scholarly journals Col-OSSOS: Compositional Homogeneity of Three Kuiper Belt Binaries

2020 ◽  
Vol 1 (1) ◽  
pp. 16 ◽  
Author(s):  
Michaël Marsset ◽  
Wesley C. Fraser ◽  
Michele T. Bannister ◽  
Megan E. Schwamb ◽  
Rosemary E Pike ◽  
...  
1999 ◽  
Vol 173 ◽  
pp. 37-44
Author(s):  
M.D. Melita ◽  
A. Brunini

AbstractA self-consistent study of the formation of planetary bodies beyond the orbit of Saturn and the evolution of Kuiper disks is carried out by means of an N-body code where accretion and gravitational encounters are considered. This investigation is focused on the aggregation of massive bodies in the outer planetary region and on the consequences of such process in the corresponding cometary belt. We study the link between the bombardment of massive bodies and mass depletion and eccentricity excitation.


Author(s):  
Edgar S. Etz ◽  
Thomas D. Schroeder ◽  
Winnie Wong-Ng

We are investigating by Raman microprobe measurements the superconducting and related phases in the LnBa2Cu3O7-x (for x=0 to 1) system where yttrium has been replaced by several of the lanthanide (Ln = Nd,Sm,Eu,Ho,Er) elements. The aim is to relate the observed optical spectra (Raman and fluorescence) to the compositional and structural properties of these solids as part of comprehensive materials characterization. The results are correlated with the methods of synthesis, the processing techniques of these materials, and their superconducting properties. Of relevance is the substitutional chemistry of these isostructural systems, the differences in the spectra, and their microanalytical usefulness for the detection of impurity phases, and the assessment of compositional homogeneity. The Raman spectra of most of these compounds are well understood from accounts in the literature.The materials examined here are mostly ceramic powders prepared by conventional solid state reaction techniques. The bulk samples are of nominally single-phase composition as determined by x-ray diffraction.


Icarus ◽  
2021 ◽  
Vol 356 ◽  
pp. 114098
Author(s):  
Mark R. Showalter ◽  
Susan D. Benecchi ◽  
Marc W. Buie ◽  
William M. Grundy ◽  
James T. Keane ◽  
...  

Nature ◽  
1993 ◽  
Vol 362 (6422) ◽  
pp. 730-732 ◽  
Author(s):  
David Jewitt ◽  
Jane Luu

2003 ◽  
Vol 584 (1) ◽  
pp. L39-L42 ◽  
Author(s):  
William R. Ward
Keyword(s):  

2002 ◽  
Vol 12 ◽  
pp. 214-218
Author(s):  
A. Brunini ◽  
M.D. Melita

AbstractA set of self-consistent simulations of the formation of Uranus and Neptune are performed to study the evolution of the native KBOs in the process. Our main goal is to have a deeper understanding of the impact of the formation of the outer planets on the present orbital structure of the trans-neptunian region. We aim to understand if resonance capture driven by the outward migration of Neptune can actually occur and its interplay with the invasion of massive planetesimals expelled from the Uranus-Neptune region as a byproduct of their formation. Also the putative present existence in the Oort reservoir of a population of objects originated in the Kuiper belt is analyzed.


1998 ◽  
Vol 11 (2) ◽  
pp. 1155-1156
Author(s):  
H.U. Keller

Comets, the most pristine members of our solar system, are faint at large heliocentric distances (rh > 3 au) and therefore difficult to observe. Data reduction of these faint objects (periodic comets) is time consuming and hence most often just preliminary results can be discussed. Only the orbits of short periodic comets can be predicted and most of those that have been accessible for ISO have been covered within the guaranteed time programme. About 10 proposals were accepted by the selection for open time proposals. A target of opportunity team was formed. The outstanding comet Hale-Bopp (C/1995 01), one of the brightest and therefore most active comets of this century, was suggested and accepted as TOO. The important results from the ISO cometary programme are derived from its observations. In addition to the observations of "classic" comets the newly detected (Jewitt and Luu, 1993) transneptunian objects, probably objects from the Kuiper belt, are observed in an attempt to determine their physical properties.


2017 ◽  
Vol 1 (4) ◽  
Author(s):  
Wesley C. Fraser ◽  
Michele T. Bannister ◽  
Rosemary E. Pike ◽  
Michael Marsset ◽  
Megan E. Schwamb ◽  
...  
Keyword(s):  

2007 ◽  
Vol 134 (5) ◽  
pp. 2046-2053 ◽  
Author(s):  
David Jewitt ◽  
Nuno Peixinho ◽  
Henry H. Hsieh

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