Mass Decomposition of Spiral Galaxies from Disc Kinematics

Details Mass Decomposition of Spiral Galaxies from Disc Kinematics Mass Decomposition of Spiral Galaxies from Disc Kinematics

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.245..577p&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 245, NO.4/AUG15, P. 577, 1990

Astronomy and Astrophysics

Astronomy

76

Scientific paper

We devise a method for the disc/halo mass decomposition of the rotation curves of spiral galaxies that was outlined by us in a previous paper. Upon application to a larger sample of 58 spirals, we confirm our earlier results. In particular, we find that the disc-to-halo mass ratio at the optical radius, M_disc_/M_halo_, is a strong function of luminosity, M_disc_/M_halo_ is proportional to L^2/3^_B_.

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