Further evidence for a large central mass in M87

Details Further evidence for a large central mass in M87 Further evidence for a large central mass in M87

Aug 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.192p..41j&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 192, Aug. 1980, p. 41P-45P.

Astronomy and Astrophysics

Astronomy

4

Elliptical Galaxies, Galactic Nuclei, Forbidden Bands, Oxygen, Radial Velocity

Scientific paper

Observations of gas velocities and velocity dispersions, measured from the O II forbidden line at 3737 A blend in the nucleus of M87, are discussed. Long-slit spectroscopy with good spatial resolution shows a steep rise in the velocity dispersion of gas in the nucleus, which, if the material is gravitationally bound, implies a nuclear mass of approximately 10 to the 10th solar masses and a mass-to-light ratio of about 60 (in solar units).

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