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Correlation between the physical parameters and morphological type of spiral galaxies

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From PDS scans of the late-type spiral galaxies NGC 1313, 1365, 6946, and 7793, we determine the surface brightness distributions. These distributions enable us to calculate physical parameters such asR e * , μ e , α-1 D/B,C 21, andM/L. The values of some of these parameters were also compiled from other studies, and all were compared with morphological typeT. One of the meaningful results shows that there is a certain correlation betweenD/B andT, which is constant untilT<-1 or 2, and then increases sharply forT>-1 or 2. This may support the validity of the intrinsic formation theory.

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Kim, S., Chun, M. Correlation between the physical parameters and morphological type of spiral galaxies. Astrophys Space Sci 119, 195–197 (1986). https://doi.org/10.1007/BF00648845

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  • Physical Parameter
  • Formation Theory
  • Morphological Type
  • Meaningful Result
  • Spiral Galaxy