QSOs near PKS 0237-233 - A search for evidence of a supercluster at Z = 1.65

Details QSOs near PKS 0237-233 - A search for evidence of a supercluster at Z = 1.65 QSOs near PKS 0237-233 - A search for evidence of a supercluster at Z = 1.65

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aj....105...22f&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 105, no. 1, p. 22-29.

Astronomy and Astrophysics

Astronomy

23

Galactic Clusters, Galactic Evolution, Heavy Elements, Intergalactic Media, Quasars, Red Shift, Absorption Spectra, High Resolution, Line Of Sight

Scientific paper

The 'absorption supercluster' inferred from the presence of a large number of C IV absorption systems at z near 1.65 in the spectrum of QSO PKS 0237-233 prompts the present search for high-redshift QSOs that can provide background sources against which absorption can be seen. Preliminary high-resolution spectra of five of 32 objects within 2 deg of PKS 0237-233 are presented. The C IV absorption systems are seen in the spectrum of one QSO, tentatively supporting the absorption supercluster's interpretation as a real spatial overdensity of absorption clouds whose transverse size is comparable to its extent along the line of sight.

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