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Multiwavelength Variability Surveys: Reaping the Stellar Harvest

Cody, Ann Marie and Stauffer, John R. and Rebull, Luisa M. and Hillenbrand, Lynne A. and Song, Inseok (2016) Multiwavelength Variability Surveys: Reaping the Stellar Harvest. In: Astronomical Data Analysis Software and Systems XXV. Astronomical Society of the Pacific Conference Series. No.512. Astronomical Society of the Pacific , San Francisco, CA, pp. 13-21. ISBN 978-1-58381-908-1. https://resolver.caltech.edu/CaltechAUTHORS:20180913-074150682

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Abstract

Over the past decade, a number of dedicated stellar variability surveys have launched from both the ground and space. Many of these programs focus on the detection of specific events, such as exoplanet transits, microlensing amplification, or extragalactic transients. Yet the observed variability behavior encompasses a much larger range of stellar phenomena. To take full advantage of variability survey data, we must detect and classify distinct morphological features in light curves. This task has been particularly challenging for the young (1–10 million year old) stars, which are well known to vary at the 1–100% level on timescales of hours to years. Here we highlight recent progress in the identification, classification, and physical understanding of young star variability. We introduce a selection of time series of pre-main sequence stars from state-of-the-art datasets, including the Young Stellar Object Variability (YSOVAR) campaign with the Spitzer Space Telescope. We describe the data storage approaches and time series analysis techniques employed to extract physically meaningful information from the light curves. The lessons learned from YSOVAR and other campaigns should be broadly applicable to massive future surveys such as TESS and LSST.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://www.aspbooks.org/a/volumes/article_details/?paper_id=38370PublisherArticle
http://adsabs.harvard.edu/abs/2017ASPC..512...13CADSArticle
ORCID:
AuthorORCID
Cody, Ann Marie0000-0002-3656-6706
Stauffer, John R.0000-0003-3595-7382
Rebull, Luisa M.0000-0001-6381-515X
Song, Inseok0000-0002-5815-7372
Additional Information:© 2017 Astronomical Society of the Pacific. This work is based in part on observations made with the Spitzer Space Telescope, which is operated by the Jet Propulsion Laboratory, California Institute of Technology under a contract with NASA. Support for this work was provided by NASA through an award issued by JPL/Caltech.
Group:Infrared Processing and Analysis Center (IPAC)
Funders:
Funding AgencyGrant Number
NASA/JPL/CaltechUNSPECIFIED
Series Name:Astronomical Society of the Pacific Conference Series
Issue or Number:512
Record Number:CaltechAUTHORS:20180913-074150682
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180913-074150682
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:89602
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:13 Sep 2018 17:46
Last Modified:03 Oct 2019 20:17

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