INTERSTELLAR ABSORPTION-LINES IN THE GALAXY NGC-1705

被引：29

作者：

YORK, DG

CAULET, A

RYBSKI, P

GALLAGHER, J

BLADES, JC

MORTON, DC

WAMSTEKER, W

机构：

[1] UNIV CHICAGO,DEPT ASTRON & ASTROPHYS,CHICAGO,IL 60637

[2] LOWELL OBSERV,FLAGSTAFF,AZ 86001

[3] SPACE TELESCOPE SCI INST,BALTIMORE,MD 21218

[4] NATL RES COUNCIL CANADA,HERZBERG INST ASTROPHYS,OTTAWA K1A 0R6,ONTARIO,CANADA

[5] EUROPEAN SPACE AGCY,F-75738 PARIS 15,FRANCE

来源：

ASTROPHYSICAL JOURNAL | 1990年 / 351卷 / 02期

关键词：

Galaxies: individual (NGC 1705); Galaxies: interstellar matter; Ultraviolet: spectra;

D O I：

10.1086/168476

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The possibility is considered, and shown to be plausible, that the strong C iv and Si iv absorption lines in low-resolution ultraviolet spectra of gas-rich dwarf galaxies are primarily interstellar, not stellar as has been supposed. The argument is based on analogies with H II regions in the Local Group, on low-resolution equivalent width measurements of gas-rich dwarf galaxies from the literature and on high-resolution UV spectra of NGC 1705.

引用

页码：412 / 417

页数：6

共 48 条

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