Gravitational redshifts in Seyfert 1 galaxies

Details Gravitational redshifts in Seyfert 1 galaxies Gravitational redshifts in Seyfert 1 galaxies

May 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...246...13a&link_type=abstract

Astrophysical Journal, Part 1, vol. 246, May 15, 1981, p. 13-19.

Astronomy and Astrophysics

Astrophysics

5

Galactic Nuclei, Gravitational Collapse, Red Shift, Seyfert Galaxies, Spectral Line Width, Emission Spectra, Line Spectra, Radial Velocity, Spectrum Analysis, Velocity Distribution

Scientific paper

Observational evidence suggests that the broad-line profiles of Seyfert 1 nuclei result from radial motions within a spherically symmetric configuration. It is not clear whether these motions are inward or outward. If the speed of the material increases with distance from the nuclear center, the observed profile asymmetries are probably dominated by absorption or scattering effects. If the speed increases inward, gravitational redshifts might play an important role in the production of these asymmetries. Under certain circumstances the nuclear velocity field can be derived from observed profiles.

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