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2 Supernova Discoveries

ATEL # 1163; The Nearby Supernova Factory: C. Buton, Y. Copin, E. Gangler, G. Smadja (Institut de Physique Nucleaire de Lyon); 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); and D. Birchall (Institute for Astronomy, University of Hawaii, Hilo, HI); and J. Holtzman (New Mexico State University, Las Cruces, NM)
on 30 Jul 2007; 23:28 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 2 supernovae in images obtained Jul 26 through Jul 28 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  Phase            
SNF20070726-005 23:17:48.71 22:59:07.1 Jul 26.4 19.9 Jul 29.4 Ia 0.14 Around max
SNF20070728-003 02:52:22.68 16:31:40.3 Jul 28.5 19.1 Jul 30.5 Ibc 0.04 1 week after max


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R. E. Rutledge , Editor
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