Local Mass Density of Halo Stars

Details Local Mass Density of Halo Stars Local Mass Density of Halo Stars

Dec 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985jkas...18...70l&link_type=abstract

Journal of the Korean Astronomical Society, vol. 18, no. 2, P.70-78

Astronomy and Astrophysics

Astronomy

4

Scientific paper

From a kinematically unbiased sample of halo stars, the local mass density of halo dwarfs is estimated as 6.0 - 6.3×10-4m_sun;/pc3 by adopting a color-magnitude relation and a mass-luminosity relation. The derived halo mass density is not much different from the results of previous studies, which were derived from the kinematically biased sample of halo stars. Therefore it is confirmed that the local mass density of halo stars is far less than that required by Ostriker-Peebles to stabilize the galactic disk against barlike instabilities.

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