scholarly journals Linear polarization measurements of extragalactic radio sources at λ6.3 cm

1999 ◽  
Vol 135 (3) ◽  
pp. 571-577 ◽  
Author(s):  
E. L.H. Zukowski ◽  
P. P. Kronberg ◽  
T. Forkert ◽  
R. Wielebinski
Keyword(s):  
Linear Polarization ◽  
Radio Sources ◽  
Extragalactic Radio Sources ◽  
Polarization Measurements

Linear Polarization Measurements of Radio Sources at 18-CM Wavelength.

1964 ◽  
Vol 139 ◽  
pp. 758 ◽  
Author(s):  
D. Morris ◽  
V. Radhakrishnan ◽  
G. A. Seielstad
Keyword(s):  
Linear Polarization ◽  
Radio Sources ◽  
Polarization Measurements

scholarly journals The Linear Polarization of Extragalactic Radio Sources at Milliarcsecond Resolution

1988 ◽  
Vol 129 ◽  
pp. 143-152
Author(s):  
J. F. C. Wardle ◽  
D. H. Roberts
Keyword(s):  
Linear Polarization ◽  
Radio Sources ◽  
Extragalactic Radio Sources ◽  
Vlbi Observations

We review the polarization sensitive VLBI observations of compact extragalactic radio sources that have been made to date, and discuss some preliminary physical results suggested by the data.

scholarly journals A new look at the galactic magnetic field

1979 ◽  
Vol 84 ◽  
pp. 317-319
Author(s):  
P. P. Kronberg ◽  
M. Simard-Normandin
Keyword(s):  
Magnetic Field ◽  
Faraday Rotation ◽  
Linear Polarization ◽  
Radio Sources ◽  
Galactic Magnetic Field ◽  
Equal Area ◽  
Large Sample ◽  
Extragalactic Radio Sources ◽  
First Order ◽  
New Look

We have measured the linear polarization of a new large sample of extragalactic radio sources, and by combining these with polarization values already in the literature, we have been able to compute a large number of rotation measures, with improved quality. We have also investigated the depolarization properties of these sources and as a result have been able to identify most sources with a large internally generated Faraday rotation. Figure 1 shows the rotation measures of 475 extragalactic radio sources on an equal-area projection, after “cleaning out” the extragalactic effects to first order.

scholarly journals Planck on Extragalactic Radio Sources: Data and Findings

2015 ◽  
Vol 11 (A29B) ◽  
pp. 51-53
Author(s):  
Bruce Partridge ◽  
Keyword(s):  
Radio Sources ◽  
Data Set ◽  
Valuable Data ◽  
Frequency Bands ◽  
Extragalactic Radio Sources ◽  
Polarization Measurements ◽  
Upper Limits

AbstractPlanck scanned the entire sky every six months at nine frequencies bands from 28 to 857 GHz with enough sensitivity to detect over a thousand radio sources. It thus provided measurements of the mm and sub-mm spectra of these sources in a regular cadence, even at wavelengths hard to observe from the ground. Polarization measurements (or upper limits) are provided for brighter sources at 28-353 GHz. Finally, Planck is calibrated to <1% accuracy in most of its frequency bands. I briefly introduce the valuable data set Planck provides on extragalactic sources, then describe some of the scientific conclusions drawn from the Planck measurements.

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