Are the Greeks and Trojans Different? --- Comparing the Brightest Objects in Jupiter's L4 and L5 Swarms

Details Are the Greeks and Trojans Different? --- Comparing the Brightest Objects in Jupiter's L4 and L5 Swarms Are the Greeks and Trojans Different? --- Comparing the Brightest Objects in Jupiter's L4 and L5 Swarms

Feb 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011noao.prop..187c&link_type=abstract

NOAO Proposal ID #2011A-0187

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Scientific paper

We propose to make UBVRI photometric observations of at least the 113 brightest Jupiter Trojans from both the L4 (Greek) and the L5 (Trojan) Lagrange points using the CTIO 0.9m, in conjunction with data gathered at Lowell Observatory. With these data we hope to reveal any color trends and/or differences between the largest members of the two camps. A comprehensive database of uniform photometry does not exist for this effectively complete sample, so robust comparisons are virtually impossible at this time. These data will also enable comparisons between the Greek and Trojan swarms and other Solar System populations to discover the possible origins of the two camps, which remain surprisingly obscure. Over the course of the program we will collect several important phase curves that can be used to systematically calibrate the photometry over time. During non- photometric conditions, we will measure light curves that yield information about albedo changes (or a lack thereof,which would also be informative), shapes, and rotation periods. The proposed observations will comprise a significant portion of the PI's PhD thesis.

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