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Proceedings Paper

PySALT: the SALT science pipeline
Author(s): Steven M. Crawford; Martin Still; Pim Schellart; Luis Balona; David A. H. Buckley; Garith Dugmore; Amanda A. S. Gulbis; Alexei Kniazev; Marissa Kotze; Nicola Loaring; Kenneth H. Nordsieck; Timothy E. Pickering; Stephen Potter; Encarni Romero Colmenero; Petri Vaisanen; Theodore Williams; Ewald Zietsman
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Paper Abstract

PySALT is the python/PyRAF-based data reduction and analysis pipeline for the Southern African Large Telescope (SALT), a modern 10m class telescope with a large user community consisting of 13 partner institutions. The two first generation instruments on SALT are SALTICAM, a wide-field imager, and the Robert Stobie Spectrograph (RSS). Along with traditional imaging and spectroscopy modes, these instruments provide a wide range of observing modes, including Fabry-Perot imaging, polarimetric observations, and high-speed observations. Due to the large user community, resources available, and unique observational modes of SALT, the development of reduction and analysis software is key to maximizing the scientific return of the telescope. PySALT is developed in the Python/PyRAF environment and takes advantage of a large library of open-source astronomical software. The goals in the development of PySALT are: (1) Provide science quality reductions for the major operational modes of SALT, (2) Create analysis tools for the unique modes of SALT, and (3) Create a framework for the archiving and distribution of SALT data. The data reduction software currently provides support for the reduction and analysis of regular imaging, high-speed imaging, and long slit spectroscopy with planned support for multi-object spectroscopy, high-speed spectroscopy, Fabry-Perot imaging, and polarimetric data sets. We will describe the development and current status of PySALT and highlight its benefits through early scientific results from SALT.

Paper Details

Date Published: 29 July 2010
PDF: 12 pages
Proc. SPIE 7737, Observatory Operations: Strategies, Processes, and Systems III, 773725 (29 July 2010); doi: 10.1117/12.857000
Show Author Affiliations
Steven M. Crawford, South African Astronomical Observatory (South Africa)
Southern African Large Telescope (South Africa)
Martin Still, NASA Ames Research Ctr. (United States)
Pim Schellart, South African Astronomical Observatory (South Africa)
Radboud Univ. (Netherlands)
Luis Balona, South African Astronomical Observatory (South Africa)
David A. H. Buckley, South African Astronomical Observatory (South Africa)
Southern African Large Telescope (South Africa)
Garith Dugmore, South African Astronomical Observatory (South Africa)
Amanda A. S. Gulbis, South African Astronomical Observatory (South Africa)
Southern African Large Telescope (South Africa)
Alexei Kniazev, South African Astronomical Observatory (South Africa)
Southern African Large Telescope (South Africa)
Marissa Kotze, South African Astronomical Observatory (South Africa)
Univ. of Cape Town (South Africa)
Nicola Loaring, South African Astronomical Observatory (South Africa)
Southern African Large Telescope (South Africa)
Kenneth H. Nordsieck, Univ. of Wisconsin-Madison (United States)
Timothy E. Pickering, South African Astronomical Observatory (South Africa)
Southern African Large Telescope (South Africa)
Stephen Potter, South African Astronomical Observatory (South Africa)
Encarni Romero Colmenero, South African Astronomical Observatory (South Africa)
Southern African Large Telescope (South Africa)
Petri Vaisanen, South African Astronomical Observatory (South Africa)
Southern African Large Telescope (South Africa)
Theodore Williams, Rutgers Univ. (United States)
Ewald Zietsman, South African Astronomical Observatory (South Africa)
Univ. of South Africa (South Africa)


Published in SPIE Proceedings Vol. 7737:
Observatory Operations: Strategies, Processes, and Systems III
David R. Silva; Alison B. Peck; B. Thomas Soifer, Editor(s)

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