The overall distribution of mass in our Galaxy

Details The overall distribution of mass in our Galaxy The overall distribution of mass in our Galaxy

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....90..215m&link_type=abstract

Astronomy and Astrophysics, vol. 90, no. 3, Oct. 1980, p. 215-223.

Astronomy and Astrophysics

Astrophysics

29

Galactic Structure, Globular Clusters, Mass Distribution, Milky Way Galaxy, Astronomical Models, Galactic Clusters, Galactic Rotation, Gravitational Fields, Orbital Mechanics

Scientific paper

Motions of 81 globular clusters and five members of a local group of galaxies were determined to survey the mass distribution of our galaxy. Two extreme space velocities of the satellites in three gravitational fields of possible galactic models were examined with solar masses ranging from 2.7 x 10 to the 11th to 9.4 x 10 to the 11th. One model showed a large amount of the satellite overflow; the vessel defined by the second model was filled up favorably by almost all satellites, while the third model vessel volume did not bind all of the satellites. It was concluded that one model provides a plausible description of the overall mass distribution in the galaxy, while the model with a massive halo appears to be a formal compromise for binding all the galactic satellites.

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