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Proceedings Paper

Time resolved astronomy with the SALT
Author(s): D. A. H. Buckley; S. Crawford; A. A. S. Gulbis; J. McPhate; K. H. Nordsieck; S. B. Potter; D. O'Donoghue; O. H. W. Siegmund; P. Schellart; M. Spark; B. Y. Welsh; E. Zietsman
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Paper Abstract

While time resolved astronomical observations are not new, the extension of such studies to sub-second time resolution is and has resulted in the opening of a new observational frontier, High Time Resolution Astronomy (HTRA). HTRA studies are well suited to objects like compact binary stars (CVs and X-ray binaries) and pulsars, while asteroseismology of pulsating stars, occultations, transits and the study of transients, will all benefit from such HTRA studies. HTRA has been a SALT science driver from the outset and the first-light instruments, namely the UV-VIS imager, SALTICAM, and the multi-purpose Robert Stobie Spectrograph (RSS), both have high time resolution modes. These are described, together with some observational examples. We also discuss the commissioning observations with the photon counting Berkeley Visible Image Tube camera (BVIT) on SALT. Finally we describe the software tools, developed in Python, to reduce SALT time resolved observations.

Paper Details

Date Published: 21 July 2010
PDF: 14 pages
Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 773559 (21 July 2010); doi: 10.1117/12.858039
Show Author Affiliations
D. A. H. Buckley, South African Astronomical Observatory (South Africa)
Southern African Large Telescope (South Africa)
S. Crawford, South African Astronomical Observatory (South Africa)
A. A. S. Gulbis, South African Astronomical Observatory (South Africa)
Southern African Large Telescope (South Africa)
J. McPhate, Space Science Lab., Univ. of California, Berkeley (United States)
K. H. Nordsieck, Univ. of Wisconsin-Madison (United States)
S. B. Potter, South African Astronomical Observatory (South Africa)
D. O'Donoghue, South African Astronomical Observatory (South Africa)
O. H. W. Siegmund, Univ. of California, Berkeley (United States)
P. Schellart, South African Astronomical Observatory (South Africa)
Southern African Large Telescope (South Africa)
M. Spark, South African Astronomical Observatory (South Africa)
Univ. of Cape Town (South Africa)
B. Y. Welsh, Univ. of California, Berkeley (United States)
E. Zietsman, South African Astronomical Observatory (South Africa)
Univ. of South Africa (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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