Deep Impact. By: Ashley King. Visual obstruction of the edge of the comet by the ejecta. T= 0.001(s). T= 1.747(s). T= 5.482(s). T= 3.615(s). Comparing light intensity before and after impact. Line A, t= 1.747(s). Intensity after Impact . Ejecta Fit is subtracted out. W/[m^2 sr um].
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By: Ashley King
Line A, t= 1.747(s)
Intensity after Impact
Ejecta Fit is subtracted out
W/[m^2 sr um]
Intensity of edge before impact (I0)
I/I0 = e^(- τ )
τ = Optical Depth
Final Intensity (I)
The data will be used to determine properties of the cometary nucleus:
Current research indicates :
A’Hearn, M. F., M. J. S. Belton, W. A. Delamere, J. Kissel, K. P. Klaasen, L. A. McFadden, et al.: 2005, Science310, 258.
Groussin, O., M. F. A’Hearn, J.-Y. Li, P. C. Thomas, J. M. Sunshine, C. M. Lisse, et al.: 2007, Icarus187, 16.
Schultz, P. H., C. M. Ernst, J. B. Anderson: 2005, Space Sci. Rev. 117, 207.