We discussed the physical background of the unified scaling law in spiral galaxies,and qualitatively obtained the power index of the empirical relation among the luminosity L,radius R and the rotation velocity V.We al...We discussed the physical background of the unified scaling law in spiral galaxies,and qualitatively obtained the power index of the empirical relation among the luminosity L,radius R and the rotation velocity V.We also discussed the possible causes for the data dispersion on the plane in three-dimensional space of these parameters.展开更多
基金Supported by the National Natural Science Foundation of China,and the National Key Basic Research Science Foundation。
文摘We discussed the physical background of the unified scaling law in spiral galaxies,and qualitatively obtained the power index of the empirical relation among the luminosity L,radius R and the rotation velocity V.We also discussed the possible causes for the data dispersion on the plane in three-dimensional space of these parameters.
