Compass Image for Abell 370
4 billion light-years
Image is about 4 arcmin across (about 4.6 million light-years)
Abell 370 is part of the BUFFALO and Frontier Fields Programs. These data are from the HST proposals 15117 (PI: C. Steinhardt, Niels Bohr Institute, University of Copenhagen), 11108 (PI: E. Hu, University of Hawaii), 11507 (PI: K. Noll, GSFC), 11591 (PI: J.-P. Kneib, Laboratoire d'Astrophysique de Marseille), 13459 (PI: T. Treu, UCLA), 13790 (PI: S. Rodney, JHU), 14038 (PI: J. Lotz, STScI), and 14216 (R. Kirshner, Harvard University).
ACS/WFC: F435W, F606W, F814W;
WFC3/IR: F105W, F125W, F140W, and F160W
Luminosity: F435W + F606W + F814W