Characterizing asteroids multiply-observed at infrared wavelengths

Seth C. Koren; Edward L. Wright; A. Mainzer

doi:10.1016/j.icarus.2015.06.014

Characterizing asteroids multiply-observed at infrared wavelengths

Seth C. Koren, Edward L. Wright, A. Mainzer

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

We report Markov chain Monte Carlo fits of the thermophysical model of Wright (Wright, E.L. [2007]. Astrophysics e-prints arXiv:astro-ph/0703058) to the fluxes of 10 asteroids which have been observed by both WISE and NEOWISE. This model is especially useful when one has observations of an asteroid at multiple epochs, as it takes advantage of the views of different local times and latitudes to determine the spin axis and the thermal parameter. Many of the asteroids NEOWISE observes will have already been imaged by WISE, so this proof of concept shows there is an opportunity to use a rotating cratered thermophysical model to determine surface thermal properties of a large number of asteroids.

Original language	English (US)
Pages (from-to)	82-91
Number of pages	10
Journal	Icarus
Volume	258
DOIs	https://doi.org/10.1016/j.icarus.2015.06.014
State	Published - Sep 1 2015
Externally published	Yes

Keywords

Asteroids
Asteroids, rotation
Infrared observations

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1016/j.icarus.2015.06.014

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title = "Characterizing asteroids multiply-observed at infrared wavelengths",

abstract = "We report Markov chain Monte Carlo fits of the thermophysical model of Wright (Wright, E.L. [2007]. Astrophysics e-prints arXiv:astro-ph/0703058) to the fluxes of 10 asteroids which have been observed by both WISE and NEOWISE. This model is especially useful when one has observations of an asteroid at multiple epochs, as it takes advantage of the views of different local times and latitudes to determine the spin axis and the thermal parameter. Many of the asteroids NEOWISE observes will have already been imaged by WISE, so this proof of concept shows there is an opportunity to use a rotating cratered thermophysical model to determine surface thermal properties of a large number of asteroids.",

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doi = "10.1016/j.icarus.2015.06.014",

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T1 - Characterizing asteroids multiply-observed at infrared wavelengths

AU - Koren, Seth C.

AU - Wright, Edward L.

AU - Mainzer, A.

PY - 2015/9/1

Y1 - 2015/9/1

N2 - We report Markov chain Monte Carlo fits of the thermophysical model of Wright (Wright, E.L. [2007]. Astrophysics e-prints arXiv:astro-ph/0703058) to the fluxes of 10 asteroids which have been observed by both WISE and NEOWISE. This model is especially useful when one has observations of an asteroid at multiple epochs, as it takes advantage of the views of different local times and latitudes to determine the spin axis and the thermal parameter. Many of the asteroids NEOWISE observes will have already been imaged by WISE, so this proof of concept shows there is an opportunity to use a rotating cratered thermophysical model to determine surface thermal properties of a large number of asteroids.

AB - We report Markov chain Monte Carlo fits of the thermophysical model of Wright (Wright, E.L. [2007]. Astrophysics e-prints arXiv:astro-ph/0703058) to the fluxes of 10 asteroids which have been observed by both WISE and NEOWISE. This model is especially useful when one has observations of an asteroid at multiple epochs, as it takes advantage of the views of different local times and latitudes to determine the spin axis and the thermal parameter. Many of the asteroids NEOWISE observes will have already been imaged by WISE, so this proof of concept shows there is an opportunity to use a rotating cratered thermophysical model to determine surface thermal properties of a large number of asteroids.

KW - Asteroids

KW - Asteroids, rotation

KW - Infrared observations

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JO - Icarus

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ER -

Characterizing asteroids multiply-observed at infrared wavelengths

Abstract

Keywords

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