Peculiar configurations of quasars in two adjacent areas of the sky

Details Peculiar configurations of quasars in two adjacent areas of the sky Peculiar configurations of quasars in two adjacent areas of the sky

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...240..726a&link_type=abstract

Astrophysical Journal, Part 1, vol. 240, Sept. 15, 1980, p. 726-736.

Astronomy and Astrophysics

Astrophysics

55

Astrophysics, Quasars, Star Distribution, Galaxies, Red Shift, Telescopes

Scientific paper

Two areas with unusual groupings of quasars were found on a U.K. Schmidt objective prism plate. The closeness of the grouping and four redshifts in one area show that these quasars are associated physically; however, the dispersion in redshifts is too large to have been caused by velocity dispersion in a conventional galaxy cluster. The second area contains two separate triples of quasars; each triplet has a very bright quasar at the center and two fainter quasars are aligned on a straight line on either side. The redshift of the central quasar is z = 0.54 for the first area, and z = 0.51 for the second area; the possibility of these configurations being accidental is very small.

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