EVOLUTION OF THE SOLAR NEBULA. IX. GRADIENTS IN THE SPATIAL HETEROGENEITY OF THE SHORT-LIVED RADIOISOTOPES 60Fe AND 26Al AND THE STABLE OXYGEN ISOTOPES
被引:18
作者:
Boss, Alan P.
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机构:
Carnegie Inst Sci, Dept Terr Magnetism, Washington, DC 20015 USACarnegie Inst Sci, Dept Terr Magnetism, Washington, DC 20015 USA
Boss, Alan P.
[1
]
机构:
[1] Carnegie Inst Sci, Dept Terr Magnetism, Washington, DC 20015 USA
Short-lived radioisotopes (SLRIs) such as Fe-60 and Al-26 were likely injected into the solar nebula in a spatially and temporally heterogeneous manner. Marginally gravitationally unstable (MGU) disks, of the type required to form gas giant planets, are capable of rapid homogenization of isotopic heterogeneity as well as of rapid radial transport of dust grains and gases throughout a protoplanetary disk. Two different types of new models of an MGU disk in orbit around a solar-mass protostar are presented. The first set has variations in the number of terms in the spherical harmonic solution for the gravitational potential, effectively studying the effect of varying the spatial resolution of the gravitational torques responsible for MGU disk evolution. The second set explores the effects of varying the initial minimum value of the Toomre Q stability parameter, from values of 1.4 to 2.5, i. e., toward increasingly less unstable disks. The new models show that the basic results are largely independent of both sets of variations. MGU disk models robustly result in rapid mixing of initially highly heterogeneous distributions of SLRIs to levels of similar to 10% in both the inner (< 5 AU) and outer (> 10 AU) disk regions, and to even lower levels (similar to 2%) in intermediate regions, where gravitational torques are most effective at mixing. These gradients should have cosmochemical implications for the distribution of SLRIs and stable oxygen isotopes contained in planetesimals (e. g., comets) formed in the giant planet region (similar to 5 to similar to 10 AU) compared to those formed elsewhere.
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Sargent, B. A.
;
Forrest, W. J.
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h-index: 0
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Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Forrest, W. J.
;
Tayrien, C.
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h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Tayrien, C.
;
McClure, M. K.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
McClure, M. K.
;
Li, A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Missouri, Dept Phys & Astron, Columbia, MO 65211 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Li, A.
;
Basu, A. R.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Rochester, Dept Earth & Environm Sci, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Basu, A. R.
;
Manoj, P.
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h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Manoj, P.
;
Watson, D. M.
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h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Watson, D. M.
;
Bohac, C. J.
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h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Bohac, C. J.
;
Furlan, E.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
Univ Calif Los Angeles, NASA, Astrobiol Inst, Los Angeles, CA 90095 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Furlan, E.
;
Kim, K. H.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Kim, K. H.
;
Green, J. D.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Green, J. D.
;
Sloan, G. C.
论文数: 0引用数: 0
h-index: 0
机构:
Cornell Univ, Ctr Radiophys & Space Res, Ithaca, NY 14853 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
机构:
NASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Univ Calif Berkeley, Ctr Isotope Geochem, Berkeley, CA 94720 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Simon, Justin I.
;
Hutcheon, Ian D.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Livermore, CA 94551 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Hutcheon, Ian D.
;
Simon, Steven B.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Chicago, Dept Geophys Sci, Chicago, IL 60637 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Simon, Steven B.
;
Matzel, Jennifer E. P.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Livermore, CA 94551 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Matzel, Jennifer E. P.
;
Ramon, Erick C.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Livermore, CA 94551 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Ramon, Erick C.
;
Weber, Peter K.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Livermore, CA 94551 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Weber, Peter K.
;
Grossman, Lawrence
论文数: 0引用数: 0
h-index: 0
机构:
Univ Chicago, Dept Geophys Sci, Chicago, IL 60637 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Grossman, Lawrence
;
DePaolo, Donald J.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Ctr Isotope Geochem, Berkeley, CA 94720 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
机构:
Univ Calif Berkeley, Ctr Isotope Geochem Earth & Planetary Sci, Berkeley, CA 94720 USAUniv Calif Berkeley, Ctr Isotope Geochem Earth & Planetary Sci, Berkeley, CA 94720 USA
Simon, Justin I.
;
DePaolo, Donald J.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Ctr Isotope Geochem Earth & Planetary Sci, Berkeley, CA 94720 USAUniv Calif Berkeley, Ctr Isotope Geochem Earth & Planetary Sci, Berkeley, CA 94720 USA
DePaolo, Donald J.
;
Moynier, Frederic
论文数: 0引用数: 0
h-index: 0
机构:
Washington Univ, McDonnell Ctr Space Sci, St Louis, MO 63130 USAUniv Calif Berkeley, Ctr Isotope Geochem Earth & Planetary Sci, Berkeley, CA 94720 USA
机构:
Univ Chicago, Dept Geophys Sci, Chicago, IL 60637 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Simon, S. B.
;
Joswiak, D. J.
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h-index: 0
机构:
Univ Washington, Dept Astron, Seattle, WA 98195 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Joswiak, D. J.
;
Ishii, H. A.
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h-index: 0
机构:
Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Ishii, H. A.
;
Bradley, J. P.
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h-index: 0
机构:
Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Bradley, J. P.
;
Chi, M.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USA
Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Chi, M.
