Wavelength dependence of interstellar polarization and ratio of total to selective extinction

Authors:
  • KSK. Serkowski
    K. Serkowski
  • DMD. L. Mathewson
    D. L. Mathewson
  • VFV. L. Ford
    V. L. Ford
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Abstract
A multichannel polarimeter-photometer which uses dichroic filters to separate the (UBVR) spectral regions is described. The instrument was used with a 24-inch rotatable tube telescope for polarimetric observation of nearby stars. Polarization data for 364 nearby stars are tabulated, together with the wavelength dependence of linear and interstellar polarization.