Mathematics – Logic
Scientific paper
Mar 1973
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1973natur.242..108h&link_type=abstract
Nature, Volume 242, Issue 5393, pp. 108-109 (1973).
Mathematics
Logic
1
Scientific paper
SCHMIDT1 has objected to an argument given in my 1968 Bakerian Lecture2. Fig. 2 of Kellermann's recent Warner Prize Lecture3 shows combined differential source counts at 75, 20, 11 and 6 cm. The points show a Euclidean distribution for values of the integral count between ~ 10 and ~ 103 sources sr-1. Above 103 sources sr-1 the counts deviate from a Euclidean distribution in the way that is expected for cosmologically distant objects, but for less than 10 sources sr-1 the counts deviate from Euclidean in a reversed sense. This so-called ``steep'' part of the distribution therefore involves only ~ 100 sources over the whole sky. The point from my Bakerian Lecture, now under criticism, was that the latter deviation can be regarded as a local fluctuation in which ~ 5 nearby sources sr-1 are considered to be missing at the high flux end of the source distribution. The data from four surveys, given in the reference cited above, strongly support this position.
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