The shape of dark matter haloes -I. HI observations of edge-on galaxies

被引：6

作者：

Peters, S. P. C. ^{[1
]}

van der Kruit, P. C. ^{[1
]}

Allen, R. J. ^{[2
]}

Freeman, K. C. ^{[3
]}

机构：

[1] Univ Groningen, Kapteyn Astron Inst, POB 800, NL-9700 AV Groningen, Netherlands

[2] Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA

[3] Australian Natl Univ, Res Sch Astron & Astrophys, Cotter Rd, Weston, ACT 2611, Australia

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2017年 / 464卷 / 01期

关键词：

galaxies: haloes; galaxies: kinematics and dynamics; galaxies: photometry; galaxies: spiral; galaxies: structure; NEUTRAL HYDROGEN OBSERVATIONS; SPIRAL GALAXIES; LENTICULAR GALAXIES; MOLECULAR-HYDROGEN; STAR-FORMATION; NGC; 4244; DISK; CATALOG; PLANE; PHOTOMETRY;

D O I：

10.1093/mnras/stw1774

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present neutral hydrogen observations for a sample of eight nearby, late-type, edge-on galaxies. All of the galaxies have been well resolved in the radial direction, while six have also been well resolved in the vertical direction. We find that each of the galaxies has approximately the same maximum surface brightness temperature throughout its disc. We argue that self-absorption is the main cause of this phenomenon and that subsequent decompositions will require a treatment of this.

引用

页码：2 / 20

页数：19

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