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4 Supernova Discoveries

ATEL # 1200; The Nearby Supernova Factory: P. Antilogus, R. Pain, R. Pereira, C. Wu (Laboratoire de Physique Nucleaire et de Haute Energies de Paris), 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), C. Baltay, A. Bauer, D. Rabinowitz, R. Scalzo (Yale University, New Haven, CT), G. Rigaudier, E. Pecontal (Centre de Recherche Astronomique de Lyon), C. Buton, Y. Copin, E. Gangler, G. Smadja, C. Tao (Institut de Physique Nucleaire de Lyon); and D. Birchall (Institute for Astronomy, University of Hawaii, Hilo, HI); and J. Cough, J. Holtzman (New Mexico State University, Las Cruces, NM)
on 1 Sep 2007; 1:58 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 4 supernovae in images obtained Aug 24 through Aug 26 UTC 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-B1.0 catalog. The following table summarizes the discovered supernovae (dates are UTC).

   Target Name          RA          Decl      Disc Date  Disc Mag  Spec Date  Type  Redshift  Comments         
SNF20070824-001 04:08:32.65 02:22:43.7 Aug 24.5 18.0 Aug 31.5 Ia 0.03 2 weeks past max
SNF20070824-002 02:37:28.26 -23:32:04.7 Aug 24.5 18.6 Aug 31.5 Ia 0.05 2 weeks past max
SNF20070826-004 17:11:15.47 21:15:38.0 Aug 26.2 19.8 Aug 31.3 II 0.07
SNF20070826-006 16:46:59.10 38:56:02.5 Aug 26.2 19.9 Aug 31.3 Ia 0.11 around max


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R. E. Rutledge , Editor
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