Evolution of supernova explosion rates in the universe

被引：33

作者：

Jorgensen, HE ^{[1
]}

Lipunov, VM ^{[1
]}

Panchenko, IE ^{[1
]}

Postnov, KA ^{[1
]}

Prohorov, ME ^{[1
]}

机构：

[1] MOSCOW MV LOMONOSOV STATE UNIV,STERNBERG ASTRON INST,MOSCOW 119899,RUSSIA

来源：

ASTROPHYSICAL JOURNAL | 1997年 / 486卷 / 01期

关键词：

galaxies; evolution; stellar content; stars; statistics; supernovae; general;

D O I：

10.1086/304487

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The prospects of detecting extragalactic supernovae (SNs) down to visual magnitudes 23-25 give us hope for observing them in the most distant parts of the universe. Using a Monte Carlo method of stellar population synthesis (the Scenario Machine), we compute, under standard assumptions of stellar evolution, the rates of SNs of various types in a model galaxy and evaluate the SN rates in the universe. The expected cumulative distribution log N - m (number of events - stellar magnitude) is calculated for various SN types and different star formation histories in the universe. The results are also presented in terms of evolution of supernova units with redshifts. Recent observational data on the high-redshift SN Ia rate are in good agreement with our predictions for the relative density of baryons contained in stars at the present time (Omega* = 0.0057).

引用

页码：110 / 116

页数：7

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