Discovery of SNF20050701-003, a Type II Supernova
ATel #556; The Nearby Supernova Factory: C. Bonnaud, E. Pecontal (Centre de Recherche Astronomique de Lyon), N. Blanc, S. Bongard, Y. Copin, E. Gangler, L. Sauge, G. Smadja (Institut de Physique Nucleaire de Lyon), P. Antilogus, G. Garavini, S. Gilles, R. Pain (Laboratoire de Physique Nucleaire et de Haute Energies de Paris), G. Aldering, S. Bailey, B. C. Lee, S. Loken, P. Nugent, S. Perlmutter, R. Scalzo, R. C. Thomas, L. Wang, B. A. Weaver (Lawrence Berkeley National Laboratory, Berkeley, CA), R. Kessler (Kavli Institute for Cosmological Physics, Chicago, IL), C. Baltay, D. Rabinowitz, A. Bauer (Yale)
on 7 Jul 2005; 03:14 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: R. C. Thomas (rcthomas@lbl.gov)
The Nearby Supernova Factory reports the discovery of supernova
SNF20050701-003 (coordinates RA 21:40:08.2 DEC +10:39:14.0 J2000.0) in
images obtained July 01.5 UT with an approximate magnitude of 19.4
(calibrated to R) using the QUEST II camera on the Palomar Oschin
48-inch telescope as a part of the JPL Near-Earth Asteroid Tracking
component of the Palomar Consortium. A spectrum (range 320-1000 nm) of
this object, obtained July 05.6 UT with the Supernova Integral Field
Spectrograph on the University of Hawaii 2.2-meter telescope, shows it
to be a Type II supernova at an age of a few weeks past explosion. The
spectrum consists of a continuum marked by hydrogen Balmer P-Cygni
profiles, as well as P-Cygni He I 587.6 nm. Narrow H-alpha emission
from the host suggests a redshift of z = 0.032.
The Nearby Supernova Factory
