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).
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:
