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NASA Spitzer Space Telescope • Jet Propulsion Laboratory
• California Institute of Technology
• Vision for Space Exploration
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Introduction Press Release Visuals Quick Facts

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About the Object Object Name: HUDF-JD2, UDF033238.74-274839.9
Object Type: High-Redshift Galaxy in the Hubble Ultra Deep Field
Position (J2000): RA: 3h 32m 28s.74 Dec: -27¡ 48' 39".9
Distance: redshift of z = 6.5.
Constellation: Fornax
About the Data Image Credit: NASA, ESA/JPL-Caltech/B. Mobasher (STScI/ESA)
Instrument: Hubble (ACS & NICMOS), Spitzer (IRAC)
Wavelength:
ACS Filters: F435W (B), F606W (V), F775W (i), F850LP (z)
NICMOS Filters: F110W (J110) and F160W (H160)
IRAC: 3.6, 4.5, 5.8, and 8.0 microns
Exposure Date:
ACS: September 24, 2003 - January 16, 2004
NICMOS: September 3, 2003 - November 27, 2003
Spitzer: February 2004
Exposure Time:
ACS: 11.3 days NICMOS: 4.5 days Spitzer: 5 days
Release Date: 27 September 2005
Observers B. Mobasher (STScI/ESA); M. Dickinson (NOAO)
H.C. Ferguson(STScI)
M. Giavalisco (STScI)
T. Wiklind (STScI/ESA)
D. Stark (Caltech)
R.S. Ellis (Caltech)
M. Fall (STScI)
N.A. Grogin (JHU)
L. Moustakas (STScI)
N. Panagia (STScI/ESA)
M. Sosey, M. Stiavelli (STScI)
E. Bergeron (STScI)
S. Casertano (STScI)
P. Ingram (Gemini Obs.)
A. Koekemoer (STScI)
I. Labbe (Carnegie Obs.)
M. Livio (STScI)
B. Rogers (Gemini Obs.)
C. Scarlata (Inst. For Astronomy, Zurich, Switzerland)
J. Venet (ESO)
A. Renzini (ESO)
P. Rosati (ESO)
H. Kuntschner (STECF/ESO)
M. Kummel (STECF/ESO)
J.R. Walsh (STECF/ESO)
H. Yan (SSC, Caltech)
M. Dickinson (NOAO)
D Stern (JPL)
P.R.M. Eisenhardt (JPL)
R.-R. Chary (SSC, Caltech)
C.J. Conselice (Caltech)
C. Papovich (Steward)
W.T. Reach (SSC, Caltech)
N. Grogin (STScI)
L.A. Moustakas (JPL)
M. Ouchi (STScI)

Introduction Press Release Visuals Quick Facts



The Spitzer Space Telescope is a NASA mission managed by the Jet Propulsion Laboratory. This website is maintained by the Spitzer Science Center, located on the campus of the California Institute of Technology and part of NASA's Infrared Processing and Analysis Center.

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