Technical facts about this news release:
| About the Object |
| Object Name: |
1255-0 (1256-151, 1256-0) |
| Object Description: |
Distant Galaxy |
| Position (J2000): |
R.A. 12h 54m 59s.59
Dec. +01° 11' 29".7 |
| Constellation: |
Virgo |
| Distance: |
11 billion light-years or 3.4 billion parsecs |
| Redshift |
z = 2.2 |
|
| About the HST Data |
| Data Description: |
Science results are from Hubble data from proposal 10808: P. van Dokkum and S. Toft (Yale University), M. Kriek (Princeton University), M. Franx (University of Leiden, Netherlands), R. Quadri (Yale University), G. Illingworth (University of California, Santa Cruz), D. Marchesini (Yale University), and G. Rudnick (University of Kansas). |
| Instrument: |
NICMOS |
| Exposure Date(s): |
March 16, 2007 |
| Exposure Time: |
2.1 hours |
| Filters: |
F160W (H) |
|
| About the Gemini Data |
| Science Team: |
The Gemini observations science team comprises: M. Kriek (Princeton University), P. van Dokkum (Yale University), I. Labbé (Carnegie Observatories), M. Franx (University of Leiden, Netherlands), G. Illingworth (University of California, Santa Cruz), D. Marchesini (Yale University), and R. Quadri (University of Leiden, Netherlands). |
| Instrument: |
Gemini Near Infrared Spectrograph (GNIRS) |
| Exposure Date(s): |
May 2005, February 2006, and March 2007 |
| Exposure Time: |
29 hours |
| Wavelengths: |
3000-7500 angstroms |
|
| About this Release |
| Credit: |
NASA, ESA, and P. van Dokkum (Yale University) |
| Release Date: |
August 5, 2009 |
|