Luminosity and mass models for the barred spiral galaxies NGC 7741, NGC 3359 and NGC 7479

Details Luminosity and mass models for the barred spiral galaxies NGC 7741, NGC 3359 and NGC 7479 Luminosity and mass models for the barred spiral galaxies NGC 7741, NGC 3359 and NGC 7479

Jul 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26as...61..141d&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 61, July 1985, p. 141-162.

Astronomy and Astrophysics

Astrophysics

31

Astronomical Models, Barred Galaxies, Gas Dynamics, Mass To Light Ratios, Radial Velocity, Astronomical Spectroscopy, Ionized Gases, Luminosity, Mass Distribution, Spiral Galaxies

Scientific paper

From two-dimensional photometric data and the radial velocity field of the ionized gas, luminosity distributions and mass models of three late-type barred spiral galaxies, NGC 7741, NGC 3359, and NGC 7479, are obtained. It is shown that the isoradial velocities clearly exhibit the classical S-shaped distortion, expected from the gravitational pull of the bar. The near equality of the mass/luminosity ratios of the stellar bar and its surrounding disk is seen for the first two galaxies, but a significantly lower value is seen for NGC 7479.

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