More low-redshift broad absorption line QSOs

Details More low-redshift broad absorption line QSOs More low-redshift broad absorption line QSOs

Nov 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986apj...310l...1t&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 310, Nov. 1, 1986, p. L1-L6.

Astronomy and Astrophysics

Astrophysics

23

Absorption Spectra, Quasars, Red Shift, Electron Density (Concentration), Iue, Line Spectra, Ultraviolet Spectra

Scientific paper

The discovery of two new broad absorption line (BAL) QSOs with emission redshifts of 1.024 and 0.129 is reported. The discovery of the two new low-redshift BAL QSOs strengthens the evidence that the fraction of QSOs with BALs at low redshifts is similar to the 3-10-percent fraction found at higher redshifts. In particular, the analysis suggests that the fraction of luminous QSOs with BALs lies in the range f = 0.07-0.21 and that there is a significant deficit of BALs among objects with B magnitudes greater than -23.5 (e.g., Seyfert 1 type objects). Ultraviolet and optical spectra of the two objects covering 1200-5900 A are presented.

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