Type Ia supernova rate at a redshift of ∼0.1

被引：66

作者：

Blanc, G ^{[1
]}

Afonso, C

Alard, C

Albert, JN

Aldering, G

Amadon, A

Andersen, J

Ansari, R

Aubourg, É

Balland, C

Bareyre, P

Beaulieu, JP

Charlot, X

Conley, A

Coutures, C

Dahlén, T

Derue, F

Fan, X

Ferlet, R

Folatelli, G

Fouqué, P

Garavini, G

Glicenstein, JF

Goldman, B

Goobar, A

Gould, A

Graff, D

Gros, M

Haissinski, J

Hamadache, C

Hardin, D

Hook, IM

de Kat, J

Kent, S

Kim, A

Lasserre, T

Le Guillou, L

Lesquoy, É

Loup, C

Magneville, C

Marquette, JB

Maurice, É

Maury, A

Milsztajn, A

Moniez, M

Mouchet, M

Newberg, H

Nobili, S

Palanque-Delabrouille, N

Perdereau, O

机构：

[1] CEA Saclay, DSM, DAPNIA, F-91191 Gif Sur Yvette, France

[2] Univ Paris 11, CNRS, IN2P3, Lab Accelerateur Lineaire, F-91405 Orsay, France

[3] Observ Marseille, F-13248 Marseille 04, France

[4] Coll France, CNRS, IN2P3, F-75231 Paris, France

[5] CNRS, INSU, Inst Astrophys Paris, F-75014 Paris, France

[6] Univ Copenhagen, Astron Observ, DK-2100 Copenhagen, Denmark

[7] Ohio State Univ, Dept Astron, Columbus, OH 43210 USA

[8] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[9] New Mexico State Univ, Dept Astron, Las Cruces, NM 88003 USA

[10] European So Observ, Santiago 19, Chile

[11] Observ Midi Pyrenees, F-31400 Toulouse, France

[12] Univ Stockholm, Dept Phys, AlbaNova Univ Ctr, S-10691 Stockholm, Sweden

[13] Osserv Astron Padova, INAF, I-35122 Padua, Italy

[14] Univ Paris 06, CNRS, IN2P3, Lab Phys Nucl & Hautes Energies, F-75252 Paris 05, France

[15] Univ Paris 07, CNRS, IN2P3, Lab Phys Nucl & Hautes Energies, F-75252 Paris 05, France

[16] Ecole Polytech, LLR, Lab Leprince Ringuet, F-91128 Palaiseau, France

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

[18] Univ Arizona, Steward Observ, Tucson, AZ 85721 USA

[19] Rensselaer Polytech Inst, Troy, NY 12180 USA

[20] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[21] Space Telescope Sci Inst, Baltimore, MD 21218 USA

[22] Observ Paris, LUTH, F-92195 Meudon, France

[23] Univ Paris 11, Inst Astrophys Spatiale, F-91405 Orsay, France

[24] Univ Paris 07, F-75005 Paris, France

[25] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA

[26] Observ Paris, GEPI, F-75014 Paris, France

[27] Univ Oxford, Dept Phys, Nucl & Astrophys Lab, Oxford OX1 3RH, England

[28] Univ Cambridge, Inst Astron, Cambridge CB3 0HA, England

[29] Univ Barcelona, Dept Astron, Barcelona, Spain

来源：

ASTRONOMY & ASTROPHYSICS | 2004年 / 423卷 / 03期

关键词：

stars : supernovae : general; galaxies : evolution; cosmology : miscellaneous; methods : observational;

D O I：

10.1051/0004-6361:20035948

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the type la rate measurement based on two EROS supernova search campaigns (in 1999 and 2000). Sixteen supernovae identified as type la were discovered. The measurement of the detection efficiency, using a Monte Carlo simulation, provides the type la supernova explosion rate at a redshift similar to0.13. The result is 0.125(-0.034-0.028)(+0.044+0.028) h(70)(2) SNu where 1 SNu = 1 SN / 10(10) L-.(B) / century. This value is compatible with the previous EROS measurement (Hardin et al. 2000), done with a much smaller sample, at a similar redshift. Comparison with other values at different redshifts suggests an evolution of the type la supernova rate.

引用

页码：881 / 894

页数：14

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