Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...222...45f&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 222, no. 1-2, Sept. 1989, p. 45-48.
Astronomy and Astrophysics
Astronomy
12
Galactic Clusters, Gravitational Lenses, Quasars, Radio Sources (Astronomy), Statistical Analysis, Radio Galaxies, Radio Spectra
Scientific paper
A new statistical analysis of the data presented by Fugmann (1988) indicating that the association of the nearest neighboring galaxies with distant flat-spectrum radio quasars is significant at the 97.5 percent level. The distribution of nearest-neighbor distances is consistent with model calculations of gravitational microlensing, although very small angular distances may be systematically depleted. The overdensity of galaxies near the radio-selected flat-spectrum quasars of this sample seems to exceed that implied by the results of Webster et al. (1988) for a sample of optically selected QSOs.
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