Photometric colors of the brightest members of the Jupiter L5 Trojan cloud

Joseph P. Chatelain; Todd J. Henry; Linda M. French; Jennifer G. Winters; David E. Trilling

doi:10.1016/j.icarus.2016.01.026

Photometric colors of the brightest members of the Jupiter L5 Trojan cloud

Joseph P. Chatelain, Todd J. Henry, Linda M. French, Jennifer G. Winters, David E. Trilling

Physics and Astronomy

Research output: Contribution to journal › Article

1 Scopus citations

Abstract

The L5 Jupiter Trojan asteroids are minor bodies that orbit 60 degrees behind Jupiter. Because these orbits are stable over the lifetime of the Solar System, the properties of these objects may inform us about the conditions under which the Solar System formed. We present BVR_KCI_KC photometry for the 42 intrinsically brightest and presumably largest members of the L5 Jupiter Trojans. We define a new principal color component aT* that is indicative of taxonomic types relevant to the Jupiter Trojan asteroids. We find that 76% of the largest L5 Jupiter Trojans are consistent with a D-type classification, while 24% show shallower slopes more consistent with X-type and C-Type classifications. Such a breakdown is consistent with other surveys and will help to place the Trojans in the larger context of the Solar System.

Original language	English (US)
Pages (from-to)	158-169
Number of pages	12
Journal	Icarus
Volume	271
DOIs	https://doi.org/10.1016/j.icarus.2016.01.026
State	Published - Jun 1 2016

Keywords

Asteroids
Photometry
Trojan asteroids

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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Chatelain, J. P., Henry, T. J., French, L. M., Winters, J. G., & Trilling, D. E. (2016). Photometric colors of the brightest members of the Jupiter L5 Trojan cloud. Icarus, 271, 158-169. https://doi.org/10.1016/j.icarus.2016.01.026

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abstract = "The L5 Jupiter Trojan asteroids are minor bodies that orbit 60 degrees behind Jupiter. Because these orbits are stable over the lifetime of the Solar System, the properties of these objects may inform us about the conditions under which the Solar System formed. We present BVRKCIKC photometry for the 42 intrinsically brightest and presumably largest members of the L5 Jupiter Trojans. We define a new principal color component aT* that is indicative of taxonomic types relevant to the Jupiter Trojan asteroids. We find that 76% of the largest L5 Jupiter Trojans are consistent with a D-type classification, while 24% show shallower slopes more consistent with X-type and C-Type classifications. Such a breakdown is consistent with other surveys and will help to place the Trojans in the larger context of the Solar System.",

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AU - Chatelain, Joseph P.

AU - Henry, Todd J.

AU - French, Linda M.

AU - Winters, Jennifer G.

AU - Trilling, David E.

PY - 2016/6/1

Y1 - 2016/6/1

N2 - The L5 Jupiter Trojan asteroids are minor bodies that orbit 60 degrees behind Jupiter. Because these orbits are stable over the lifetime of the Solar System, the properties of these objects may inform us about the conditions under which the Solar System formed. We present BVRKCIKC photometry for the 42 intrinsically brightest and presumably largest members of the L5 Jupiter Trojans. We define a new principal color component aT* that is indicative of taxonomic types relevant to the Jupiter Trojan asteroids. We find that 76% of the largest L5 Jupiter Trojans are consistent with a D-type classification, while 24% show shallower slopes more consistent with X-type and C-Type classifications. Such a breakdown is consistent with other surveys and will help to place the Trojans in the larger context of the Solar System.

AB - The L5 Jupiter Trojan asteroids are minor bodies that orbit 60 degrees behind Jupiter. Because these orbits are stable over the lifetime of the Solar System, the properties of these objects may inform us about the conditions under which the Solar System formed. We present BVRKCIKC photometry for the 42 intrinsically brightest and presumably largest members of the L5 Jupiter Trojans. We define a new principal color component aT* that is indicative of taxonomic types relevant to the Jupiter Trojan asteroids. We find that 76% of the largest L5 Jupiter Trojans are consistent with a D-type classification, while 24% show shallower slopes more consistent with X-type and C-Type classifications. Such a breakdown is consistent with other surveys and will help to place the Trojans in the larger context of the Solar System.

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