2006A&A...446L...5H

Query : 2006A&A...446L...5H

2006A&A...446L...5H - Astronomy and Astrophysics, volume 446L5-8 (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.

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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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Number of rows : 3
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 M 31 AGN 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 13622 1
2 NGC 1566 Sy1 04 20 00.3968473248 -54 56 16.624708764 10.29 10.19 9.73 9.21 10.1 ~ 1051 2
3 NGC 5247 EmG 13 38 03.0183262176 -17 53 02.645511252   10.77   9.96 10.5 ~ 228 0

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