The inclination effect of spiral galaxies on their fundamental observational characteristics

Details The inclination effect of spiral galaxies on their fundamental observational characteristics The inclination effect of spiral galaxies on their fundamental observational characteristics

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993astl...19..115n&link_type=abstract

Astronomy Letters, Vol. 19, p. 115-123; Pis'ma v Astronomicheskij Zhurnal (ISSN 0320-0108), vol. 19, no. 4, p. 310-328. In Russ

Astronomy and Astrophysics

Astronomy

3

Astronomical Photometry, Galactic Structure, Mass To Light Ratios, Spiral Galaxies, Luminosity, Stellar Magnitude

Scientific paper

A sample of 541 late-type southern spiral galaxies with B, R photometric data and H I radio data is used to conduct a test to determine the c(A) and c(L) coefficients, which correct the diameters and luminosities of galaxies for the luminosity effect. The results confirm both an increase in the galactic diameter (c(L) is approximately equal to 0.2) and significant internal absorption (about 1.1 mag) in the galaxy due to the inclination effect (isophote of 25 mag/sq arcsec in the B band). Consideration of the morphological membership of galaxies shows a certain dependence of absorption on galaxy type.

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