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A Search for Resonant Structures in the Zodiacal Cloud with COBE DIRBE: The Mars Wake and Jupiter’s Trojan Clouds

Kuchner, Marc J. and Reach, William T. and Brown, Michael E. (2000) A Search for Resonant Structures in the Zodiacal Cloud with COBE DIRBE: The Mars Wake and Jupiter’s Trojan Clouds. Icarus, 145 (1). pp. 44-52. ISSN 0019-1035. http://resolver.caltech.edu/CaltechAUTHORS:20120926-155225413

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Abstract

We searched the COBE DIRBE Sky and Zodi Atlas for a wake of dust trailing Mars and for Trojan dust near Jupiter's L5 Lagrange point. We compare the DIRBE images to a model Mars wake based on the empirical model of Earth's wake as seen by the DIRBE and place a 3-σ upper limit on the fractional overdensity of particles in the Mars wake of 18% of the fractional overdensity trailing Earth. We place a 3-σ upper limit on the effective emitting area of large (10- to 100-μm-diameter) particles trapped at Jupiter's L5 Lagrange point of 6×10^(17) cm^2, assuming that these large dust grains are distributed in space like the Trojan asteroids. We would have detected the Mars wake if the surface area of dust in the wake scaled simply as the mass of the planet times the Poynting–Robertson time scale.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1006/icar.1999.6318DOIUNSPECIFIED
http://www.sciencedirect.com/science/article/pii/S0019103599963182PublisherUNSPECIFIED
Additional Information:© 2000 Academic Press. Received May 6, 1999; revised October 18, 1999. We thank Antonin Bouchez, Eric Gaidos, Peter Goldreich, Renu Malhotra, and Ingrid Mann for helpful discussions, and our referees for their thoughtful comments.
Subject Keywords:asteroids; extrasolar planets; interplanetary dust; Jupiter; Mars; resonances
Record Number:CaltechAUTHORS:20120926-155225413
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120926-155225413
Official Citation:Marc J. Kuchner, William T. Reach, Michael E. Brown, A Search for Resonant Structures in the Zodiacal Cloud with COBE DIRBE: The Mars Wake and Jupiter's Trojan Clouds, Icarus, Volume 145, Issue 1, May 2000, Pages 44-52, ISSN 0019-1035, 10.1006/icar.1999.6318. (http://www.sciencedirect.com/science/article/pii/S0019103599963182)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:34489
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:27 Sep 2012 15:17
Last Modified:27 Sep 2012 15:17

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