ON THE ROLE OF RADIOACTIVE DECAYS IN POWERING GAMMA-RAYS AND X-RAYS FROM NOVAE

被引：16
|
作者：
LIVIO, M
MASTICHIADIS, A
OGELMAN, H
TRURAN, JW
机构：
[1] TECHNION ISRAEL INST TECHNOL,DEPT PHYS,IL-32000 HAIFA,ISRAEL
[2] MAX PLANCK INST NUCL PHYS,W-6900 HEIDELBERG 1,GERMANY
[3] MAX PLANCK INST EXTRATERRESTR PHYS,GARCHING,GERMANY
[4] UNIV CHICAGO,ENRICO FERMI INST,DEPT ASTRON & ASTROPHYS,CHICAGO,IL 60637
来源：
ASTROPHYSICAL JOURNAL | 1992年 / 394卷 / 01期
关键词：
NOVAE; CATACLYSMIC VARIABLES; NUCLEAR REACTIONS; NUCLEOSYNTHESIS; ABUNDANCES; X-RAYS; STARS;
D O I：
10.1086/171573
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Existing models for X-ray emission from novae in outburst encounter several difficulties. We calculate the X-ray flux that may be expected to result from Compton degradation of gamma rays produced by radioactive decays. We demonstrate specifically that radioactive decays of Na-22 may play an interesting role in the production of hard X-rays, particularly in novae enriched in oxygen, neon, and magnesium.
引用
收藏
页码：217 / 220
页数：4
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