4 Supernova Discoveries
ATel #1188; The Nearby Supernova Factory: 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), 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. Cough, J. Holtzman (New Mexico State University, Las Cruces, NM)
on 21 Aug 2007; 19:38 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: R. C. Thomas (rcthomas@lbl.gov)
Subjects: Infra-Red, Optical, Ultra-Violet, Supernovae
The Nearby Supernova Factory reports the discovery of 4 supernovae in images obtained Aug 15 through Aug 19 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
SNF20070815-007 22:12:00.43 07:31:49.3 Aug 15.3 18.5 Aug 21.4 II 0.04
SNF20070816-002 00:16:26.16 -00:21:09.2 Aug 16.3 18.5 Aug 21.5 Ia 0.06 10 days after max
SNF20070816-006 22:53:42.55 12:05:54.4 Aug 16.3 19.5 Aug 21.5 Ia 0.08 few days after max
SNF20070819-007 01:39:05.65 06:14:42.0 Aug 19.5 20.0 Aug 21.5 Ia 0.11 at max
