Instrument Information
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| IDENTIFIER |
urn:nasa:pds:context:instrument:kpno.boller1m3.kpsc::1.1
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| NAME |
KPNO Single Channel Polarimeter
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| TYPE |
Polarimeter
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| DESCRIPTION |
The Single-channel Polarimeter, operational since August 1969 at the Kitt Peak 36- and 50-inch telescopes, features a rapidly rotating polarizer and employs a star-chopping technique to manage sky brightness. Its design, inspired by a device from the Crimean Astrophysical Observatory, includes a moveable filter, a Lyot depolarizer, and a CuSO4-5H2O crystal to eliminate red leaks. The observing process involves switching the star between two diaphragms to mitigate beam differences, with an oscilloscope aiding in data collection. Further details and a schematic can be found in Dyck and Sandford (1971).
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| MODEL IDENTIFIER |
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| NAIF INSTRUMENT IDENTIFIER |
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| REFERENCES |
Dyck, H.M and M.T. Sandford II, Multicolor polarimetry of some Mira variables,Astronomical Journal 76, 43-49, 1971.
Shakhovskoy, N.M. and N.A. Dymov, Publ. Crimean Astrophys. Obs. 27, 291, 1962.
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