The radial velocity field of the Milky Way outside the galactic plane

Details The radial velocity field of the Milky Way outside the galactic plane The radial velocity field of the Milky Way outside the galactic plane

Jul 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...111..255f&link_type=abstract

Astronomy and Astrophysics, vol. 111, no. 2, July 1982, p. 255-259.

Astronomy and Astrophysics

Astrophysics

4

Astronomical Models, Galactic Rotation, Magellanic Clouds, Milky Way Galaxy, Radial Velocity, Velocity Distribution, Absorption Spectra, Coronas, Line Spectra, Orbit Calculation, Ultraviolet Spectra

Scientific paper

The new mass model of the Galaxy including a massive galactic halo, is used to compute radial velocities for a complete set of (l,b) values. Both a corotating and a differentially rotating corona are treated. Cases of extreme orbits are discussed, and the upper and lower bounds of the line-of-sight velocities are shown. Some consequences of the galactic fountain model are compared with the orbit computations. The predictions of the fountain model are well incorporated in the frame of the new mass model. The radial velocities of interstellar ultraviolet absorption lines in the spectra of Magellanic Cloud stars are used to estimate new distances for the corona clouds.

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