2005CBET..268....1B -
Central Bureau Electronic Telegrams, 268, 1 (2005/November-0)
Supernovae 2005hk-2005ik.
BARENTINE J., BASSETT B., BECKER A., BENDER R., BREMER M., BREWINGTON H., DEJONGH F., DEMBICKY J., DEPOY D.L., DILDAY B., DOI M., EDGE A., ELSON E., FRIEMAN J., GARNAVICH P., GOOBAR A., HARVANEK M., GUETH T., HOLTZMAN J., HOPP U., KOLLATSCHNY W., KONISHI K., KRZESINSKI J., LAMENTI D., LAMPEITL H., KESSLER R., KETZEBACK B., LONG D., MARRINER J., MARSHALL J.L., McMILLAN R., MENDEZ J., MIKNAITIS G., MOROKUMA T., NICHOL R., PAN K., PRIETO J.L., RICHMOND M., RIESS A., ROMANI R., ROMER K., RUIZ-LAPUENTE P., SAKO M., SCHNEIDER D., SMITH M., SNEDDEN S., SUBBARAO M., TAKANASHI N., TOKITA K., VAN DER HEYDEN K., WHEELER C. and YASUDA N.
Abstract (from CDS):
Further to CBETs 254 and 259, J. Barentine, Apache Point Observatory (APO); B. Bassett, University of Portsmouth (UP); A. Becker, University of Washington; R. Bender, University of Munich (UM); M. Bremer, University of Bristol; H. Brewington, APO; F. DeJongh, Fermilab; J. Dembicky, APO; D. L. DePoy, Ohio State University (OSU); B. Dilday, University of Chicago (UC); M. Doi, University of Tokyo; A. Edge, University of Durham; E. Elson, South African Astronomical Observatory (SAAO); J. Frieman, Fermilab and UC; P. Garnavich, University of Notre Dame; A. Goobar, Stockholm University; M. Harvanek, APO; T. Gueth and J. Holtzman, New Mexico State University; U. Hopp, UM; W. Kollatschny, Goettingen University; K. Konishi, University of Tokyo; J. Krzesinski, APO; D. Lamenti, San Francisco State University; H. Lampeitl, Fermilab; R. Kessler, UC; B. Ketzeback, APO; K. Konishi, University of Tokyo; D. Long, APO; J. Marriner, Fermilab; J. L. Marshall, OSU; R. McMillan, APO; J. Mendez, University of Barcelona (UB); G. Miknaitis, Fermilab; T. Morokuma, University of Tokyo; R. Nichol, UP; K. Pan, APO; J. L. Prieto, OSU; M. Richmond, Rochester Institute of Technology; A. Riess, Space Telescope Science Institute; R. Romani, Stanford University (SU); K. Romer, University of Sussex; P. Ruiz-Lapuente (UB); M. Sako (SU); D. Schneider, Pennsylvania State University; M. Smith, UP; S. Snedden, APO; M. Subbarao, UC and Adler Planetarium; N. Takanashi and K. Tokita, University of Tokyo; K. van der Heyden, SAAO; C. Wheeler, University of Texas; and N. Yasuda, University of Tokyo, on behalf of the Sloan Digital Sky Survey II collaboration, report the discovery of 27 supernovae on multiple g, r, and i images taken with the SDSS 2.5-m telescope at Apache Point Observatory by the SDSS observing team. Spectroscopy was obtained with the Subaru telescope, the Hobby-Eberly Telescope, the William Herschel Telescope, and the 2.4-m MDM telescope, showing 23 of the supernovae to be of type Ia, one to be a probable type-Ia event (SN 2005hq), and two (2005hl and 2005hm) to be of type Ib. The discovery g magnitudes are tabulated below (except for SN 2005id, which is an r magnitude because it was not detected with the g filter). Spectroscopic redshifts are given in the column labelled z where available. Peak g magnitudes and dates (all 2005) are estimated from fits to the multi-band light curves. SN 2005hk in UGC 272, announced on IAUC 8625, was independently discovered with the SDSS telescope on Oct. 28, with the following magnitudes also available: u = 18.6, r = 19.0, i = 19.3, z = 19.6; 2005hk was not detected on SDSS images taken two days earlier. SN Discov. R.A. (2000.0) Decl. Mag. z Estimated Peak Date Date Mag. 2005hk Oct. 28 0 27 50.9 - 1 11 53.3 18.8 2005hl Sep. 12 20 55 19.79 + 0 32 34.7 18.9 0.02 Aug. 27 17.4 2005hm Sep. 15 21 39 00.65 - 1 01 38.7 20.6 0.03 Sep. 4 18.2 2005hn Sep. 23 21 57 04.25 - 0 13 24.5 23.0 0.1 Oct. 8 19.7 2005ho Sep. 26 0 59 24.10 + 0 00 09.4 20.9 0.06 Oct. 13 17.9 2005hp Oct. 2 20 28 52.60 - 0 46 45.3 22.2 0.18 Oct. 12 20.8 2005hq Oct. 2 20 50 19.78 - 0 49 31.0 23.0 0.41 Oct. 9 22.5 2005hr Oct. 3 3 18 33.83 + 0 07 24.1 22.7 0.12 Oct. 17 19.5 2005hs Oct. 3 3 29 22.06 - 1 05 40.9 22.9 0.3 Oct. 10 21.8 2005ht Oct. 11 20 50 24.61 - 0 10 04.4 21.5 – Oct. 19 20.7 2005hu Oct. 11 21 54 40.79 + 0 24 48.4 22.6 0.22 Oct. 21 21.5 2005hv Oct. 11 22 12 43.86 - 0 02 05.7 21.3 – Oct. 16 20.8 2005hw Oct. 11 0 09 28.47 + 1 09 17.7 22.8 0.41 Oct. 19 22.4 2005hx Oct. 11 0 13 00.13 + 0 14 53.6 20.6 0.12 Oct. 19 19.6 2005hy Oct. 11 0 14 23.59 + 0 19 59.0 21.7 – Oct. 24 19.7 2005hz Oct. 11 0 46 32.20 + 0 50 17.7 20.9 – Oct. 19 20.0 2005ia Oct. 11 1 11 35.03 - 0 00 21.2 21.7 0.25 Oct. 17 21.3 2005ib Oct. 11 1 31 25.69 - 0 36 12.2 22.9 0.39 Oct. 7 22.8 2005ic Oct. 12 21 51 08.69 - 0 50 34.6 22.0 0.31 Oct. 16 22.1 2005id Oct. 12 23 16 33.32 - 0 39 47.5 21.5* – Oct. 23 20.2 2005ie Oct. 12 2 19 02.54 - 0 16 22.2 22.1 0.28 Oct. 22 21.5 2005if Oct. 14 3 30 12.87 - 0 58 28.5 19.1 0.07 Oct. 19 18.8 2005ig Oct. 20 22 30 31.48 - 0 30 09.6 21.9 0.28 Oct. 19 21.6 2005ih Oct. 20 0 07 13.58 + 0 20 56.3 22.6 0.26 Oct. 26 21.6 2005ii Oct. 20 0 13 03.73 - 0 37 12.5 22.3 0.30 Oct. 25 21.9 2005ij Oct. 21 3 04 21.26 - 1 03 46.6 20.6 – Oct. 25 20.1 2005ik Oct. 23 21 31 15.60 - 1 03 25.2 22.2 0.31 Oct. 28 21.9
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