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Observing Solar System Objects with JWST. Dr. Heidi B. Hammel AURA (Washington, DC) & Space Science Institute (Boulder, CO). Observing Solar System Objects with JWST. “objects with z << 1”. Dr. Heidi B. Hammel AURA (Washington, DC) & Space Science Institute (Boulder, CO).
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Observing Solar System Objects with JWST Dr. Heidi B. Hammel AURA (Washington, DC) & Space Science Institute (Boulder, CO)
Observing Solar System Objects with JWST “objects with z << 1” Dr. Heidi B. Hammel AURA (Washington, DC) & Space Science Institute (Boulder, CO)
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, … Heidi Kyle Nancy Dean
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
JWST white paper by Lunineet al. (2010) JWST Planetary Observations within the Solar System http://www.stsci.edu/jwst/doc-archive/white-papers/JWST_Solar_System.pdf
Mercury? No.
Venus? No.
Earth? No.
Mars? maybe...
methane outbursts see lunine et al. (2010) white paper
comet vs circumstellar disk see lunine et al. (2010) white paper
Jupiter? probably only with MIRI MRS/IFU
Jupiter’s moons? maybe…
Saturn? probably only with MIRI MRS/IFU
Saturn’s moon, esp Titan? maybe…
Titan spectra see lunine et al. (2010) white paper
Uranus? Yes!
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? CH4 C2H2 C2H6 S(1) H2 quadrupole
Uranus in the mid infrared 2006 September 3 VLT/VISIR 18.7-μm image G. Orton and colleagues O MIRI resolution
20-year evolution of atmospherictemperatures on Uranus Comparisonwithsimulated image based on Voyager IRIS T(p,lat.) 2006 September 3, VLT/VISIR 18.7-μm image ← cold pole ← warm pole Uranus deconvolved Uranus simulation based on Voyager (PIXON) IRIS results, c. 1986 O MIRI resolution
Neptune? Yes!
Neptune’s Stratospheric Emission CH4C2H6 Δt =6.83 hrs Δt =2.25 hrs O MIRI resolution O
Kuiper Belt Objects? Yes!
Kuiper Belt Objects see keithnoll’s poster at this conference for up-to-date presentation
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