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| == Polarimetry at the 30m telescope == | = Polarimetry at the 30m telescope = |
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| === Documents === | == Documents == |
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| * [[attachment:wiesemeyer-2010-polarimetry-v3.pdf|Wiesemeyer, Thum 2010, IRAM Report]] | * XPOL—the Correlation Polarimeter at the IRAM 30-m Telescope [[attachment:thum_2008_xpol.pdf|Thum et al. 2008]], PASP, 120, 777 * Measurement of the Crab nebula polarization at 90 GHz as a calibrator for CMB experiments [[http://adsabs.harvard.edu/abs/2010A%26A...514A..70A|Aumont et al. 2010]] * Polarimetry with EMIR/XPOL - commisioning report (August 2010) [[attachment:wiesemeyer-2010-polarimetry-v3.pdf|Wiesemeyer & Thum 2010, IRAM Report]] == Background material == * IAU definition of Stokes Parameters [[attachment:IAUdefs.pdf|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 [[attachment:bornWolf.pdf|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 [[attachment:wpage.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.