On the Density within the Dark-Matter Core in Our Galaxy

Details On the Density within the Dark-Matter Core in Our Galaxy On the Density within the Dark-Matter Core in Our Galaxy

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007seraj.175...19n&link_type=abstract

Serbian Astronomical Journal, vol. 175, p. 19-23

Astronomy and Astrophysics

Astronomy

1

Solar Neighbourhood, Dark Matter

Scientific paper

Assuming that the disc of our Galaxy, the Milky Way, obeys the classical exponential law, that it is maximal and the Sun is rather far from the maximum of its circular velocity, one finds that, most likely, the galactic corona (subsystem containing the dark matter) has a nearly constant density within its core which contains the position of the Sun. The approach applied in the present paper is local, i.e. quantities characterizing the solar neighbourhood are treated. The assumptions and the result could explain why the ratio of the moduli of the Oort constants is expected to exceed the value of 1.0 which corresponds to the locally flat rotation curve of the Milky Way.

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