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Proceedings Paper

Robotic acquisition of spectrograph targets across the Las Cumbres Observatory global network of telescopes
Author(s): Stephen Foale; Mark K. Bowman; Jon S. Nation; Daniel R. Harbeck; Robert J. Siverd
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Paper Abstract

Las Cumbres Observatory operates a global network of robotic telescopes with two classes of spectrograph distributed across telescopes with primary mirrors ranging from 1.0m to 2.0m. We present strategies and algorithms for performing precise robotic acquisition of a target source to a specified position in the focal plane and then maintaining the source in position for the duration of the spectrographic exposure(s). A high level algorithm with the ability to choose from a set of strategies for acquisition allows us to use a common code base to solve significantly different problems. We describe the three major components of each robotic acquisition: field identification to point the telescope precisely to the target coordinates; target identification and pointing refinement to precisely acquire the identified source; long term guiding to maintain the acquired position for the duration of the spectrographic observation.

Paper Details

Date Published: 6 July 2018
PDF: 8 pages
Proc. SPIE 10707, Software and Cyberinfrastructure for Astronomy V, 107070Y (6 July 2018); doi: 10.1117/12.2311687
Show Author Affiliations
Stephen Foale, Las Cumbres Observatory Global Telescope Network (United Kingdom)
Mark K. Bowman, Las Cumbres Observatory Global Telescope Network (United States)
Jon S. Nation, Las Cumbres Observatory Global Telescope Network (United States)
Daniel R. Harbeck, Las Cumbres Observatory Global Telescope Network (United States)
Robert J. Siverd, Las Cumbres Observatory Global Telescope Network (United States)


Published in SPIE Proceedings Vol. 10707:
Software and Cyberinfrastructure for Astronomy V
Juan C. Guzman; Jorge Ibsen, Editor(s)

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