Flat edge-on galaxies on the Tully-Fischer diagram.

Details Flat edge-on galaxies on the Tully-Fischer diagram. Flat edge-on galaxies on the Tully-Fischer diagram.

Aug 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pazh...17..671k&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 17, Aug. 1991, p. 671-683. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

5

Astronomical Catalogs, Astronomical Photometry, Galactic Radiation, Galactic Structure, Red Shift, Brightness Temperature, Galactic Mass, Galactic Rotation, Stellar Luminosity

Scientific paper

For a sample of 114 northern galaxies with angular diameters greater than 2 arcmin and apparent axial ratios greater than 7, relations are discussed between their global parameters: the inner motion amplitude W, the blue luminosity, the linear diameter, and the neutral hydrogen mass. Taken as a distance indicator for the given W, these parameters exhibit nearly the same efficiency. Outside the Local Supercluster the linear diameter of the flat edge-on galaxy produces a standard deviation about 25 percent as a distance estimate. The total mass-to-luminosity ratio of flat galaxies increases when their mean surface brightness decreases.

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