Towards a physical model for galactic rotation curves

Details Towards a physical model for galactic rotation curves Towards a physical model for galactic rotation curves

Mar 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986japa....7...17c&link_type=abstract

Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 7, March 1986, p. 17-28.

Astronomy and Astrophysics

Astrophysics

3

Astronomical Models, Galactic Rotation, Spiral Galaxies, Curves, Gas Dynamics, Luminosity, Missing Mass (Astrophysics), Neutrinos

Scientific paper

Extensive and meticulous observations of the rotation curves of galaxies show that they are either flat or gently going up, but rarely decreasing, at large galactocentric distances. Here the authors show that the gravitational potential which would lead to such rotation curves arises naturally when the visible matter modelled as a collisionless Maxwellian gas is embedded in a dark halo of collisionless particles with a much higher dispersion in velocities.

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