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arXiv:astro-ph/9607042 (astro-ph)
[Submitted on 8 Jul 1996]

Title:Does low surface brightness mean low surface density?

Authors:W.J.G. de Blok (Kapteyn Institute, Groningen), S.S. McGaugh (DTM, Washington DC)
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Abstract: We compare the dynamical properties of two galaxies at identical positions on the Tully-Fisher relation, but with different surface brightnesses. We find that the low surface brightness galaxy UGC 128 has a higher mass-to-light ratio, and yet has lower mass densities than the high surface brightness galaxy NGC 2403. This is true for the gas surface density, the stellar surface density, and the total mass density.
Comments: 10 pages, including 2 postscript figures, uses this http URL, accepted for publication in Astrophysical Journal Letters
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:astro-ph/9607042
  (or arXiv:astro-ph/9607042v1 for this version)
  https://doi.org/10.48550/arXiv.astro-ph/9607042
Related DOI: https://doi.org/10.1086/310266

Submission history

From: Erwin de Blok [view email]
[v1] Mon, 8 Jul 1996 12:08:19 UTC (43 KB)
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