HS 1603+3820: a bright z(em)=2.51 quasar with a very rich heavy element absorption spectrum

Details HS 1603+3820: a bright z(em)=2.51 quasar with a very rich heavy element absorption spectrum HS 1603+3820: a bright z(em)=2.51 quasar with a very rich heavy element absorption spectrum

1999-08-12

arxiv.org/abs/astro-ph/9908134v1

Astron.Astrophys.349:L29,1999

Astronomy and Astrophysics

Astrophysics

5 pages (including 4 figures), Astronomy and Astrophysics Letters, in press

Scientific paper

During the course of Hamburg/CfA Bright Quasar Survey we discovered a bright (B=15.9), high redshift (z=2.51) quasar HS 1603+3820. The quasar has a rich complex of CIV absorbers, containing at least five systems, all within 3000 km/s from one another. Despite large ejection velocity (v(ej)>5000 km/s for all components) the complex is likely to be associated with the quasar. There are at least three more associated heavy element absorbers, two of which have z(abs)>z(em). Together, they make one of the richest known complexes of associated heavy element absorbers, and the richest in objects with B<16. The combination of redshift, brightness, richness of the metal absorption spectrum and richness of the associated absorption is unmatched among known quasars.

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