Color-Inclination Relation of the Classical Kuiper Belt Objects

  title={Color-Inclination Relation of the Classical Kuiper Belt Objects},
  author={Nuno Peixinho and Pedro Lacerda and David C. Jewitt},
We re-examine the correlation between the colors and the inclinations of the Classical Kuiper Belt Objects (CKBOs) with an enlarged sample of optical measurements. The correlation is strong (ρ = −0.7) and highly significant (> 8σ) in the range 0◦ − 34◦. Nonetheless, the optical colors are independent of inclination below ≈ 12◦, showing no evidence for a break at the reported boundary between the so-called dynamically “hot” and “cold” populations near ≈ 5◦. The commonly accepted parity between… CONTINUE READING


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