The study of Galactic rotation using the maximum likelihood method

Details The study of Galactic rotation using the maximum likelihood method The study of Galactic rotation using the maximum likelihood method

Aug 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987kfnt....3...19p&link_type=abstract

Kinematika i Fizika Nebesnykh Tel (ISSN 0233-7665), vol. 3, July-Aug. 1987, p. 19-25. In Russian.

Physics

4

Galactic Rotation, Hydrogen Clouds, Kinematics, Milky Way Galaxy, Centimeter Waves, H Lines, Maximum Likelihood Estimates, Neutral Gases

Scientific paper

The maximum likelihood method is used to determine the kinematic characteristics of the neutral hydrogen subsystem in the Galaxy along the entire 21-cm line profile. Attention is given to the Galactic plane region as well as those beyond it. Rotation curve calculations for the outer region of the Galactic plane (z = 0, R is greater than R0) do not reveal maxima up to a distance of 20 kpc from the Galactic center. The results indicate an increase in the linear velocity with distance from the Galactic center up to R = 2R sub 0.

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