble Provides First Census of Galaxies Near Cosmic Dawn
Read the release
Credit
NASA, ESA, R. Ellis (Caltech), and the UDF 2012 Team

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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: Blue: F105W (Y) Green: F125W (J) Red: F140W (JH) + F160W (H)

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