High-resolution rotation curves of low surface brightness galaxies. I. Data

被引：181

作者：

McGaugh, SS ^{[1
]}

Rubin, VC

de Blok, WJG

机构：

[1] Univ Maryland, Dept Astron, College Pk, MD 20742 USA

[2] Carnegie Inst Washington, Dept Terr Magnetism, Washington, DC 20015 USA

[3] Australia Telescope Natl Facil, Epping, NSW 1710, Australia

来源：

ASTRONOMICAL JOURNAL | 2001年 / 122卷 / 05期

关键词：

dark matter; galaxies : fundamental parameters; galaxies : kinematics and dynamics;

D O I：

10.1086/323448

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present long-slit H alpha observations of 50 low surface brightness galaxies. Of these, 36 are of sufficient quality to form rotation curves. These data provide a large increase in the number of low surface brightness galaxies for which accurate rotation curves are available. They also represent an order-of-magnitude improvement in spatial resolution over previous 21 cm studies (1 " -2 " instead of 13 " -45 "). The improved resolution and accuracy of the data extend and strengthen the scientific conclusions previously inferred from 21 cm data.

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收藏

页码：2381 / 2395

页数：15

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