SIMBAD references

1997A&A...321..129B - Astronomy and Astrophysics, volume 321129-133 (1997/5-1)

The absorbers towards Q0836+113.

BENITEZ N., MARTINEZ-GONZALEZ E., SANZ J.L., AGUIRRE A. and ALISES M.

Abstract (from CDS):

We have performed RIJHKS imaging of the field around the z=2.67 quasar Q0836+113, which presents several metal line and a damped Lyα absorption systems in its spectrum. The images reveal the existence of a red KS=18.9 object ≃ 11 " from the quasar. On the basis of the empirical relationships between absorption radius and luminosity we conclude that this object may be the CIV absorber at z=1.82. This could be the first detection of a high redshift galaxy causing high-ionisation absorption. After carefully subtracting the QSO, we do not detect, up to a 3σ limiting magnitude for extended objects of KS=20.8, the damped Lyα absorber apparently detected as a Lyα emitter at z=2.47. This imposes an upper limit on its Hα emission comparable to the results obtained spectroscopically by Hu et al. (1993ApJ...419L..13H). It is also suggested, that object "SW" from Wolfe et al. (1992ApJ...385..151W) could be the galaxy responsible for the claimed MgII absorption at z=0.37.

Abstract Copyright: ∼

Journal keyword(s): galaxies: evolution - galaxies: halos - quasars: individual: Q0836+113 - quasars: absorption lines

Nomenclature: Table 1, Fig 1: WTL92] S N=1. [BMS97] NN N=5 among (Nos 6-22)

Simbad objects: 3

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