The Sloan Digital Sky Survey-II: Photometry and Supernova Ia Light Curves from the 2005 Data

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We present ugriz light curves for 146 spectroscopically confirmed or spectroscopically probable Type Ia supernovae from the 2005 season of the SDSS-II Supernova survey. The light curves have been constructed using a photometric technique that we call scene modeling, which is described in detail here; the major feature is that supernova brightnesses are extracted from a stack of images without spatial resampling or convolution of the image data. This procedure produces accurate photometry along with accurate estimates of the statistical uncertainty, and can be used to derive photometry taken with multiple telescopes. We discuss various tests of this technique that ... continued below

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15 pages

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Holtzman, Jon A.; U., /New Mexico State; Marriner, John; /Fermilab; Kessler, Richard; /KICP, Chicago /Chicago U., EFI et al. August 26, 2010.

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We present ugriz light curves for 146 spectroscopically confirmed or spectroscopically probable Type Ia supernovae from the 2005 season of the SDSS-II Supernova survey. The light curves have been constructed using a photometric technique that we call scene modeling, which is described in detail here; the major feature is that supernova brightnesses are extracted from a stack of images without spatial resampling or convolution of the image data. This procedure produces accurate photometry along with accurate estimates of the statistical uncertainty, and can be used to derive photometry taken with multiple telescopes. We discuss various tests of this technique that demonstrate its capabilities. We also describe the methodology used for the calibration of the photometry, and present calibrated magnitudes and fluxes for all of the spectroscopic SNe Ia from the 2005 season.

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15 pages

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  • Journal Name: Astron.J.136:2306-2320,2008

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  • Report No.: SLAC-PUB-13404
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 992467
  • Archival Resource Key: ark:/67531/metadc1013424

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  • August 26, 2010

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  • Oct. 14, 2017, 8:36 a.m.

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  • Nov. 3, 2017, 1:49 p.m.

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Holtzman, Jon A.; U., /New Mexico State; Marriner, John; /Fermilab; Kessler, Richard; /KICP, Chicago /Chicago U., EFI et al. The Sloan Digital Sky Survey-II: Photometry and Supernova Ia Light Curves from the 2005 Data, article, August 26, 2010; [California]. (digital.library.unt.edu/ark:/67531/metadc1013424/: accessed December 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.