On the origin of the radio, optical emission-line, and X-ray structure of M87

Details On the origin of the radio, optical emission-line, and X-ray structure of M87 On the origin of the radio, optical emission-line, and X-ray structure of M87

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...242..511d&link_type=abstract

Astrophysical Journal, Part 1, vol. 242, Dec. 1, 1980, p. 511-516.

Astronomy and Astrophysics

Astronomy

24

Elliptical Galaxies, Extragalactic Radio Sources, Galactic Radiation, Galactic Structure, Optical Emission Spectroscopy, Radiation Distribution, X Ray Astronomy, Astronomical Maps, Astronomical Models, Galactic Radio Waves, Relief Maps

Scientific paper

The X-ray emission from M87 is quite symmetric about the center of the galaxy, but both the optical emission-line data and the radio emission show a marked north-south asymmetry. Neither transonic head-tail radio source dynamics nor inhomogeneous accretion or outflow can account for these observations. It is found that they can be reconciled by a model which couples radiative accretion with very slow (200 km/s) subsonic motion of M87 to the north.

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