publication . Article . Preprint . 2010

THE TYPE Ia SUPERNOVA RATE IN RADIO AND INFRARED GALAXIES FROM THE CANADA-FRANCE-HAWAII TELESCOPE SUPERNOVA LEGACY SURVEY

Graham, M. L.; Pritchet, C. J.; Sullivan, M.; Howell, D. A.; Gwyn, S. D. J.; Astier, P.; Balland, C.; Basa, S.; Carlberg, R. G.; Conley, A.; ...
Open Access
  • Published: 01 Feb 2010 Journal: The Astronomical Journal, volume 139, pages 594-605 (issn: 0004-6256, eissn: 1538-3881, Copyright policy)
  • Publisher: IOP Publishing
Abstract
We have combined the large SN Ia database of the Canada-France-Hawaii Telescope Supernova Legacy Survey and catalogs of galaxies with photometric redshifts, VLA 1.4 GHz radio sources, and Spitzer infrared sources. We present eight SNe Ia in early-type host galaxies which have counterparts in the radio and infrared source catalogs. We find the SN Ia rate in subsets of radio and infrared early-type galaxies is ~1-5 times the rate in all early-type galaxies, and that any enhancement is always <~ 2 sigma. Rates in these subsets are consistent with predictions of the two component "A+B" SN Ia rate model. Since infrared properties of radio SN Ia hosts indicate dust ob...
Subjects
arXiv: Astrophysics::Cosmology and Extragalactic AstrophysicsAstrophysics::Galaxy AstrophysicsAstrophysics::Earth and Planetary AstrophysicsAstrophysics::Solar and Stellar AstrophysicsAstrophysics::High Energy Astrophysical Phenomena
free text keywords: Space and Planetary Science, Astronomy and Astrophysics, Galaxy, Luminous infrared galaxy, Physics, Supernova, Astrophysics, Supernova Legacy Survey, Telescope, law.invention, law, Photometry (optics), Redshift, Star formation, Astronomy, supernovae: general, [PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], [SDU.ASTR.CO]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO], Astrophysics - Cosmology and Nongalactic Astrophysics
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Project
  • Funder: Natural Sciences and Engineering Research Council of Canada (NSERC)
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publication . Article . Preprint . 2010

THE TYPE Ia SUPERNOVA RATE IN RADIO AND INFRARED GALAXIES FROM THE CANADA-FRANCE-HAWAII TELESCOPE SUPERNOVA LEGACY SURVEY

Graham, M. L.; Pritchet, C. J.; Sullivan, M.; Howell, D. A.; Gwyn, S. D. J.; Astier, P.; Balland, C.; Basa, S.; Carlberg, R. G.; Conley, A.; ...