About the Image
- NASA, ESA/JPL-Caltech/B. Mobasher (STScI/ESA)
About the Object
- HUDF-JD2 • UDF033238.74-274839.9
- Galaxy > Size > Giant
- 12,800,000,000 Light Years
|Optical||440 nm||Hubble ACS|
|Infrared||2.2 µm||Hubble NICMOS|
|Infrared||8.0 µm||Spitzer IRAC|
- Colors are approximate
- Position (undefined)
- RA = 3h 32m 28.7s
- Dec = -26° 11' 20.1"
- Field of View
- 0.0 x 0.0 arcminutes
- North is up
Big Galaxy in Baby Universe
NASA's Spitzer and Hubble Space Telescopes combined forces to uncover one of the most distant galaxies ever seen. The faraway galaxy, named HUDF-JD2 is not seen in Hubble's visible-light image, but was detected using Hubble's near infrared camera and multi-object spectrometer. It appears even brighter at the longer infrared wavelengths, as revealed by the Spitzer infrared camera.
At visible wavelengths, the light from the galaxy is absorbed by intervening hydrogen gas, and so the galaxy appears faint in the Hubble visible and near-infrared images. The surprise is how bright is appears to Spitzer in the infrared, suggesting a very massive and distant galaxy.
This image is a false-color composite of Hubble/ACS B-band data (blue), Hubble/NICMOS K-band data (red) and Spitzer 8 micron data (red).
News Release NASA Finds 'Big Baby' Galaxies in Newborn Universe ssc2005-19
Image Big Galaxy in Baby Universe ssc2005-19a
Audio What's a Big Galaxy Doing in the Baby Universe? SpitzerAudio-005
Image Big Galaxy in Baby Universe ssc2005-19a1
Image Hubble Visible Light View of "Baby" Galaxy in the Distant Universe ssc2005-19a2
Image Spitzer Infrared View of a "Baby" Galaxy in the Distant Universe ssc2005-19a4
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