Wavelet Analysis of Galactic Rotation Curves

Details Wavelet Analysis of Galactic Rotation Curves Wavelet Analysis of Galactic Rotation Curves

2011-04-28

arxiv.org/abs/1105.1070v1

Physics

General Physics

13 pages, 1fig, 1 table, Annexes 73 fig

Scientific paper

The spatial wavelet spectra of 73 published spiral galaxies's rotation curves are computed and their associated scaleograms are presented. Scaleograms are used to detect and isolate local features observed in spiral galaxies's rotation curves. Although wiggles and bumps are usually interpreted as signs of recent and on-going merging, the analysis of the scaleograms reveals regular patterns consistent with the presence of large-scale modes throughout the disk.

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