Polarimetric Observations of the Crab Pulsar in the UV Repeat for Hopr 149

Details Polarimetric Observations of the Crab Pulsar in the UV Repeat for Hopr 149 Polarimetric Observations of the Crab Pulsar in the UV Repeat for Hopr 149

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993hst..prop.5327g&link_type=abstract

HST Proposal ID #5327

Physics

Hst Proposal Id #5327

Scientific paper

The UV polarization of the Crab Pulsar (PSR0531+21) will be observed as a function of pulse phase in order to determine the sweep of position angle across the pulse and the associated variation in percentage polarisation. These observations will test the predictions of the geometrical model of pulsed radiation from the Crab Pulsar. According to the model, the optical and radio emission from the pulsar originate in different regions of the pulsar magnetosphere. The optical emission is part of a continuum which extends without a break from infrared to gamma-rays. The pulse profile and polarisation should be similar over this entire wavelength range because they are determined entirely by the geometry of the emitting region. These observations offer the only known method of determining the geometry of the emitting region.

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