The Extraordinary Abundances of QSO Broad Absorption Line Regions: A Matter of Novae?

Details The Extraordinary Abundances of QSO Broad Absorption Line Regions: A Matter of Novae? The Extraordinary Abundances of QSO Broad Absorption Line Regions: A Matter of Novae?

1996-02-23

arxiv.org/abs/astro-ph/9602126v1

Astronomy and Astrophysics

Astrophysics

9 pages including 1 Postscript figure. Uses aaspp4.sty and flushrt.sty. Uuencoded, gzipped tarfile. To appear in Astrophys. J.

Scientific paper

10.1086/310001

The broad absorption lines (BALs) of QSOs indicate abundances of heavy elements, relative to hydrogen, that are 1 to 2 orders of magnitude higher than the solar values. In at least one QSO, an especially large enhancement of phosphorus is observed. These abundances resemble those in Galactic novae, and this suggests that novae may produce the BAL gas. The needed rate of nova outbursts may come from single white dwarfs that accrete gas as they pass through a supermassive accretion disk around a central black hole.

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