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2 Supernova Discoveries

ATEL # 1170; The Nearby Supernova Factory: 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); 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); and D. Birchall (Institute for Astronomy, University of Hawaii, Hilo, HI); and J. Holtzman (New Mexico State University, Las Cruces, NM)
on 6 Aug 2007; 20:07 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 2 supernovae in images obtained Aug 03 and Aug 05 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               
SNF20070803-008 03:11:33.21 -00:44:46.7 Aug 03.5 18.8 Aug 06.6 Ibc 0.03 Around max
SNF20070805-004 20:19:18.82 06:31:11.3 Aug 05.2 19.0 Aug 06.4 II 0.03 Few months past max

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R. E. Rutledge , Editor
ATEL Mirror v1.0 Updates