Quasar clustering on large scales

Details Quasar clustering on large scales Quasar clustering on large scales

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.235.1111d&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 235, Dec. 15, 1988, p. 1111-1120.

Astronomy and Astrophysics

Astronomy

9

Galactic Clusters, Galactic Structure, Quasars, Astronomical Spectroscopy, Red Shift, Spatial Distribution, Statistical Tests

Scientific paper

The large scale (10 - 100 h-1Mpc) distribution of high-redshift (1.8 < z < 2.6) quasars has been measured using a new quasar survey. Six UK Schmidt objective prism plates (≡200 deg2) have been searched for emission-line quasars using automated techniques. A total of 862 quasars was found to a mean limiting magnitude of BJ ≡ 20 and equivalent widths ≥100 Å. The line identifications are 90 per cent reliable and the redshift accuracy is Δzrms = ±0.018. Statistical analysis of the survey revealed no evidence for clustering on scales of 10 - 100 h-1Mpc. The measurements were used to place an upper limit on any clustering present by comparison with simulations of clustered populations.

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