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Proceedings Paper

LOFAR operations: lessons learned and challenges
Author(s): Roberto Pizzo
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Paper Abstract

LOFAR is the World’s largest radio telescope which combines signals from 51 phased array antenna stations distributed in The Netherlands and across Europe. It covers the largely unexplored low-frequency range from 10- 240 MHz and provides several unique observing capabilities. Every second, tens of gigabytes of data flow through a massive ICT infrastructure from the stations to the correlation facility located in the north of The Netherlands. The post-correlator raw data is further processed on a supercomputer through a variety of processing pipelines. Final data products are shared with the community through a distributed long-term archive system, which hosts the largest astronomical data collection to date. In order to exploit the new frequency regime with unprecedented resolution and sensitivity, LOFAR faces several non-trivial technical and operational challenges. These are presented and discussed in this paper, along with the important lessons learned which will be important reference for next generation observing facilities.

Paper Details

Date Published: 10 July 2018
PDF: 13 pages
Proc. SPIE 10704, Observatory Operations: Strategies, Processes, and Systems VII, 107040E (10 July 2018); doi: 10.1117/12.2311843
Show Author Affiliations
Roberto Pizzo, Netherlands Institute for Radio Astronomy (Netherlands)


Published in SPIE Proceedings Vol. 10704:
Observatory Operations: Strategies, Processes, and Systems VII
Alison B. Peck; Robert L. Seaman; Chris R. Benn, Editor(s)

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