Comparison of the quasar populations in two fields

Details Comparison of the quasar populations in two fields Comparison of the quasar populations in two fields

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.216..589h&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 216, Oct. 1, 1985, p. 589-598.

Astronomy and Astrophysics

Astronomy

6

Density Distribution, Quasars, Ultraviolet Astronomy, Background Radiation, Electronography, Magnitude, Microwaves

Scientific paper

Samples of quasars from two 18 square degree fields separated by 13 degrees are compared, to look for large-scale surface density fluctuations. The quasars were detected according to strictly similar criteria, on the basis of both variability and ultraviolet excess. No difference between the samples was found at the level of 6 per cent. This is consistent with current measurements of fluctuation in the microwave background and very much less than the large inhomogeneities recently reported by Arp on a scale of tens of degrees.

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