Mathematics – Probability
Scientific paper
Sep 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008dps....40.3811b&link_type=abstract
American Astronomical Society, DPS meeting #40, #38.11; Bulletin of the American Astronomical Society, Vol. 40, p.466
Mathematics
Probability
1
Scientific paper
We report resolved photometry of the primary and secondary components of 22 transneptunian binaries obtained with the Hubble Space Telescope. We find the primary and secondary colors to be identical within our measurement uncertainties and correlated with a Spearman rank correlation probability of 99.983%. The V-I colors of the components span the full color range from 0.7 (neutral) to 1.5 (red) with a median uncertainty of 0.05 magnitudes. As a group, the binary colors are indistinguishable from that of the larger population of apparently single transneptunian objects. Whatever mechanism produced the colors of apparently single transneptunian objects acted equally on binary systems. The most likely explanation is that the colors of both single and binary transneptunian objects are primordial and indicative of their origin in a locally homogeneous, globally heterogeneous protoplanetary disk. Support for this research was provided by NASA through a grant from the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-26555.
Benecchi Susan D.
Buie Marc William
Grundy Will M.
Levison Harold F.
Noll Keith S.
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