[ Previous | Next | ADS ]

Discovery of SNF20050621-001, a Type Ia Supernova

ATel #544; 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), C. Bonnaud, E. Pecontal (Centre de Recherche Astronomique de Lyon), R. Kessler (Kavli Institute for Cosmological Physics, Chicago, IL), C. Baltay, D. Rabinowitz, A. Bauer (Yale)
on 1 Jul 2005; 01:01 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Brian C. Lee (BCLee@LBL.gov)

Subjects: Optical, Supernovae

The Nearby Supernova Factory reports the discovery of supernova SNF20050621-001 (coordinates RA 20:45:16.8 DEC -03:49:35.7 J2000.0) in images obtained June 21.5 UT and 27.5 with approximate magnitudes of 19.6 and 19.7 respectively (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 June 28.6 UT with the Supernova Integral Field Spectrograph on the University of Hawaii 2.2-meter telescope, shows it to be a Type Ia SN at an approximate redshift of z = 0.11. The spectrum most closely resembles that of SN 1990N taken three days past B maximum (Lira et al., 1998 AJ, 115, 234), and includes P-Cygni profiles of Si II, S II and Ca II.