The luminosity cusp at the center of M87 and the dynamics of the central regions of elliptical galaxies

Details The luminosity cusp at the center of M87 and the dynamics of the central regions of elliptical galaxies The luminosity cusp at the center of M87 and the dynamics of the central regions of elliptical galaxies

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980pazh....6..136g&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 6, Mar. 1980, p. 136-140.) Soviet Astronomy Letters, vol. 6, Mar.-Apr. 1980, p. 75-77.

Astronomy and Astrophysics

Astronomy

Astronomical Models, Elliptical Galaxies, Galactic Nuclei, Stellar Luminosity, Stellar Motions, Black Holes (Astronomy), Brightness, Galactic Evolution, Star Distribution

Scientific paper

The theoretical models that attempt to explain the luminosity cusp at the center of M87 by the existence of a supermassive black hole there are shown to be inherently contradictory. A dense kernel of stars inside the central core of the galaxy would fit the photometry better. Calculations are performed, with King's isothermal model generalized by introducing a nonzero radius to allow for the stellar kernel.

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