Slide 68
Slide 68 text
Summary
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Extinction measurements are fundamental to understanding dust
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Spectroscopic Extinction from FUV to MIR in Milky Way
– Overall quite smooth, few broad features, DIBs (dust?) only narrow features
– New broad features found in the optical
– Intriguing correlations (or not) between features and gas tracers (esp. H2
)
– One R(V) extinction relationship for all wavelengths
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Beyond Milky Way
– Most of LMC, small fraction of SMC, M31, & M33 → similar to Milky Way
– SMC & LMC2 Supershell region → weaker/non-existent bumps, stronger UV slope
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Future w/ HST and JWST
– More galaxies, more environments, larger samples