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8 Supernova Discoveries

ATEL # 1099; The Nearby Supernova Factory: P. Antilogus, J. Li, R. Pain, R. Pereira, C. Wu (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. Childress, S. Loken, P. Nugent, S. Perlmutter, K. Runge, R. C. Thomas, B. A. Weaver (Lawrence Berkeley National Laboratory, Berkeley, CA), E. Pecontal, G. Rigaudier (Centre de Recherche Astronomique de Lyon), R. Kessler (Kavli Institute for Cosmological Physics, Chicago, IL), C. Baltay, A. Bauer, N. Ellman, D. Herrera, D. Rabinowitz, R. Scalzo (Yale University, New Haven, CT)
on 8 Jun 2007; 4:22 UT
Distributed as an Instant Email Notice (Supernova)
Password Certification: R. C. Thomas (rcthomas@lbl.gov)

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

The Nearby Supernova Factory reports the discovery of 8 new supernovae in images obtained from April 27 through May 30 UTC with the QUEST-II camera on the Palomar Oschin 48-inch telescope, operated by the Palomar-QUEST Consortium. R-band discovery magnitudes and J2000 coordinates are derived from comparison with the USNO-A2.0 catalog. A subsequent spectrum of each target (range 320-1000 nm), obtained with the SuperNova Integral Field Spectrograph on the University of Hawaii 2.2-meter telescope, was used for classification.

   Name                 R.A.      Decl.      Disc. Date  Disc. Mag  Type Redshift
SNF20070528-004 17:12:42.39 06:12:07.2 May 28.3 19.0 II 0.08
SNF20070526-001 15:34:52.38 07:00:53.6 May 26.3 19.7 II 0.07
SNF20070517-014 22:42:48.98 24:02:47.2 May 17.6 18.2 Ib/c 0.04
SNF20070517-000 15:53:46.27 -27:02:15.5 May 17.3 18.2 Ic 0.04
SNF20070513-007 21:22:03.43 05:09:06.1 May 13.5 19.6 Ib 0.04
SNF20070506-002 14:36:38.68 14:40:14.2 May 6.3 19.0 II 0.05
SNF20070427-008 15:41:02.87 00:14:58.4 Apr. 27.3 19.4 II 0.05
SNF20070517-014 is a high-velocity SN Ib/c similar to SN 1998bw just before peak brightness (Patat et al. 2001, ApJ vol. 555, pg. 900).


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R. E. Rutledge , Editor
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