BAYES' THEOREM AND EARLY SOLAR SHORT-LIVED RADIONUCLIDES: THE CASE FOR AN UNEXCEPTIONAL ORIGIN FOR THE SOLAR SYSTEM

被引：17

作者：

Young, Edward D. ^{[1
]}

机构：

[1] Univ Calif Los Angeles, Dept Earth Planetary & Space Sci, 595 Charles E Young Dr E,Geol Bldg, Los Angeles, CA 90095 USA

来源：

ASTROPHYSICAL JOURNAL | 2016年 / 826卷 / 02期

关键词：

astrochemistry; ISM: supernova remnants; meteorites; meteors; meteoroids; stars: Wolf-Rayet; INTERSTELLAR-MEDIUM; MOLECULAR CLOUDS; MASSIVE STARS; SN; 2013CU; NUCLEOSYNTHESIS; PROGENITOR; ABUNDANCES; SUPERNOVAE; METEORITES; CLUSTERS;

D O I：

10.3847/0004-637X/826/2/129

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The presence of excesses of short-lived radionuclides in the early solar system evidenced in meteorites has been taken as testament to close encounters with exotic nucleosynthetic sources, including supernovae or AGB stars. An analysis of the likelihoods associated with different sources of these extinct nuclides in the early solar system indicates that, rather than being exotic, their abundances were typical of star-forming regions like those observed today in the Galaxy. The radiochemistry of the early solar system is therefore unexceptional, being the consequence of extensive averaging of solids from molecular clouds.

引用

页数：6

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