The warping of disk galaxies. I - Theory

Details The warping of disk galaxies. I - Theory The warping of disk galaxies. I - Theory

Dec 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...263..639p&link_type=abstract

Astrophysical Journal, Part 1, vol. 263, Dec. 15, 1982, p. 639-653. Research supported by the Natural Sciences and Engineering

Astronomy and Astrophysics

Astrophysics

2

Astronomical Models, Disk Galaxies, Galactic Evolution, Galactic Structure, Spiral Galaxies, Andromeda Galaxy, Hydrogen, Neutral Gases, Warpage

Scientific paper

It is shown that if spiral galaxies formed with two inclined disks, warps in spiral galaxies are a natural result of the disks' interactions. The precession of gas clouds and their subsequent inelastic collisions determine the shape and extent of the warp. There is good agreement with the results of an analytic model and numerical experiments compared to the warps in the Galaxy and M31. A brief argument is given showing the plausibility of galaxies forming with two inclined disks.

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