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23 Supernova Discoveries

ATEL # 1123; 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 30 Jun 2007; 0:08 UT
Password Certification: R. C. Thomas (rcthomas@lbl.gov)

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

The Nearby Supernova Factory reports the discovery of 23 supernovae in images obtained between March 26 and April 30 of 2007 using the QUEST II camera on the Palomar Oschin 48-inch telescope, operated by the Palomar-QUEST Consortium. Spectra (range 320-1000 nm) obtained with the SuperNova Integral Field Spectrograph on the University of Hawaii 2.2-meter telescope were used to classify each. R-band discovery magnitudes and J2000.0 coordinates are derived from comparison with the USNO-A2.0 catalog. The following table summarizes the supernovae discovered (dates are UTC).

   Target Name          RA          Decl      Disc Date   Disc Mag  Spec Date  Type  Redshift  Disc Phase          
SNF20070326-023 14:38:07.48 -08:35:55.7 Mar 26.4 19.1 Apr 02.5 Ia 0.10 around max
SNF20070331-013 10:19:09.49 36:50:54.8 Mar 31.2 18.2 Apr 03.4 Ia 0.06 1 week past max
SNF20070402-001 09:11:30.08 08:27:28.2 Apr 02.2 19.0 Apr 10.2 Ia 0.05 few days past max
SNF20070403-009 09:55:36.78 07:18:15.0 Apr 03.2 18.8 Apr 10.3 Ia 0.07 around max
SNF20070404-002 14:07:39.89 19:28:04.8 Apr 04.4 19.7 Apr 10.6 Ia 0.15 few days before max
SNF20070404-003 11:48:51.16 10:03:46.8 Apr 04.3 19.0 Apr 08.5 Ia 0.08 few days past max
SNF20070404-006 11:05:05.66 08:38:58.5 Apr 04.3 19.7 Apr 10.4 Ia 0.10 around max
SNF20070404-010 13:52:49.98 20:29:49.5 Apr 04.4 18.2 Apr 08.6 Ia 0.06 few days past max
SNF20070404-012 11:17:10.30 -06:11:48.6 Apr 04.3 18.3 Apr 08.4 Ic 0.06
SNF20070408-013 12:29:43.73 -14:43:11.3 Apr 08.3 19.2 Apr 10.5 Ia 0.10 around max
SNF20070418-007 10:40:15.34 18:16:41.0 Apr 18.2 19.6 Apr 20.3 Ia 0.10 around max
SNF20070418-019 11:52:36.70 12:20:14.4 Apr 18.2 18.8 Apr 20.4 Ia 0.09 around max
SNF20070418-026 16:14:25.92 05:09:21.1 Apr 18.4 19.7 Apr 20.5 Ia 0.13 1 week before max
SNF20070419-006 12:31:25.43 -04:29:13.5 Apr 19.2 17.2 Apr 23.5 Ia 0.03 few days past max
SNF20070419-011 11:10:19.97 -01:20:20.0 Apr 19.2 19.4 Apr 23.4 Ia 0.11 few days before max
SNF20070422-003 13:56:54.23 10:50:39.2 Apr 22.4 17.3 Apr 23.5 Ia 0.04 1 week past max
SNF20070422-007 15:02:55.12 07:12:05.6 Apr 22.4 19.6 Apr 23.6 Ia 0.08 1 week before max
SNF20070424-006 15:22:45.80 17:13:20.2 Apr 24.5 18.9 Apr 25.5 Ia 0.07 2-3 weeks past max
SNF20070427-000 10:36:10.18 34:32:33.4 Apr 27.2 18.2 Apr 28.3 Ia 0.05 1 week past max
SNF20070427-003 15:18:36.79 09:51:17.2 Apr 27.3 18.5 Apr 28.5 II 0.03
SNF20070427-010 16:41:56.00 15:22:59.1 Apr 27.4 19.9 Apr 28.6 Ia 0.14 around max
SNF20070429-007 16:14:04.60 08:55:20.0 Apr 29.3 19.7 Apr 30.6 Ia 0.14 around max
SNF20070430-004 20:59:25.70 03:39:12.5 Apr 30.5 19.1 May 03.6 Ia 0.10 around max


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