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
基金
美国国家科学基金会; 澳大利亚研究理事会; 美国国家航空航天局; 英国科学技术设施理事会; 加拿大自然科学与工程研究理事会;
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
收藏
页码:594 / 605
页数:12
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