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19 April 2024 |
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The unusual volatile composition of the Halley-type comet 8P/Tuttle: Addressing the existence of an Inner Oort Cloud | | H. Boehnhardt
; M. J. Mumma
; G. L. Villanueva
; M. A. DiSanti
; B. P. Bonev
; M. Lippi
; H. U. Kaeufl
; | | Date: |
24 Jul 2008 | | Abstract: | We measured organic volatiles (CH4, CH3OH, C2H6, H2CO), CO, and water in
comet 8P/Tuttle, a comet from the Oort cloud reservoir now in a short-period
Halley-type orbit. We compare its composition with two other comets in
Halley-type orbits, and with comets of the "organics-normal" and
"organics-depleted" classes. Chemical gradients are expected in the
comet-forming region of the proto-planetary disk, and an individual comet
should reflect its specific heritage. If Halley-type comets came from the inner
Oort cloud as proposed, we see no common characteristics that could distinguish
such comets from those that were stored in the outer Oort cloud. | | Source: | arXiv, 0807.3943 | | Services: | Forum | Review | PDF | Favorites | |
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