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Decoupling Phase Variations in Multi-planet Systems

Kane, Stephen R. and Gelino, Dawn M. (2013) Decoupling Phase Variations in Multi-planet Systems. Astrophysical Journal, 762 (2). Art. No. 129. ISSN 0004-637X. doi:10.1088/0004-637X/762/2/129. https://resolver.caltech.edu/CaltechAUTHORS:20130205-112907191

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Abstract

Due to the exquisite photometric precision, transiting exoplanet discoveries from the Kepler mission are enabling several new techniques of confirmation and characterization. One of these newly accessible techniques analyzes the phase variations of planets as they orbit their stars. The predicted phase variation for multi-planet systems can become rapidly complicated and depends upon the period, radius, and albedo distributions for planets in the system. Here we describe the confusion that may occur due to short-period terrestrial planets and/or non-transiting planets in a system, which can add high-frequency correlated noise or low-frequency trends to the data stream. We describe these sources of ambiguity with several examples, including that of our solar system. We further show how decoupling of these signals may be achieved with application to the Kepler-20 and Kepler-33 multi-planet systems.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1088/0004-637X/762/2/129DOIArticle
http://iopscience.iop.org/0004-637X/762/2/129PublisherArticle
ORCID:
AuthorORCID
Kane, Stephen R.0000-0002-7084-0529
Gelino, Dawn M.0000-0003-1274-2784
Additional Information:© 2013 American Astronomical Society. Received 2012 August 28; accepted 2012 November 28; published 2012 December 21. The authors would like to thank Geoff Marcy, Nick Gautier, Natalie Hinkel, and Diana Dragomir for their useful suggestions and comments. We would also like to thank the anonymous referee, whose comments greatly improved the quality of the paper.
Group:Infrared Processing and Analysis Center (IPAC)
Subject Keywords:planetary systems; techniques: photometric
Issue or Number:2
DOI:10.1088/0004-637X/762/2/129
Record Number:CaltechAUTHORS:20130205-112907191
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20130205-112907191
Official Citation:Decoupling Phase Variations in Multi-planet Systems Stephen R. Kane and Dawn M. Gelino 2013 ApJ 762 129
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:36783
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:05 Feb 2013 19:36
Last Modified:09 Nov 2021 23:24

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