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 |
| Exposure Time:
|
~ 6 days |
| Filters: |
F814W (I), F110W (J), F160W (H) |
| Principal Astronomers:
|
A.G. Riess (STScI), R. Thompson (U Arizona), R. Gilliland (STScI),
P. Nugent (LBNL), B. Schmidt (MSSSO), J.Tonry (U Hawaii), M. Dickinson
(STScI), T. Budavari (JHU), M. Livio (STScI), H. Spinrad (UC Berkeley),
D. Stern (UC Berkeley), D. Sanders (U Hawaii), and S. Veilleux (U
Maryland) .
|
|
| About this Image |
| Image Credit: |
NASA and A. Riess (STScI) |
| Release Date: |
April 2, 2001 1:00p.m. EDT |
| Orientation: |
 |
|