;
Grossman, L.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Grossman, L.
;
Aleon, J.
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h-index: 0
机构:
Lawrence Livermore Natl Lab, Glenn T Seaborg Inst, Livermore, CA 94551 USA
Ctr Spectrometrie Nucl & Spectrometrie Masse, F-91405 Orsay, FranceUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Aleon, J.
;
Brownlee, D. E.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Washington, Dept Astron, Seattle, WA 98195 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Brownlee, D. E.
;
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机构:
Fallon, S.
;
Hutcheon, I. D.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USA
Lawrence Livermore Natl Lab, Glenn T Seaborg Inst, Livermore, CA 94551 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Hutcheon, I. D.
;
Matrajt, G.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Washington, Dept Astron, Seattle, WA 98195 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Matrajt, G.
;
McKeegan, K. D.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Los Angeles, Dept Earth & Space Sci, Los Angeles, CA 90095 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Sargent, B. A.
;
Forrest, W. J.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Forrest, W. J.
;
Tayrien, C.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Tayrien, C.
;
McClure, M. K.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
McClure, M. K.
;
Li, A.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Missouri, Dept Phys & Astron, Columbia, MO 65211 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Li, A.
;
Basu, A. R.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Rochester, Dept Earth & Environm Sci, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Basu, A. R.
;
Manoj, P.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Manoj, P.
;
Watson, D. M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Watson, D. M.
;
Bohac, C. J.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Bohac, C. J.
;
Furlan, E.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA
Univ Calif Los Angeles, NASA, Astrobiol Inst, Los Angeles, CA 90095 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Furlan, E.
;
Kim, K. H.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Kim, K. H.
;
Green, J. D.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
Green, J. D.
;
Sloan, G. C.
论文数: 0引用数: 0
h-index: 0
机构:
Cornell Univ, Ctr Radiophys & Space Res, Ithaca, NY 14853 USAUniv Rochester, Dept Phys & Astron, Rochester, NY 14627 USA
机构:
NASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Univ Calif Berkeley, Ctr Isotope Geochem, Berkeley, CA 94720 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Simon, Justin I.
;
Hutcheon, Ian D.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Livermore, CA 94551 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Hutcheon, Ian D.
;
Simon, Steven B.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Chicago, Dept Geophys Sci, Chicago, IL 60637 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Simon, Steven B.
;
Matzel, Jennifer E. P.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Livermore, CA 94551 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Matzel, Jennifer E. P.
;
Ramon, Erick C.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Livermore, CA 94551 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Ramon, Erick C.
;
Weber, Peter K.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Livermore, CA 94551 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Weber, Peter K.
;
Grossman, Lawrence
论文数: 0引用数: 0
h-index: 0
机构:
Univ Chicago, Dept Geophys Sci, Chicago, IL 60637 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
Grossman, Lawrence
;
DePaolo, Donald J.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Ctr Isotope Geochem, Berkeley, CA 94720 USANASA, Lyndon B Johnson Space Ctr, Astromat Res Off KR111, Houston, TX 77058 USA
机构:
Univ Calif Berkeley, Ctr Isotope Geochem Earth & Planetary Sci, Berkeley, CA 94720 USAUniv Calif Berkeley, Ctr Isotope Geochem Earth & Planetary Sci, Berkeley, CA 94720 USA
Simon, Justin I.
;
DePaolo, Donald J.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Ctr Isotope Geochem Earth & Planetary Sci, Berkeley, CA 94720 USAUniv Calif Berkeley, Ctr Isotope Geochem Earth & Planetary Sci, Berkeley, CA 94720 USA
DePaolo, Donald J.
;
Moynier, Frederic
论文数: 0引用数: 0
h-index: 0
机构:
Washington Univ, McDonnell Ctr Space Sci, St Louis, MO 63130 USAUniv Calif Berkeley, Ctr Isotope Geochem Earth & Planetary Sci, Berkeley, CA 94720 USA
机构:
Univ Chicago, Dept Geophys Sci, Chicago, IL 60637 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Simon, S. B.
;
Joswiak, D. J.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Washington, Dept Astron, Seattle, WA 98195 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Joswiak, D. J.
;
Ishii, H. A.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Ishii, H. A.
;
Bradley, J. P.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Bradley, J. P.
;
Chi, M.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USA
Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Chi, M.
;
Grossman, L.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Grossman, L.
;
Aleon, J.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Glenn T Seaborg Inst, Livermore, CA 94551 USA
Ctr Spectrometrie Nucl & Spectrometrie Masse, F-91405 Orsay, FranceUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Aleon, J.
;
Brownlee, D. E.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Washington, Dept Astron, Seattle, WA 98195 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Brownlee, D. E.
;
论文数: 引用数:
h-index:
机构:
Fallon, S.
;
Hutcheon, I. D.
论文数: 0引用数: 0
h-index: 0
机构:
Lawrence Livermore Natl Lab, Inst Geophys & Planetary Phys, Livermore, CA 94550 USA
Lawrence Livermore Natl Lab, Glenn T Seaborg Inst, Livermore, CA 94551 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Hutcheon, I. D.
;
Matrajt, G.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Washington, Dept Astron, Seattle, WA 98195 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA
Matrajt, G.
;
McKeegan, K. D.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Calif Los Angeles, Dept Earth & Space Sci, Los Angeles, CA 90095 USAUniv Chicago, Dept Geophys Sci, Chicago, IL 60637 USA