Antonin H. Bouchez Graduate Student in Planetary Science, 2nd year Hometown: Leiden, Netherlands Education: BA Physics, UC Berkeley 1995 Current Research: Surface of Titan

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Research Activites:

• Speckle Imaging of Titan's Surface We are engaged in an ongoing project to map the surface of Saturn's moon Titan using speckle interferometry on the Keck I telescope. The surface of Titan is hidden at visible wavelengths by a thick, hazy atmosphere. Observing at wavelengths longward of 1 micron, however, it is possible to penetrate this haze. The technique of speckle interferometry used on a 10-m telescope allows us to achieve a resolution of 0.05 arcseconds at 2 microns, or 300 km at Titan's distance. Maps in 3 near-infrared bands (J, H, and K') will allow us to constrain compositional variations.

Selected Publications:

• The response of Jupiter's magnetosphere to an outburst on Io M.E. Brown and A.H. Bouchez Science 278, 268-271, 1997.
• A high-resolution catalogue of cometary emission lines M.E. Brown, A.H. Bouchez, H. Spinrad, and C.M. Johns-Krull Astron.J., 112, 1197-1202, 1996.
• Non-detection of the OH Meinel system in comet P/Swift-Tuttle M.E. Brown, A.H. Bouchez, H. Spinrad, C.M. Johns Astron. and Astrophys., 301, L1-L4, 1995.
• Comet Shoemaker-Levy 9: No effect on the Io plasma torus M.E. Brown, E.J. Moyer, A.H. Bouchez, H. Spinrad Geophys. Res. Lett., 22, 1833-1835, 1995.

• Velocities and sources of sodium in Hale-Bopp M.E. Brown, A.H. Bouchez, H. Spinrad, A. Misch Icarus, in press.
• Observations of the ion pile-up in comets Hale-Bopp and Hyakutake A.H. Bouchez, M.E. Brown, H. Spinrad, and A. Misch Icarus, in press.

Other Interests:

• Hiking
• Mountain Biking
• Mountaineering

Links:

Contact:

Email: antonin@gps.caltech.edu

Webpage:http://www.gps.caltech.edu/~antonin

Office: 626.395.6961

Department of Geology and Planetary Sciences
Caltech 150-21
Pasadena, CA 91125