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H 3 +, in planetary Ionospheres: Emission Spectrum 岡 武史 Department of Astronomy and Astrophysics, Departmen of Chemistry and The Enrico Fermi Institute,

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Presentation on theme: "H 3 +, in planetary Ionospheres: Emission Spectrum 岡 武史 Department of Astronomy and Astrophysics, Departmen of Chemistry and The Enrico Fermi Institute,"— Presentation transcript:

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2 H 3 +, in planetary Ionospheres: Emission Spectrum 岡 武史 Department of Astronomy and Astrophysics, Departmen of Chemistry and The Enrico Fermi Institute, The University of Chicago COE Symposium, Kobe University, November 17, 2003

3 Chemical Evolution of Star-forming Regions E. F. van Dishoeck & G. A. Blake Annual Review of A & A 1998

4 H 3 + Vibration-rotation spectrum T. Oka, Phys. Rev. Lett. 45, 531 (1980) Ortho Para T = 30 K → T = 1000 K Interstellar H 3 + Planetary H 3 +

5 Serendipitous Discovery of the 2 2 →0 H 3 + Emission in the Auroral Region of Jupiter Trafton, Lester, Thompson, ApJ 343 L73 (1989)

6 The Intense and Pure 2 →0 H 3 + Emission Maillard, Drossart, Watson, Kim, Caldwell, ApJ 363 L37 (1990)

7 Background Free Emission !! Geballe, Jagod, Oka

8 Metallic Hydrogen

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10 Io Volcano

11 Oka, Revs. Modern Phys. 64 1141 (1992)

12 Magnetohydrodynamic plasma of Jupiter H 3 + aurora

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14 Background Free Emission Geballe, Jagod, Oka

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16 Giant Planets

17 Saturn and Uranus T. R. Geballe, M.-F. Jagod, & T. Oka, ApJ. 408, L109 (1993) L. M. Trafton, et al., ApJ. 405, 761 (1993)

18 Uranus

19 Chemical Evolution of Star-forming Regions E. F. van Dishoeck & G. A. Blake Annual Review of A & A 1998

20 Nature, 418, 57 (2002) Nature, 418, 31 (2002)

21 Exo-planets

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23 Active galactic nuclei Gas giant protoplanet Ubiquitous H 3 +


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