Redshifts of 10 quasar candidates in the field of the rich absorption line quasar QSO 0122-380

Details Redshifts of 10 quasar candidates in the field of the rich absorption line quasar QSO 0122-380 Redshifts of 10 quasar candidates in the field of the rich absorption line quasar QSO 0122-380

2000-05-04

arxiv.org/abs/astro-ph/0005088v1

Astronomy and Astrophysics

Astrophysics

Accepted for publication in A&A. 4 pages with 2 figures. Latex using Springer's A&A macros v4.05

Scientific paper

We have obtained low resolution (~20 Angstrom FWHM) slit spectra of 10 quasar candidates located within one degree of the z = 2.181 quasar Q0122-380 with the objective of searching for signs of large scale structure matching the intervening rich absorption complexes seen over the redshift range 1.81 1.8 show no obvious absorption matching that of Q0122-380 at our spectral resolution and signal-to-noise ratio. The third object at a redshift of z = 1.868 displays strong z_{abs} \sim z_{em} absorption systems at z = 1.84 and z = 1.86 and a possibly BAL-like trough at z = 1.76. If not intrinsic in nature, the former two systems could potentially be related to the absorption seen in Q0122-380, albeit over a distance of 50.2 arcmin (D_\perp \simeq 15 h^{-1} Mpc at z = 1.9).

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