Accession Number : AD0689860

Title :   CIRCULAR POLARIZATION MEASUREMENTS OF COMPACT RADIO SOURCES AT 1420 MHz. INTERFEROMETRIC OBSERVATIONS OF THE RADIO SOURCE VRO 42 22 01,

Corporate Author : CALIFORNIA INST OF TECH PASADENA OWENS VALLEY RADIO OBSERVATORY

Personal Author(s) : Seielstad,G. A. ; Yip,K. B.

Report Date : 1969

Pagination or Media Count : 19

Abstract : E CIRCULAR POLARIZATION OF SEVENTEEN SMALL-DIAMETER RADIO SOURCES HAS BEEN MEASURED AT A FREQUENCY OF 1420 MHz. None had detectable polarization, although for some sources independent measurements made at different frequencies agreed as to the sense of circular polarization. The position of VRO 42 22 01 has been measured to an accuracy of 2 in. Its diameter at 9.6 GHz is < 2 in. The flux density varies at frequencies of 1.420, 8.300 and 9.600 GHz. The source is only weakly linearly polarized at 8.3 and 9.6 GHz. Circular polarization has not been detected. (Author)

Descriptors :   (*EXTRATERRESTRIAL RADIO WAVES, POLARIZATION), RADIO ASTRONOMY, K BAND, X BAND, GALAXIES, RADIO INTERFEROMETERS

Subject Categories : Astrophysics

Distribution Statement : APPROVED FOR PUBLIC RELEASE