Journal Article

The disc mass of spiral galaxies

Paolo Salucci, Irina A. Yegorova and Niv Drory

in Monthly Notices of the Royal Astronomical Society

Published on behalf of The Royal Astronomical Society

Volume 388, issue 1, pages 159-164
Published in print July 2008 | ISSN: 0035-8711
Published online July 2008 | e-ISSN: 1365-2966 | DOI: https://dx.doi.org/10.1111/j.1365-2966.2008.13295.x
The disc mass of spiral galaxies

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We derive the disc masses of 18 spiral galaxies of different luminosity and Hubble type, both by mass modelling their rotation curves and by fitting their spectral energy distribution with spectrophotometric models. The good agreement of the estimates obtained from these two different methods allows us to quantify the reliability of their performance and to derive very accurate stellar mass-to-light ratio versus colour (and stellar mass) relationships.

Keywords: galaxies: kinematics and dynamics; galaxies: spiral; dark matter

Journal Article.  4270 words.  Illustrated.

Subjects: Astronomy and Astrophysics

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