Surface reflectance properties of distant Solar system bodies

S. F. Green; N. McBride; D. P. Ó Ceallaigh; A. Fitzsimmons; I. P. Williams; M. J. Irwin

doi:10.1093/mnras/290.1.186

Surface reflectance properties of distant Solar system bodies

S. F. Green^*, N. McBride, D. P. Ó Ceallaigh, A. Fitzsimmons, I. P. Williams, M. J. Irwin

^*Corresponding author for this work

School of Mathematics and Physics

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Abstract

The recent discoveries of over 40 new objects with orbits beyond 30 au represent the first sampling of a reservoir of objects lying beyond Neptune, known as the Kuiper Belt (or Edgeworth-Kuiper Belt), which may be a source of short-period comets and Centaurs (objects whose orbits cross those of the giant planets). There are very few observations from which to derive physical properties of these Kuiper Belt objects (KBOs) due to their faintness and the concentration on discovery rather than follow-up, although optical and near-IR photometry of the few brightest KBOs and Centaurs shows a diversity from neutral to extremely red colours. We present new BVRI photometry of five KBOs (1994JQ₁, 1995DC2, 1994JR₁, 1995DA₂and one undesignated new KBO) and the Centaur object 1995DW₂. With the current small sample, we find no compelling evidence for a correlation of colours with orbital zones, and consequently no clear mechanism to explain this diversity in terms of the irradiation mantle model.

Original language	English
Pages (from-to)	186-192
Number of pages	7
Journal	Monthly Notices of the Royal Astronomical Society
Volume	290
Issue number	1
DOIs	https://doi.org/10.1093/mnras/290.1.186
Publication status	Published - 01 Jan 1997

Keywords

Comets: General
Minor planets, asteroids
Solar system: General

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1093/mnras/290.1.186

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abstract = "The recent discoveries of over 40 new objects with orbits beyond 30 au represent the first sampling of a reservoir of objects lying beyond Neptune, known as the Kuiper Belt (or Edgeworth-Kuiper Belt), which may be a source of short-period comets and Centaurs (objects whose orbits cross those of the giant planets). There are very few observations from which to derive physical properties of these Kuiper Belt objects (KBOs) due to their faintness and the concentration on discovery rather than follow-up, although optical and near-IR photometry of the few brightest KBOs and Centaurs shows a diversity from neutral to extremely red colours. We present new BVRI photometry of five KBOs (1994JQ1, 1995DC2, 1994JR1, 1995DA2and one undesignated new KBO) and the Centaur object 1995DW2. With the current small sample, we find no compelling evidence for a correlation of colours with orbital zones, and consequently no clear mechanism to explain this diversity in terms of the irradiation mantle model.",

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AU - McBride, N.

AU - Ó Ceallaigh, D. P.

AU - Fitzsimmons, A.

AU - Williams, I. P.

AU - Irwin, M. J.

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N2 - The recent discoveries of over 40 new objects with orbits beyond 30 au represent the first sampling of a reservoir of objects lying beyond Neptune, known as the Kuiper Belt (or Edgeworth-Kuiper Belt), which may be a source of short-period comets and Centaurs (objects whose orbits cross those of the giant planets). There are very few observations from which to derive physical properties of these Kuiper Belt objects (KBOs) due to their faintness and the concentration on discovery rather than follow-up, although optical and near-IR photometry of the few brightest KBOs and Centaurs shows a diversity from neutral to extremely red colours. We present new BVRI photometry of five KBOs (1994JQ1, 1995DC2, 1994JR1, 1995DA2and one undesignated new KBO) and the Centaur object 1995DW2. With the current small sample, we find no compelling evidence for a correlation of colours with orbital zones, and consequently no clear mechanism to explain this diversity in terms of the irradiation mantle model.

AB - The recent discoveries of over 40 new objects with orbits beyond 30 au represent the first sampling of a reservoir of objects lying beyond Neptune, known as the Kuiper Belt (or Edgeworth-Kuiper Belt), which may be a source of short-period comets and Centaurs (objects whose orbits cross those of the giant planets). There are very few observations from which to derive physical properties of these Kuiper Belt objects (KBOs) due to their faintness and the concentration on discovery rather than follow-up, although optical and near-IR photometry of the few brightest KBOs and Centaurs shows a diversity from neutral to extremely red colours. We present new BVRI photometry of five KBOs (1994JQ1, 1995DC2, 1994JR1, 1995DA2and one undesignated new KBO) and the Centaur object 1995DW2. With the current small sample, we find no compelling evidence for a correlation of colours with orbital zones, and consequently no clear mechanism to explain this diversity in terms of the irradiation mantle model.

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