1. Observing Solar System Objects with JWST Dr. Heidi B. Hammel AURA (Washington, DC) & Space Science Institute (Boulder, CO)

2. Dr. Heidi B. Hammel AURA (Washington, DC) & Space Science Institute (Boulder, CO) Observing Solar System Objects with JWST “objects with z << 1”

3. collaborator acknowledgements Direct collaborators on today’s presentation Kyle Uckert (NMSU) Nancy Chanover (NMSU) Dean Hines (STSci) Webb GTO Solar System Team Jonathan Lunine, Heidi Hammel, George Rieke, Marcia Rieke, George Sonneborn, John Stansberry, Don McCarthy, Chas Beichmann, … Additional participation Glenn Orton, Will Grundy, Emily Schaller, Mike Brown, … HeidiKyleDeanNancy

4. Who was James Webb? NASA Administrator 1961 – 1968 Architect of the Apollo Program Strong supporter of science Initiated NASA’s space program: 75 space science missions flew during his tenure

5. http://www.stsci.edu/jwst/doc-archive/white-papers/JWST_Solar_System.pdf JWST white paper by Lunine et al. (2010) JWST Planetary Observations within the Solar System

6. Mercury? No.

7. Venus? No.

8. Earth? No.

9. Mars? maybe...

10. methane outbursts see lunine et al. (2010) white paper

11. asteroids, comets, etc? yes

12. comet vs circumstellar disk see lunine et al. (2010) white paper

13. Jupiter? probably only with MIRI MRS/IFU

14. Jupiter’s moons? maybe…

15. Saturn? probably only with MIRI MRS/IFU

16. Saturn’s moon, esp Titan? maybe…

17. Titan spectra see lunine et al. (2010) white paper

18. Uranus? Yes!

19. Uranus spectra

20. Uranus – take it to the limits

21. Uranus Longitude-Resolved Spitzer Spectra Comparison of 4 longitudes vs. mean of all four reveals variation in hydrocarbons To what spatial feature does this correspond? CH 4 C2H6C2H6 C2H2C2H2 S(1) H 2 quadrupole

22. Uranus in the mid infrared 2006 September 3 VLT/VISIR 18.7-μm image G. Orton and colleagues O MIRI resolution

23. 20-year evolution of atmospheric temperatures on Uranus Comparison with simulated image based on Voyager IRIS T(p,lat.) 2006 September 3, VLT/VISIR 18.7-μm image Uranus deconvolved Uranus simulation based on Voyager (PIXON) IRIS results, c. 1986 ← cold pole ← warm pole O MIRI resolution

24. Uranus with JWST/MIRI

25. Uranus with JWST/NIRSPEC

26. Neptune? Yes!

27. Neptune spectra

28. Neptune - too hot to handle

29. Neptune’s Stratospheric Emission CH 4 C 2 H 6 Δt =6.83 hrs Δt =2.25 hrs O MIRI resolution O

30. Neptune with JWST/MIRI

31. Neptune with JWST/NIRSPEC

32. Kuiper Belt Objects? Yes!

33. Kuiper Belt Objects see keith noll’s poster at this conference for up-to-date presentation

34. Summary Wide range of interesting planetary phenomena observable by JWST, especially for the outer Solar System http://www.stsci.edu/jwst/doc-archive/white-papers/JWST_Solar_System.pdf