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Measurement of Galactic Logarithmic Spiral Arm Pitch Angle Using Two-Dimensional Fast Fourier Transform Decomposition
Galactic Logarithmic Spiral Arm Pitch Angle Two-Dimensional Fast Fourier Transform Decomposition
2012/2/23
A logarithmic spiral is a prominent feature appearing in a majority of observed galaxies. This feature has long been associated with the traditional Hubble classification scheme, but historical quotes...
Spiral Galaxies：Requirements for accurate Photometric Bulge/Disk Decomposition
Spiral Galaxies Disk Decomposition Photometric Bulge
2009/6/11
Spiral Galaxies：Requirements for accurate Photometric Bulge/Disk Decomposition。