Figure 15. Faced-on spiral patterns of 12 selected spiral galaxies fitted by the galactic spiral equation (5) without Euler rotation. All parameters for the fitting are listed in the reference (Pan 2021). a: J101652.52; b: NGC 1300, c: Milky Way; d: NGC 6093; e: M51; f: MCG+00-04-051; g: CGCG-119-82; h: ESO-325-28; i: NGC 7098; j: UGC 12646; k: J015701.50-001644.4; l: NGC 1079

From

How Long Can the Spiral Arms of Disc Galaxies Be Optically Observed?

Hongjun Pan

International Journal of Physics. 2024, 12(5), 212-224 doi:10.12691/ijp-12-5-4