next up previous 277
Next: Single-beam Polarimetry
Up: The Data Reduction
Previous: Calculation of the Degree and Orientation of the Polarization

Display of the Final Polarization Data

The final polarization parameters are usually presented graphically in the form of a polarization map (see the first page of this document for an example). Each measurement is represented as a vector parallel to the plane of polarization. The length of the vector is proportional to the degree of polarization, which varies from 0% to 100%. The Stokes vectors can be binned to reduce the number of vectors in the map to a manageable number. The map is often overlayed on a total intensity image or contour map of the object to emphasize any correlation between the visual appearance of the object and the morphology of the polarization map.

next up previous 277
Next: Single-beam Polarimetry
Up: The Data Reduction
Previous: Calculation of the Degree and Orientation of the Polarization

POLPACK
Starlink User Note 223
D.S. Berry & T.M. Gledhill
26th February 2003
E-mail:ussc@star.rl.ac.uk

Copyright © 2008 Science and Technology Facilities Council