HIGH METALLICITY GIANT HII-REGIONS

被引：0

作者：

TERLEVICH, E

机构：

来源：

REVISTA MEXICANA DE ASTRONOMIA Y ASTROFISICA | 1993年 / 27卷

关键词：

GALAXIES; ABUNDANCES; ISM; H-II REGIONS;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Abundances of high metallicity (low excitation) HII regions are difficult to derive, as the temperature sensitive lambda 4363 angstrom line is very weak or absent in these objects. Empirical methods using strong emission lines covering a wide spectral range (lambda 3700 to lambda 9600 angstrom) combined with photoionization models provide reliable abundances for these objects.

引用

页码：29 / 31

页数：3

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