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Confrontation of Cosmological Theories with Observational Data (Paperback, Softcover reprint of the original 1st ed. 1974)
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Confrontation of Cosmological Theories with Observational Data (Paperback, Softcover reprint of the original 1st ed. 1974)
Series: International Astronomical Union Symposia, 63
Expected to ship within 10 - 15 working days
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be hoped. We have improved measurements by at best a factor of 3.
So thIS paper, unfortunately, IS really a status report rather than
a progress report. There are, however, a few new results to
mention. I shall present the results wIthout glVlng any detaIls of
the experImental apparatus. In general, sources of error and
problems in these measurements are not determined by the apparatus
itself. The most important new result IS that of Paul Henry (1971),
who employed a radiometer mounted on a rotatmg platform suspended
beneath a balloon. Because he employed a rotatmg platform he was
able to look for amsotropy over a WIde area area of the sky (about
one-half of the northern hemIsphere), not Just a CIrcle of con-
stant dechnatIOn. In a smgle mght, he was able to obtam enough data
to establIsh a value for the component of the 'dIpole' anisotropy
parallel to the spm aXIS of the Earth It IS LI T = (3. 2 +- 0 8) x
10-3 K in the direction (X = I Oh-ll hand () = - 30 . HIS results
are conSIstent WIth the earher results of Conkhn (1969), but
provIde the Im- portant addItIonal datum that the motion of the
Earth with respect to the co-movmg coordinate system (and parallel
to the spm aXIS of the Earth) IS small. MeanwhIle, Conklin refined
and repeated hIS earher measurement and reduced the statIstical
error. The results of his work are reported m the IAU Symp. 44
(1972).
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