The type Ia supernova rate in radio and infrared galaxies from the Canada-France-Hawaii telescope supernova legacy survey
We have combined the large SNIa database of the Canada-France-Hawaii Telescope Supernova Legacy Survey and catalogs of galaxies with photometric redshifts, Very Large Array 1.4GHz radio sources, and Spitzer infrared sources. We present eight SNeIa in early-type host galaxies which have counterparts...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
2010
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| _version_ | 1797090002538070016 |
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| author | Graham, M Pritchet, C Sullivan, M Howell, D Gwyn, S Astier, P Balland, C Basa, S Carlberg, R Conley, A Fouchez, D Guy, J Hardin, D Hook, I Pain, R Perrett, K Regnault, N Rich, J Balam, D Fabbro, S Hsiao, E Mourao, A Palanque-Delabrouille, N Perlmutter, S Ruhlman-Kleider, V |
| author_facet | Graham, M Pritchet, C Sullivan, M Howell, D Gwyn, S Astier, P Balland, C Basa, S Carlberg, R Conley, A Fouchez, D Guy, J Hardin, D Hook, I Pain, R Perrett, K Regnault, N Rich, J Balam, D Fabbro, S Hsiao, E Mourao, A Palanque-Delabrouille, N Perlmutter, S Ruhlman-Kleider, V |
| author_sort | Graham, M |
| collection | OXFORD |
| description | We have combined the large SNIa database of the Canada-France-Hawaii Telescope Supernova Legacy Survey and catalogs of galaxies with photometric redshifts, Very Large Array 1.4GHz radio sources, and Spitzer infrared sources. We present eight SNeIa 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 ≲2σ. Rates in these subsets are consistent with predictions of the two-component "A+B" SN Ia rate model. Since infrared properties of radio SNIa hosts indicate dust-obscured star formation, we incorporate infrared star formation rates into the "A+B" model. We also show the properties of SNeIa in radio and infrared galaxies suggest the hosts contain dust and support a continuum of delay time distributions (DTDs) for SNeIa, although other DTDs cannot be ruled out based on our data. © 2010. The American Astronomical Society. All rights reserved. |
| first_indexed | 2024-03-07T03:12:11Z |
| format | Journal article |
| id | oxford-uuid:b4919167-a3b5-41e6-bf11-9a2827755ac3 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T03:12:11Z |
| publishDate | 2010 |
| record_format | dspace |
| spelling | oxford-uuid:b4919167-a3b5-41e6-bf11-9a2827755ac32022-03-27T04:27:12ZThe type Ia supernova rate in radio and infrared galaxies from the Canada-France-Hawaii telescope supernova legacy surveyJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:b4919167-a3b5-41e6-bf11-9a2827755ac3EnglishSymplectic Elements at Oxford2010Graham, MPritchet, CSullivan, MHowell, DGwyn, SAstier, PBalland, CBasa, SCarlberg, RConley, AFouchez, DGuy, JHardin, DHook, IPain, RPerrett, KRegnault, NRich, JBalam, DFabbro, SHsiao, EMourao, APalanque-Delabrouille, NPerlmutter, SRuhlman-Kleider, VWe have combined the large SNIa database of the Canada-France-Hawaii Telescope Supernova Legacy Survey and catalogs of galaxies with photometric redshifts, Very Large Array 1.4GHz radio sources, and Spitzer infrared sources. We present eight SNeIa 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 ≲2σ. Rates in these subsets are consistent with predictions of the two-component "A+B" SN Ia rate model. Since infrared properties of radio SNIa hosts indicate dust-obscured star formation, we incorporate infrared star formation rates into the "A+B" model. We also show the properties of SNeIa in radio and infrared galaxies suggest the hosts contain dust and support a continuum of delay time distributions (DTDs) for SNeIa, although other DTDs cannot be ruled out based on our data. © 2010. The American Astronomical Society. All rights reserved. |
| spellingShingle | Graham, M Pritchet, C Sullivan, M Howell, D Gwyn, S Astier, P Balland, C Basa, S Carlberg, R Conley, A Fouchez, D Guy, J Hardin, D Hook, I Pain, R Perrett, K Regnault, N Rich, J Balam, D Fabbro, S Hsiao, E Mourao, A Palanque-Delabrouille, N Perlmutter, S Ruhlman-Kleider, V The type Ia supernova rate in radio and infrared galaxies from the Canada-France-Hawaii telescope supernova legacy survey |
| title | The type Ia supernova rate in radio and infrared galaxies from the Canada-France-Hawaii telescope supernova legacy survey |
| title_full | The type Ia supernova rate in radio and infrared galaxies from the Canada-France-Hawaii telescope supernova legacy survey |
| title_fullStr | The type Ia supernova rate in radio and infrared galaxies from the Canada-France-Hawaii telescope supernova legacy survey |
| title_full_unstemmed | The type Ia supernova rate in radio and infrared galaxies from the Canada-France-Hawaii telescope supernova legacy survey |
| title_short | The type Ia supernova rate in radio and infrared galaxies from the Canada-France-Hawaii telescope supernova legacy survey |
| title_sort | type ia supernova rate in radio and infrared galaxies from the canada france hawaii telescope supernova legacy survey |
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