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INFRARED AURORAE IN THE SOLAR SYSTEM Infrared Aurorae in the Solar System Tom Stallard ATMOSPHERIC PHYSICS LABORATORY DEPARTMENT OF PHYSICS AND ASTROMONY.

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Presentation on theme: "INFRARED AURORAE IN THE SOLAR SYSTEM Infrared Aurorae in the Solar System Tom Stallard ATMOSPHERIC PHYSICS LABORATORY DEPARTMENT OF PHYSICS AND ASTROMONY."— Presentation transcript:

1 INFRARED AURORAE IN THE SOLAR SYSTEM Infrared Aurorae in the Solar System Tom Stallard ATMOSPHERIC PHYSICS LABORATORY DEPARTMENT OF PHYSICS AND ASTROMONY Steve Miller, Henrik Melin, Makenzie Lystrup and the Cassini community, especially: Emma Bunce, Chris Arridge, Nick Achilleos and Michele Dougherty

2 INFRARED AURORAE IN THE SOLAR SYSTEM H 3 + formation H 2 + h =H 2 + + e H 2 + e*=H 2 + + e + e H 2 + + H 2 =H 3 + + H H 3 + destruction H 3 + + X=HX + + H 2 H 3 + + e - =H + H 2 Hydrocarbons

3 INFRARED AURORAE IN THE SOLAR SYSTEM Infrared (Connerney et al) Ultraviolet (Clarke et al) Imaging: Jupiter

4 INFRARED AURORAE IN THE SOLAR SYSTEM Saturn

5 INFRARED AURORAE IN THE SOLAR SYSTEM Uranus

6 INFRARED AURORAE IN THE SOLAR SYSTEM Spectroscopy: Jupiter

7 INFRARED AURORAE IN THE SOLAR SYSTEM Multiple line spectroscopy provides: emission intensities temperature composition cooling rates vertical thermal profile atmospheric densities

8 INFRARED AURORAE IN THE SOLAR SYSTEM IR observations of Jupiter

9 INFRARED AURORAE IN THE SOLAR SYSTEM Temperature

10 INFRARED AURORAE IN THE SOLAR SYSTEM Cooling

11 INFRARED AURORAE IN THE SOLAR SYSTEM Ion Winds

12 INFRARED AURORAE IN THE SOLAR SYSTEM

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14 High resolution observations of Saturn

15 INFRARED AURORAE IN THE SOLAR SYSTEM

16 Compared with the UV emission

17 INFRARED AURORAE IN THE SOLAR SYSTEM 1.3” smear

18 INFRARED AURORAE IN THE SOLAR SYSTEM Infilled Extended Flanks

19 INFRARED AURORAE IN THE SOLAR SYSTEM

20 Saturn Jupiter

21 INFRARED AURORAE IN THE SOLAR SYSTEM Saturn Jupiter Co-rotation breakdown

22 INFRARED AURORAE IN THE SOLAR SYSTEM Saturn Jupiter Co-rotation breakdownOuter effects


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