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

被引：7

作者：

Graham, M. L. ^{[1
]}

Pritchet, C. J. ^{[1
]}

Sullivan, M. ^{[2
]}

Howell, D. A. ^{[3
]}

Gwyn, S. D. J. ^{[4
]}

Astier, P. ^{[5
,6
,7
]}

Balland, C. ^{[5
,6
,7
]}

Basa, S. ^{[8
]}

Carlberg, R. G. ^{[9
]}

Conley, A. ^{[10
]}

Fouchez, D. ^{[11
,12
]}

Guy, J. ^{[5
,6
,7
]}

Hardin, D. ^{[5
,6
,7
]}

Hook, I. M. ^{[2
,13
]}

Pain, R. ^{[5
,6
,7
]}

Perrett, K. ^{[9
]}

Regnault, N. ^{[5
,6
,7
]}

Rich, J. ^{[14
]}

Balam, D. ^{[1
]}

Fabbro, S. ^{[1
,15
,16
]}

Hsiao, E. Y. ^{[1
,17
]}

Mourao, A. ^{[15
,16
]}

Palanque-Delabrouille, N. ^{[14
]}

Perlmutter, S. ^{[17
]}

Ruhlman-Kleider, V. ^{[14
]}

Suzuki, N. ^{[17
]}

Fakhouri, H. K. ^{[17
]}

Walker, E. S. ^{[2
]}

机构：

[1] Univ Victoria, Dept Phys & Astron, Victoria, BC V8T 1M8, Canada

[2] Univ Oxford Astrophys, Oxford OX1 3RH, England

[3] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA

[4] NRC Herzberg Inst Astrophys, Canadian Astron Data Ctr, Victoria, BC V9E 2E7, Canada

[5] CNRS, IN2P3, LPNHE, F-75252 Paris 05, France

[6] Univ Paris 06, F-75252 Paris 05, France

[7] Univ Paris 07, F-75252 Paris 05, France

[8] LAM, F-13388 Marseille 13, France

[9] Univ Toronto, Dept Astron & Astrophys, Toronto, ON M5S 3H8, Canada

[10] Univ Colorado, Dept Astrophys & Planetary Sci, Boulder, CO 80309 USA

[11] CNRS, IN2P3, CPPM, F-13288 Marseille 9, France

[12] Univ Aix Marseille 2, F-13288 Marseille 9, France

[13] Osserv Astron Roma, INAF, I-00040 Monte Porzio Catone, RM, Italy

[14] CEA Saclay, DSM, Irfu, Spp, F-91191 Gif Sur Yvette, France

[15] CENTRA Ctr M Astrofis, Lisbon, Portugal

[16] IST, Dept Phys, Lisbon, Portugal

[17] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

来源：

ASTRONOMICAL JOURNAL | 2010年 / 139卷 / 02期

基金：

美国国家科学基金会; 澳大利亚研究理事会; 加拿大自然科学与工程研究理事会; 英国科学技术设施理事会; 美国国家航空航天局;

关键词：

supernovae:; general; STAR-FORMATION; DEEP FIELD; VLA SURVEY; LUMINOSITY; PROGENITORS; ULTRAVIOLET; METALLICITY; CONSTRAINTS; EVOLUTION; UNIVERSE;

D O I：

10.1088/0004-6256/139/2/594

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have combined the large SN Ia database of the Canada-France-Hawaii Telescope Supernova Legacy Survey and catalogs of galaxies with photometric redshifts, Very Large Array 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 similar to 1-5 times the rate in all early-type galaxies, and that any enhancement is always less than or similar to 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-obscured star formation, we incorporate infrared star formation rates into the "A+B" model. We also show the properties of SNe Ia in radio and infrared galaxies suggest the hosts contain dust and support a continuum of delay time distributions (DTDs) for SNe Ia, although other DTDs cannot be ruled out based on our data.

引用

页码：594 / 605

页数：12

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