Color Uniformity of Comets in the Sloan Digital Sky Survey

Details Color Uniformity of Comets in the Sloan Digital Sky Survey Color Uniformity of Comets in the Sloan Digital Sky Survey

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011epsc.conf..670s&link_type=abstract

EPSC-DPS Joint Meeting 2011, held 2-7 October 2011 in Nantes, France. http://meetings.copernicus.org/epsc-dps2011, p.670

Physics

Scientific paper

We present the ensemble properties of 31 comets (27 resolved and 4 unresolved) observed by the Sloan Digital Sky Survey (SDSS). This sample of comets represents about 1 comet per 10 million SDSS photometric objects. Five-band (u, g, r, i, z) photometry is used to determine the comets' colors, sizes, surface brightness profiles, and rates of dust production (Af ). The resolved comets show an extremely narrow distribution of colors (0.57±0.05 in g-r for example), which are statistically indistinguishable from that of the Jupiter Trojans. Further, there is no evidence of correlation between color and physical, dynamical, or observational parameters for the observed comets.

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