Radiation Processing in the Kuiper Belt

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Radiation Processingin the Kuiper Belt
Mike Brown Caltech
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Pluto
Spectrum of pluto
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Pluto
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Pluto
CH4
N2
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C2H2
C2H4
C2H6
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http//en.wikipedia.org/wiki/ImageEightTNOs.png
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Pluto
2005 FY9
(Brown et al 2007)
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CH4
2005 FY9
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2005 FY9
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2005 FY9
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2005 FY9
C2H6
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2005 FY9
C2H6C2H4
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2005 FY9
C2H6C2H4
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2005 FY9
C2H6C2H4C2H2
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CH4
2005 FY9
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CH4
2005 FY9
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C2H2
C2H4
C2H6
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Temperature (K)
Diameter (km)
Schaller Brown ApJL (2007a)
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Temperature (K)
Diameter (km)
Schaller Brown ApJL (2007a)
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Temperature (K)
Diameter (km)
Schaller Brown ApJL (2007a)
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Diameter (km)
Schaller Brown ApJL (2007a)
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Diameter (km)
Schaller Brown ApJL (2007a)
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http//en.wikipedia.org/wiki/ImageEightTNOs.png
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Eris
Brown et al. 2005
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Eris
Alpha N2
Beta N2
No N2 2.148 micron feature detected No CO 2.352
micron feature detected
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http//en.wikipedia.org/wiki/ImageEightTNOs.png
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Diameter (km)
Schaller Brown ApJL (2007a)
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Quaoar - Water ice spectrum
(Jewitt Luu 2004)
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Quaoar Spectrum
Schaller Brown ApJL (2007b)
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Quaoar Spectrum
40 crystalline water ice w/ 10 micron grains
Schaller Brown ApJL (2007b)
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Quaoar with water ice methane model
Water ice
Water icemethane
Schaller Brown ApJL (2007b)
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Quaoar
C2H6
Normalized Reflectance
Schaller Brown ApJL (2007b)
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Quaoar with full spectral model
ethane
methane
methane
methane
35 crystalline water ice, 6 methane, 4 ethane,
55 dark continuum
Schaller Brown ApJL (2007b)
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Eris
2005 FY9
Pluto
Quaoar
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