Mass of our Galaxy as determined from tidal radii of globular clusters and dwarf spheroidal galaxies

Details Mass of our Galaxy as determined from tidal radii of globular clusters and dwarf spheroidal galaxies Mass of our Galaxy as determined from tidal radii of globular clusters and dwarf spheroidal galaxies

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981pasp...93..707w&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 93, Dec. 1981, p. 707-711.

Astronomy and Astrophysics

Astronomy

11

Density Measurement, Galactic Structure, Globular Clusters, Mass, Milky Way Galaxy, Tides, Angular Velocity, Astronomical Models, Eccentric Orbits, Orbit Calculation, Rotating Bodies

Scientific paper

It is shown that the mean mass density of the earth Galaxy can be expressed by only the tidal radii and the masses of globulars and dwarf spheroidals. The mean mass density law is determined as a function of radius, and used to estimate the mass of the Galaxy. Evidence is also obtained against the existence of a massive halo in the Galaxy, provided the boundaries of globulars and dwarf spheroidals are tidally limited.

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