A test of the tidal hypothesis for the origin of galactic angular momentum

Details A test of the tidal hypothesis for the origin of galactic angular momentum A test of the tidal hypothesis for the origin of galactic angular momentum

Apr 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mnras.187..287s&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 187, Apr. 1979, p. 287-291.

Astronomy and Astrophysics

Astronomy

25

Angular Momentum, Cosmology, Galactic Evolution, Galactic Rotation, Tides, Spin

Scientific paper

The hypothesis that the spin angular momentum of each galaxy in a binary results primarily from tidal interaction with its companion during galaxy formation is shown to imply a non-random distribution of the angle between the major axes of the images of disk galaxies in pairs. The observed distribution of this angle is inconsistent with the tidal hypothesis, and is consistent with a complete lack of correlation between the spins. When a stronger criterion for isolation is adopted, the results are still inconsistent with the tidal hypothesis, with reduced significance level.

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