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The William Herschel Telescope building

PlanetPol is a ground based, high sensitivity polarimeter based at the William Herschel Telescope.[1] Although the device can be used for a wide range of astronomy, its primary use is the detection of extrasolar planets.[1]


Currently, PlanetPol has not discovered any extrasolar planets.


  1. ^ a b Hough, J. H.; Lucas, P. W.; Bailey, J. A.; Tamura, M. et al. (2006-09-01). "PlanetPol: A Very High Sensitivity Polarimeter". The Publications of the Astronomical Society of the Pacific 118 (847): 1302–1318. Bibcode:2006PASP..118.1302H. doi:10.1086/507955. Retrieved 2012-01-22.