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Proceedings Paper

Full automation of the Automatic Telescope for Optical Monitoring
Author(s): Felix Jankowsky; Stefan Wagner
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Paper Abstract

The Automatic Telescope for Optical Monitoring (ATOM) is a 75 cm Ritchey-Chrétien telescope situated in Göllschau, Namibia, which forms part of the High Energy Stereoscopic System (H.E.S.S.). This paper presents ANDAQ, which allows to step from robotic to fully automatic observation by eliminating the need for daily human interaction. The main module responsible for the telescope operation forms a newly developed observer program, which also includes control of the telescope enclosure and offers various other tasks, like automated flat-fielding with live-analysis.

ANDAQ features its own TCP server for outside communication, making it possible to insert commands during the night. It possesses various means of monitoring internal and environmental parameters, and adjusts observation if necessary. This paper includes an description of the all-sky camera serving as cloud detector, supplemented by an additional rain detection device, and shows how operation is stopped as soon as weather parameters are below a defined standard, and automatically restarted once conditions recover. ANDAQ possesses a modular design based on a management core which starts and stops components as needed. This eases introduction of further functionality considerably and current development efforts include closer links to the main H.E.S.S. operation as well as live-analysis of exposures, allowing repeated observation in case of increased activity of a source.

ANDAQ has undergone extensive testing and has not seen any major problems so far. It may thus well serve as base for a future automated monitoring programme for the Cherenkov Telescope Array.

Paper Details

Date Published: 6 August 2014
PDF: 9 pages
Proc. SPIE 9149, Observatory Operations: Strategies, Processes, and Systems V, 91491Y (6 August 2014); doi: 10.1117/12.2056376
Show Author Affiliations
Felix Jankowsky, Landessternwarte Heidelberg (Germany)
Stefan Wagner, Landessternwarte Heidelberg (Germany)

Published in SPIE Proceedings Vol. 9149:
Observatory Operations: Strategies, Processes, and Systems V
Alison B. Peck; Chris R. Benn; Robert L. Seaman, Editor(s)

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