Journal
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume 464, Issue 1, Pages 2-20Publisher
OXFORD UNIV PRESS
DOI: 10.1093/mnras/stw1774
Keywords
galaxies: haloes; galaxies: kinematics and dynamics; galaxies: photometry; galaxies: spiral; galaxies: structure
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Funding
- Space Telescope Science Institute, Baltimore, USA
- Research School for Astronomy and Astrophysics, Australian National University, Canberra, Australia
- Instituto de Astrofisica de Canarias, La Laguna, Tenerife, Spain
- Faculty of Mathematics and Natural Sciences of the University of Groningen
- Leids Kerkhoven-Bosscha Fonds
- Area of Exact Sciences of the Netherlands Organization for Scientific Research (NWO)
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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.
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