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2012

AARTFAAC: Towards a 24x7, All-sky Monitor for LOFAR

Prasad, Peeyush, Wijnholds, Stefan J.

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The AARTFAAC project aims to implement an All-Sky Monitor (ASM), using the Low Frequency Array (LOFAR) telescope.

It will enable real-time, 24x7 monitoring for low frequency radio transients over most of the sky locally visible to the LOFAR at timescales ranging from milliseconds to several days, and rapid triggering of follow-up observations with the full LOFAR on detection of potential transient candidates.
These requirements pose several implementation challenges: imaging of an all-sky field of view, low latencies of processing, continuous availability and autonomous operation of the ASM.
The first of these has already resulted in the correlator for the ASM being the largest in the world in terms of its number of input channels.

AARTFAAC: Towards a 24x7, All-sky Monitor for LOFAR · Around

Built on

[6] Mats Viberg, Björn Ottersten, and Thomas Kailath. Detection and Estimation in Sensor Arrays Using Weighted Subspace Fitting. IEEE Transactions on Signal Processing
Original
1991
Earlier work this paper cites.
[1] Jim Cordes. The SKA as a Radio Synoptic Survey Telescope: Widefield Surveys for Transients, Pulsars and ETI. SKA memo series
2007
Earlier work this paper cites.

Similar

[4] John Swinbank et al. A transient detection and monitoring pipeline for LOFAR. In Proceedings of Science
2007
Cited alongside, same era.
[2] Marco de Vos, Andre W. Gunst, and Ronald Nijboer. The LOFAR Telescope: System Architecture and Signal Processing. Proceedings of the IEEE
2009
Cited alongside, same era.

Then

[5] Stefan J. Wijnholds and Alle-Jan van der Veen. Multisource Self-calibrationfor Sensor Arrays. IEEE Transactions on Signal Processing
2009
Later among the works it cites.
[3] Andre W. Digital Correlator System for AARTFAAC. Technical Report ASTRON-RP-331, ASTRON, Dwingeloo, The Netherlands, 12 July 2011
2011
Later among the works it cites.

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