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2006A&A...446L...5H - Astronomy and Astrophysics, volume 446, L5-8 (2006/2-1)
A new method for determining mass-to-light ratios of nearly face-on spiral galaxies.
HU T., PENG Q.-H. and ZHAO Y.-H.
Abstract (from CDS):
This letter gives a new method for determining mass-to-light ratios of nearly face-on spiral galaxies. The method is based on the effective thickness of the galactic disk, the distribution of the vertical velocity dispersion, and the surface brightness of a spiral galaxy. As examples, the results of the determination of NGC 1566 and NGC 5247 in B-band are presented, and their mass-to-light ratios are 4.86∼8.99M☉/L☉ and 5.02∼6.90M☉/L☉ respectively.
Abstract Copyright: ∼
Journal keyword(s): galaxy: disk - galaxies: fundamental parameters - galaxies: spiral - galaxies: structure - galaxies: individual: NGC 1566, NGC 5247
Simbad objects: 3
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