Observations of 10 faint quasar candidates in the field of the Tololo 1037-2703/1038 - 2712 quasar pair

Details Observations of 10 faint quasar candidates in the field of the Tololo 1037-2703/1038 - 2712 quasar pair Observations of 10 faint quasar candidates in the field of the Tololo 1037-2703/1038 - 2712 quasar pair

Jun 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992apj...392..432j&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 392, no. 2, June 20, 1992, p. 432-441.

Astronomy and Astrophysics

Astrophysics

23

Astronomical Maps, Galactic Clusters, Quasars, Red Shift, Absorption Spectra, Carbon, Line Spectra

Scientific paper

Low-resolution slit spectra of 10 faint quasar candidates within the Bohuski and Weedman survey field containing the Tololo 1037 - 2703/1038 - 2712 wide quasar pair are presented. It is confirmed that nine of these candidates are quasars or active galaxies with redshifts in the range 0.171-2.55. Exploratory higher-resolution spectra of four objects whose redshifts place them behind or in the vicinity of the strong correlated absorption seen in the range 1.90-2.15 in the Tol 1037 - 2703/1038 - 2712 pair are presented. One object, BW18, has a redshift of 2.549 and is located only 3.0 arcmin from Tol 1038 - 2712 and 2.8 arcmin from the nearby 1.91-redshift quasar BW23. A 3D map of the spatial location of the 13 quasars and the 21 C IV absorption systems at z of 1.5 detected to date in the Bohuski and Weedman field is presented, and the hypothesis that an intervening supercluster is reponsible for the various redshift matches seen in the field is discussed.

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