News Release Archive:

News Release 44 of 72

September 27, 2005 01:00 PM (EDT)

News Release Number: STScI-2005-28

Spitzer and Hubble Team Up to Find "Big Baby" Galaxies in the Newborn Universe

Technical facts about this news release:

About the Object
Object Name: HUDF-JD2, UDF033238.74-274839.9
Object Description: High-Redshift Galaxy in the Hubble Ultra Deep Field
Position (J2000): R.A. 3h 32m 28s.74
Dec. -27° 48' 39".9
Constellation: Fornax
Distance: This galaxy has a redshift of z = 6.5.
About the Data
Data Description:

This HUDF image was created from HST data from proposal 9978: S. Beckwith, S. Malhotra, M. Giavalisco, N. Panagia, J. Rhoads, M. Stiavelli, R. Somerville, S. Casertano, B. Margon, C. Blades, J. Caldwell, and M. Clampin (STScI), M. Corbin (CSC), M. Dickinson, H. Ferguson, and A. Fruchter (STScI), R. Hook (STScI/ECF), S. Jogee, A. Koekemoer, R. Lucas, M. Sosey and L. Bergeron (STScI).

The NICMOS HUDF image was created from HST data from the following proposal: 9803: R. Thompson (U. Arizona), G. Illingworth and R. Bouwens (UCSC), M. Dickinson (STScI), D. Eisenstein and X. Fan (U. Arizona), M. Franx (U. Leiden), M. Rieke (U. of Arizona) , A. Riess (STScI) , P. van Dokkum (Yale U.).

The science team for HUDF-JD2 includes B. Mobasher (STScI/ESA); M. Dickinson (NOAO); H.C. Ferguson and M. Giavalisco (STScI); T. Wiklind (STScI/ESA); D. Stark and R.S. Ellis (Caltech); M. Fall (STScI); N. A. Grogin (JHU); L. Moustakas (STScI); N. Panagia (STScI/ESA); M. Sosey, M. Stiavelli, E. Bergeron, and 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, A. Renzini and P. Rosati (ESO); H. Kuntschner, M. Kummel, and J.R. Walsh (STECF/ESO).

The Spitzer science team includes: H. Yan (SSC, Caltech), M Dickinson (NOAO), D Stern (JPL), P.R.M. Eisenhardt (JPL), R.-R. Chary (SSC, Caltech), M. Giavalisco (STScI), H.C. Ferguson (STScI), S. Casertano (STScI), C.J. Conselice (Caltech), C. Papovich (Steward), W.T. Reach (SSC, Caltech), N. Grogin (STScI), L.A. Moustakas (JPL), M. Ouchi (STScI).

Instrument: ACS/WFC ACS/NICMOS Spitzer/IRAC
Exposure Date(s): September 24, 2003 - January 16, 2004 September 3, 2003 to November 27, 2003 February 2004
Exposure Time: 11.3 days 4.5 days 5 days
Filters: F435W (B), F606W (V), F775W (i), F850LP (z) F110W (J110) and F160W (H160) 3.6, 4.5, 5.8, and 8.0 microns
About the Image
Image Credit: NASA, ESA, B. Mobasher (STScI/ESA)
Release Date: September 27, 2005
Orientation: Galaxy HUDF-JD2 From the Hubble Ultra Deep Field