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Proceedings Paper

Spectropolarimetry with the SALT RSS
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Paper Abstract

The large (~10 m) aperture of the Southern African Large Telescope (SALT) coupled with the unique capabilities of the Robert Stobie Spectrograph (RSS), promises unparalleled prospects for polarimetric observations on an 8 - 10 m class telescope. RSS is a highly versatile first-generation instrument of the SALT. Results from some of the first commissioning observations with the RSS are presented. A method for reducing SALT RSS spectropolarimetry data is proposed and verified on observations of unpolarised and polarised standard stars. The results provide estimates of telescope and instrumental polarisation as well as a calibration of the instrument's polarimetric position angle offset.

Paper Details

Date Published: 15 July 2010
PDF: 12 pages
Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 773517 (15 July 2010); doi: 10.1117/12.856932
Show Author Affiliations
Janus D. Brink, South African Astronomical Observatory (South Africa)
Southern African Large Telescope (South Africa)
David A. H. Buckley, South African Astronomical Observatory (South Africa)
Southern African Large Telescope (South Africa)
Kenneth H. Nordsieck, Univ. of Wisconsin-Madison (United States)
Stephen B. Potter, South African Astronomical Observatory (South Africa)


Published in SPIE Proceedings Vol. 7735:
Ground-based and Airborne Instrumentation for Astronomy III
Ian S. McLean; Suzanne K. Ramsay; Hideki Takami, Editor(s)

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