High-resolution rotation curves of low surface brightness galaxies: Data

Details High-resolution rotation curves of low surface brightness galaxies: Data High-resolution rotation curves of low surface brightness galaxies: Data

2001-07-18

arxiv.org/abs/astro-ph/0107326v1

Astron.J. 122 (2001) 2381-2395

Astronomy and Astrophysics

Astrophysics

Accepted for publication in the Astronomical Journal. Electronic versions of the data are available at http://www.astro.umd.ed

Scientific paper

10.1086/323448

We present long slit Halpha 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" to 2" instead of 13" to 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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