Non-steady state line locking in broad absorption line quasi-stellar objects

Details Non-steady state line locking in broad absorption line quasi-stellar objects Non-steady state line locking in broad absorption line quasi-stellar objects

Jul 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...342..100b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 342, July 1, 1989, p. 100-104.

Statistics

Computation

14

Absorption Spectra, Computational Astrophysics, Quasars, Radiative Transfer, Cosmic Gases, Gravitational Effects, Luminosity, Radiation Pressure, Spectral Line Width

Scientific paper

A nonsteady state model for absorption-absorption line locking in broad absorption line quasars is discussed in which an approximate balance between the forces is not required. It is assumed that locking is on velocity differences, not on absolute velocities relative to the central source. The locking occurs between two gas elements neither of which is at a constant velocity, and it is only the relative velocity between the two that remains constant and equal to the doublet velocity. This picture can work equally well for decelerating gas and can also work for objects which exhibit large luminosity fluctuations.

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