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Using conditional entropy to identify periodicity

Graham, Matthew J. and Drake, Andrew J. and Djorgovski, S. G. and Mahabal, Ashish A. and Donalek, Ciro (2013) Using conditional entropy to identify periodicity. Monthly Notices of the Royal Astronomical Society, 434 (3). pp. 2629-2635. ISSN 0035-8711. http://resolver.caltech.edu/CaltechAUTHORS:20131002-125112999

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Abstract

This paper presents a new period-finding method based on conditional entropy that is both efficient and accurate. We demonstrate its applicability on simulated and real data. We find that it has comparable performance to other information-based techniques with simulated data but is superior with real data, both for finding periods and for just identifying periodic behaviour. In particular, it is robust against common aliasing issues found with other period-finding algorithms.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://arxiv.org/abs/1306.6664arXivDiscussion Paper
http://dx.doi.org/10.1093/mnras/stt1206 DOIArticle
http://mnras.oxfordjournals.org/content/434/3/2629PublisherArticle
Additional Information:© 2013 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. Accepted 2013 June 27. Received 2013 June 26; in original form 2013 June 4. First published online: July 26, 2013. We thank the referee, Pablo Cincotta, for his useful comments. This work was supported in part by the NSF grants AST-0909182 and IIS-1118041, by the W. M. Keck Institute for Space Studies, and by the US Virtual Astronomical Observatory, itself supported by the NSF grant AST-0834235.
Group:Keck Institute for Space Studies
Funders:
Funding AgencyGrant Number
NSFAST-0909182
NSFIIS-1118041
W. M. Keck Institute for Space StudiesUNSPECIFIED
US Virtual Astronomical ObservatoryUNSPECIFIED
NSFAST-0834235
Subject Keywords:methods: data analysis – techniques: photometric – astronomical data bases: miscellaneous
Record Number:CaltechAUTHORS:20131002-125112999
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20131002-125112999
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:41615
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:02 Oct 2013 22:24
Last Modified:17 Mar 2014 18:46

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