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GMIMS: The Global Magneto-Ionic Medium Survey
M. Wolleben, T. L. Landecker, E. Carretti +10
The Global Magneto-Ionic Medium Survey (GMIMS) is a project to map the diffuse polarized emission over the entire sky, Northern and Southern hemispheres, from 300 MHz to 1.8 GHz. W…
High-resolution radio continuum survey of M33: III. Magnetic fields
F. S. Tabatabaei, M. Krause, A. Fletcher +1
Using the linearly polarized intensity and polarization angle data at 3.6, 6.2 and 20 cm, we determine variations of Faraday rotation and depolarization across the nearby galaxy M3…
Analysis of spiral arms using anisotropic wavelets: gas, dust and magnetic fields in M51
I. Patrikeev, A. Fletcher, R. Stepanov +4
We have developed a technique of isolating elongated structures in galactic images, such as spiral arms, using anisotropic wavelets and apply this to maps of the CO, infrared and r…
Canals in Milky Way radio polarization maps
Andrew Fletcher, Anvar Shukurov
Narrow depolarized canals are common in maps of the polarized synchrotron emission of the Milky Way. Two physical effects that can produce these canals have been identified: the pr…
Multi-colour optical monitoring of eight red blazars
Minfeng Gu, C. -U. Lee, Soojong Pak +2
We present the observational results of multi-colour optical monitoring of eight red blazars from 2003 September to 2004 February. The aim of our monitoring is to investigate the s…
Depolarization canals and interstellar turbulence
Andrew Fletcher, Anvar Shukurov
Recent radio polarization observations have revealed a plethora of unexpected features in the polarized Galactic radio background that arise from propagation effects in the random…