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| in 30m observations with XPOL has been determined through several methods. They are described in [[attachment:stokesVweb.ps| this short note.]] |
Polarimetry at the 30m telescope
Documents
- XPOL—the Correlation Polarimeter at the IRAM 30-m Telescope
Thum et al. 2008, PASP, 120, 777
- Measurement of the Crab nebula polarization at 90 GHz as a calibrator for CMB experiments
- Polarimetry with EMIR/XPOL - commisioning report (August 2010)
Background material
- IAU definition of Stokes Parameters
They are found here. Radioastronomy, including the 30m telescope, uses these definitions. Note however that according to this definition the sign of Stokes V is opposite to the convention in classical optics as described by Born & Wolf in "Classical Optics"
- The sign of Stokes V
in 30m observations with XPOL has been determined through several methods. They are described in this short note.