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Discovery of SNF20061024-009, a Type II Supernova

ATEL # 926; The Nearby Supernova Factory: E. Pecontal, G. Rigaudier (Centre de Recherche Astronomique de Lyon), P. Antilogus, S. Gilles, R. Pain, R. Pereira (Laboratoire de Physique Nucleaire et de Haute Energies de Paris), C. Buton, Y. Copin, E. Gangler, G. Smadja (Institut de Physique Nucleaire de Lyon), G. Aldering, C. Aragon, S. Bailey, S. Bongard, M. J. Childress, S. Koshy, S. Loken, P. Nugent, S. Perlmutter, K. Runge, R. Scalzo, R. C. Thomas, B. A. Weaver (Lawrence Berkeley National Laboratory, Berkeley, CA), R. Kessler (Kavli Institute for Cosmological Physics, Chicago, IL), C. Baltay, A. Bauer, D. Herrera, D. Rabinowitz (Yale)
on 30 Oct 2006; 20:48 UT
Distributed as an Instant Email Notice (Supernova)
Password Certification: R. C. Thomas (

Subjects: Infra-Red, Optical, Ultra-Violet, Nova, Supernova

The Nearby Supernova Factory reports the discovery of supernova SNF20061024-009 (coordinates RA 23:26:51.60 DEC +09:19:57.6 J2000.0) in images obtained October 24.2 UTC at 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-QUEST Consortium. No supernova was visible at this location on October 9. A spectrum (range 320-1000 nm) of this object, obtained October 28.3 UTC, obtained with the Supernova Integral Field Spectrograph on the University of Hawaii 2.2-meter telescope reveals that it is a young Type II SN at a redshift of z = 0.032, judging from the location of the peak of its H-alpha P Cygni emission peak. P Cygni H-beta is also detected. A maximum ejection velocity of 8600 km/s is measured from the blue wing of the H-alpha absorption.

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R. E. Rutledge , Editor
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