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On the Detection of Two New Transneptunian Binaries from the CFEPS Kuiper Belt Survey | H.-W. Lin
; J.J. Kavelaars
; W.-H. Ip
; B.J. Gladman
; J.M. Petit
; R. L. Jones
; Joel Wm. Parker
; | Date: |
5 Aug 2010 | Abstract: | We report here the discovery of an new near-equal mass Trans-Neptunian
Binaries (TNBs) L5c02 and the and the putative detection of a second TNB
(L4k12) among the year two and three detections of the Canada-France-Eclipic
Plane Survey (CFEPS). These new binaries (internal designation L4k12 and L5c02)
have moderate separations of 0.4" and 0.6" respectively. The follow-up
observation confirmed the binarity of L5c02, but L4k12 are still lack of more
followup observations. L4k12 has a heliocentric orbital inclination of ~
35?degree, marking this system as having the highest heliocentric orbital
inclination among known near-equal mass binaries. Both systems are members of
the classical main Kuiper belt population. Based on the sample of objects
searched we determine that the fraction of near-equal mass wide binaries with
separations > 0.4" is 1.5% to 20% in the cold main classical Kuiper belt and,
if our detection the binarity L4k12 holds, 3% to 43% in the hot main classical
objects are binary. In this manuscript we describe our detection process, the
sample of objects surveyed, our confirmation observations. | Source: | arXiv, 1008.1077 | Services: | Forum | Review | PDF | Favorites |
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