ACCURATE GALACTIC NH VALUES TOWARDS QUASARS AND AGN

被引：348

作者：

ELVIS, M ^{[1
]}

LOCKMAN, FJ ^{[1
]}

WILKES, BJ ^{[1
]}

机构：

[1] NATL RADIO ASTRON OBSERV,CHARLOTTESVILLE,VA 22903

来源：

ASTRONOMICAL JOURNAL | 1989年 / 97卷 / 03期

关键词：

D O I：

10.1086/115022

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

引用

页码：777 / 782

页数：6

共 23 条

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