2001/07/18 by Stacy McGaugh, Vera Rubin, W. J. G. de Blok +1 · 13 citations
Environmental Science · Mathematics · Physics and Astronomy · #Artificial intelligence #Astronomy #Astrophysics #Brightness #Computer science #Galaxies: Formation, Evolution, Phenomena #Galaxy #Galaxy formation and evolution #Galaxy rotation curve #Geometry #Magnitude (astronomy) #Mathematics #Physics #Plant Water Relations and Carbon Dynamics #Resolution (logic) #Rotation (mathematics) #Scientific Research and Discoveries #Surface (topology) #Surface brightness #astro-ph
paper · pdf · doi:10.1086/323448
published as Astron.J. 122 (2001) 2381-2395 · Accepted for publication in the Astronomical Journal. Electronic versions of the data are available at http://www.astro.umd.edu/~ssm/data & http://www.atnf.csiro.au/~edeblok/data
arxiv created 2001/07/18 · openalex publication_date 2001/11/01 · arxiv updated 2009/12/01 · openalex created_date 2017/05/26 · openalex updated_date 2026/08/05
We present long-slit Hα 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.