An MHD-driven Disk Wind Outflow in SDSS J0300+0048?

Details An MHD-driven Disk Wind Outflow in SDSS J0300+0048? An MHD-driven Disk Wind Outflow in SDSS J0300+0048?

2003-11-25

arxiv.org/abs/astro-ph/0311561v1

Astronomy and Astrophysics

Astrophysics

to appear in AGN Physics with the Sloan Digital Sky Survey, ed. G. T. Richards and P. B. Hall

Scientific paper

The outflow in SDSS J030000.56+004828.0 has the highest low-ionization metal-line column density yet reported for a broad absorption line quasar. The absorption from different ions is also segregated as a function of velocity in a way that can only be explained by a disk wind outflow. Furthermore, the presence of the such large column densities of gas at the high observed outflow velocities may be incompatible with purely radiative acceleration. MHD contributions to the acceleration should be considered seriously.

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