Discovery of a new gravitationally lensed QSO with broad absorption lines.

Details Discovery of a new gravitationally lensed QSO with broad absorption lines. Discovery of a new gravitationally lensed QSO with broad absorption lines.

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...315l.405w&link_type=abstract

Astronomy and Astrophysics, v.315, p.405-408

Astronomy and Astrophysics

Astrophysics

26

Quasars: Individual: He 2149-2745, Quasars: General, Gravitational Lensing

Scientific paper

We announce the discovery of a new bright gravitionally lensed QSO, HE 2149-2745. The object at z=2.033 presents two images separated by 1.7", with B magnitudes 17.3 and 19.0, respectively. Their spectra look identical within the measurement errors; in particular, both components display indistinguishable P Cygni-type emission/absorption complexes. Near to the line of sight to the brighter component, an extended source with R~19.8 is detected which could be responsible for the lensing. If it is a luminous galaxy (L~L*), we infer a probable redshift range of ~0.2-0.5.

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