Comparison of Galactic magnetic field models to polarized synchrotron observations shows good agreement on angles but poor match on intensity, indicating local foreground structures must be incorporated.
A preliminary study on destriping techniques of PLANCK/LFI measurements versus observational strategy
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abstract
We present here the basic issues of our simulations of PLANCK/LFI observations focussing on the study of the stripes generated by the 1/f noise, including realistic estimates of the 1/f knee frequency, based on the Seiffert et al. (1997) study of the properties of the PLANCK/LFI radiometers. The destriping method presented in the report on the PLANCK PHASE A study has been implemented to be applied to different scanning strategies with the freedom of choosing more or less stringent crossing conditions. Numerical methods for saving the amount of required RAM in the solution of the destriping linear system are presented. We provide preliminary results of the efficiency of this destriping technique for different scanning strategies. We focus here on methodological aspects and remind the reader to the Maino et al. (1999) paper (astro-ph/9906010) for further analyses and a more complete discussion.
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A comparison between Galactic magnetic field models and polarized synchrotron emission with C-BASS at 4.76 GHz and S-PASS at 2.3 GHz
Comparison of Galactic magnetic field models to polarized synchrotron observations shows good agreement on angles but poor match on intensity, indicating local foreground structures must be incorporated.