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Small and Nearby NEOs Observed by NEOWISE During the First Three Years of Survey: Physical Properties

Masiero, Joseph R. and Redwing, E. and Mainzer, A. K. and Bauer, J. M. and Cutri, R. M. and Grav, T. and Kramer, E. and Nugent, C. R. and Sonnett, S. and Wright, E. L. (2018) Small and Nearby NEOs Observed by NEOWISE During the First Three Years of Survey: Physical Properties. Astronomical Journal, 156 (2). Art. No. 60. ISSN 1538-3881. https://resolver.caltech.edu/CaltechAUTHORS:20180808-131723539

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Abstract

Automated asteroid detection routines set requirements on the number of detections, signal-to-noise ratio, and the linearity of the expected motion in order to balance completeness, reliability, and time delay after data acquisition when identifying moving object tracklets. However, when the full-frame data from a survey are archived, they can be searched later for asteroids that were below the initial detection thresholds. We have conducted such a search of the first three years of the reactivated Near-Earth Object Wide-field Infrared Survey Explorer data, looking for near-Earth objects discovered by ground-based surveys that have previously unreported thermal infrared data. Using these measurements, we can then perform thermal modeling to measure the diameters and albedos of these objects. We present new physical properties for 116 Near-Earth Objects found in this search.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.3847/1538-3881/aacce4DOIArticle
https://arxiv.org/abs/1806.04759arXivDiscussion Paper
ORCID:
AuthorORCID
Masiero, Joseph R.0000-0003-2638-720X
Cutri, R. M.0000-0002-0077-2305
Grav, T. 0000-0002-3379-0534
Kramer, E.0000-0003-0457-2519
Sonnett, S.0000-0003-2762-8909
Wright, E. L.0000-0001-5058-1593
Additional Information:© 2018 The American Astronomical Society. Received 2018 April 27; revised 2018 May 30; accepted 2018 June 12; published 2018 July 24. We thank the referee for their detailed and helpful comments that improved the manuscript. This research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. This publication makes use of data products from the Wide-field Infrared Survey Explorer, which is a joint project of the University of California, Los Angeles, and the Jet Propulsion Laboratory/California Institute of Technology, funded by the National Aeronautics and Space Administration. This publication also makes use of data products from NEOWISE, which is a project of the Jet Propulsion Laboratory/California Institute of Technology, funded by the Planetary Science Division of the National Aeronautics and Space Administration. This research has made use of data and services provided by the International Astronomical Union's Minor Planet Center. This research has made use of the NASA/IPAC Infrared Science Archive, which is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration.
Group:Infrared Processing and Analysis Center (IPAC)
Funders:
Funding AgencyGrant Number
NASA/JPL/CaltechUNSPECIFIED
Subject Keywords:minor planets, asteroids: general
Issue or Number:2
Record Number:CaltechAUTHORS:20180808-131723539
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180808-131723539
Official Citation:Joseph R. Masiero et al 2018 AJ 156 60
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:88661
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:08 Aug 2018 21:26
Last Modified:03 Oct 2019 20:08

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