Decrease in the bulg/disk ratio along the Hubble sequence (adapted from Simien & deVaucouleurs 1986 ApJ 302, 564.)
Increase in spiral arm opening angle along the Hubble sequence (taken from Kennicutt 1981 AJ 86 1847)
Trends along the Hubble Sequence |
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Decrease in the bulg/disk ratio along the Hubble sequence (adapted from Simien & deVaucouleurs 1986 ApJ 302, 564.) |
Increase in spiral arm opening angle along the Hubble sequence (taken from Kennicutt 1981 AJ 86 1847) |