Blast from the Past: Farthest Supernova Ever Seen Sheds Light on Dark Universe

Technical facts about this news release: About this Object Object Name: SN1997ff Object Description: Supernova Type Ia in Hubble Deep Field North Galaxy 4-403.0 Position (J2000): R.A. 12h 36m 44.18s Dec. +62° 12' 44.8" Constellation: Ursa Major Distance: 3 billion parsecs (10 billion light-years) Redshift: z~1.7 About the Data Instrument: NICMOS; WFPC2 Exposure Dates: December 23, 1997 - June 22, 1998