A 100-200 MPC group of quasars

Details A 100-200 MPC group of quasars A 100-200 MPC group of quasars

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.249..218c&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 249, March 15, 1991, p. 218-226. Research supported by

Mathematics

Logic

59

Galactic Clusters, Quasars, Charge Coupled Devices, Red Shift

Scientific paper

Evidence was found for a large, elongated group of at least 10 quasars with largest dimension of 100-200/h Mpc at z = 1.3 in the direction of the ESO/SERC field 927. The morphology of the group appears to be like a clump, but there might be some subgrouping on scales of about 20/h Mpc. The group is similar in size and number of quasars to that found by Crampton et al. (1989). It is suggested that the fact that two such groups have been found is evidence that the quasar distribution is not so sinmple as was previously thought; at large scales (greater than about 10/h Mpc) the majority of quasars may be distributed uniformly and at random, but rare, large groups also occur.

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