Multiscale Structure in Dust Reflection and Cold HI

Abstract

I present 2-D angular power spectra of cold HI emission and optical dust reflection tracing the HI in the Pleiades reflection nebula. This analysis reveals a uniform power-law slope of -2.8 over 5 orders of magnitude in scale, from tens of parsecs down to tens of astronomical units.

6 pages, 13 figure panels, to appear in "Small Ionized and Neutral Structures in the Diffuse Interstellar Medium" (ASP Conference Series, eds. Haverkorn + Goss). Image figures are degraded; for full resolution and color, see http://www.naic.edu/~gibson/cv/gibson_sins06.pdf