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Authors: Prabhu Babu 1 ; Petre Stoica 1 and Jian Li 2

Affiliations: 1 Uppsala University, Sweden ; 2 University of Florida, United States

Keyword(s): Radial velocity method, Exoplanet search, Kepler model, IAA, Periodogram, RELAX, GLRT.

Related Ontology Subjects/Areas/Topics: Informatics in Control, Automation and Robotics ; Signal Processing, Sensors, Systems Modeling and Control ; Time Series and System Modeling

Abstract: In this paper, we introduce an estimation technique for analyzing radial velocity data commonly encountered in extrasolar planet detection. We discuss the Keplerian model for radial velocity data measurements and estimate the 3D spectrum (power vs. eccentricity, orbital period and periastron passage time) of the radial velocity data by using a relaxation maximum likelihood algorithm (RELAX). We then establish the significance of the spectral peaks by using a generalized likelihood ratio test (GLRT). Numerical experiments are carried out on a real life data set to evaluate the performance of our method.

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Paper citation in several formats:
Babu, P.; Stoica, P. and Li, J. (2010). MODELING RADIAL VELOCITY SIGNALS FOR EXOPLANET SEARCH APPLICATIONS. In Proceedings of the 7th International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO; ISBN 978-989-8425-02-7; ISSN 2184-2809, SciTePress, pages 155-159. DOI: 10.5220/0002770601550159

@conference{icinco10,
author={Prabhu Babu. and Petre Stoica. and Jian Li.},
title={MODELING RADIAL VELOCITY SIGNALS FOR EXOPLANET SEARCH APPLICATIONS},
booktitle={Proceedings of the 7th International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO},
year={2010},
pages={155-159},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002770601550159},
isbn={978-989-8425-02-7},
issn={2184-2809},
}

TY - CONF

JO - Proceedings of the 7th International Conference on Informatics in Control, Automation and Robotics - Volume 3: ICINCO
TI - MODELING RADIAL VELOCITY SIGNALS FOR EXOPLANET SEARCH APPLICATIONS
SN - 978-989-8425-02-7
IS - 2184-2809
AU - Babu, P.
AU - Stoica, P.
AU - Li, J.
PY - 2010
SP - 155
EP - 159
DO - 10.5220/0002770601550159
PB - SciTePress