2006CBET..786....1B -
Central Bureau Electronic Telegrams, 786, 1 (2006/December-0)
Supernovae 2006sv-2006tc.
BASSETT B., BECKER A., BREWINGTON H., CHOI C., CINABRO D., DEJONGH F., DEMBICKY J., DEPOY D.L., DILDAY B., DOI M., FRIEMAN J., GARNAVICH P., HARVANEK M., HOGAN C., HOLTZMAN J., IM M., JHA S., KONISHI K., KRZESINSKI J., LAMPEITL H., KESSLER R., KETZEBACK B., LONG D., MALANUSHENKO O., MARRINER J., McGINNIS D., McMILLAN R., MIKNAITIS G., MOROKUMA T., NICHOL R., PAN K., PRIETO J.L., RICHMOND M., RIESS A., ROMANI R., SAKO M., SAURAGE G., SCHNEIDER D., SMITH M., SNEDDEN S., TAKANASHI N., TOKITA K., VAN DER HEYDEN K., WATTERS S., WHEELER C., YASUDA N., ZHENG C., HOPP U. and KOLLATSCHNY W.
Abstract (from CDS):
Further to CBETs 611 and 770, B. Bassett, South African Astronomical Observatory (SAAO); A. Becker, University of Washington (UW); H. Brewington, Apache Point Observatory (APO); C. Choi, Seoul National University (SNU); D. Cinabro, Wayne State University; F. DeJongh, Fermilab; J. Dembicky, APO; D. L. DePoy, Ohio State University (OSU); B. Dilday, University of Chicago (UC); M. Doi, University of Tokyo (UoT); J. Frieman, Fermilab and UC; P. Garnavich, University of Notre Dame; M. Harvanek, APO; C. Hogan, UW; J. Holtzman, New Mexico State University; M. Im, SNU; S. Jha, Stanford University (SU); K. Konishi, UoT; J. Krzesinski, APO; H. Lampeitl, Space Telescope Science Institute (STScI); R. Kessler, UC; B. Ketzeback, D. Long, O. Malanushenko, and V. Malanushenko, APO; J. Marriner and D. McGinnis, Fermilab; R. McMillan, APO; G. Miknaitis, Fermilab; T. Morokuma, UoT; R. Nichol, University of Portsmouth (UP); K. Pan, APO; J. L. Prieto, OSU; M. Richmond, Rochester Institute of Technology; A. Riess, STScI; R. Romani, SU; M. Sako, University of Pennsylvania; G. Saurage, APO; D. Schneider, Pennsylvania State University; M. Smith, UP; S. Snedden, APO; N. Takanashi and K. Tokita, UoT; K. van der Heyden, SAAO; S. Watters, APO; C. Wheeler, University of Texas; N. Yasuda, UoT; and C. Zheng, SU, on behalf of the Sloan Digital Sky Survey II collaboration, report the discovery of eight new supernovae on multiple g, r, and i images taken with the SDSS 2.5-m telescope at APO by the SDSS observing team. Romani, Zheng, Sako, Wheeler, and Schneider, together with U. Hopp (University of Munich) and W. Kollatschny (University of Goettingen), report that spectroscopic observations with the Hobby Eberly Telescope on Dec. 13, 15, and 18 UT indicate that seven of the new objects are type-Ia supernovae and that the eighth, 2006sz, is a probable type-Ia supernova. The discovery magnitudes tabulated below are all SDSS g magnitudes. Spectroscopic redshifts are given in the column labelled "z". Peak dates (all 2006) are approximate estimates from early fits to the multi-band light curves or from the spectra. ---------------------------------------------------------------------------— SN Discov. R.A. (2000.0) Decl. Mag. z Estimated Peak Date ---------------------------------------------------------------------------— 2006sv Nov. 9 22 25 28.25 + 0 15 55.0 22.0 0.30 Nov. 19 2006sw Nov. 14 1 05 00.20 - 0 22 28.7 22.7 0.33 Nov. 25 2006sx Nov. 16 0 31 48.32 - 0 30 50.2 21.9 0.23 Nov. 24 2006sy Nov. 16 2 21 05.20 + 0 49 42.2 22.6 0.21 Dec. 1 2006sz Nov. 16 23 42 52.46 - 0 33 22.9 22.6 0.19 Nov. 21 2006ta Nov. 19 3 29 50.42 + 0 17 42.3 22.0 0.29 Nov. 27 2006tb Nov. 19 3 45 15.49 - 0 07 42.8 22.3 0.30 Nov. 18 2006tc Nov. 23 3 08 01.96 + 0 56 36.4 22.3 0.21 Dec. 1
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