Other
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21341212j&link_type=abstract
American Astronomical Society, AAS Meeting #213, #412.12; Bulletin of the American Astronomical Society, Vol. 41, p.219
Other
Scientific paper
Perhaps more than almost any other subject of astrophysical study, the interstellar medium can be studied at any wavelength, from gamma rays to the radio, with each waveband providing unique and significant information. However, there are substantial limitations on the available data. One important limitation is that very few lines of sight have been adequately observed in both wavebands of a potentially enlightening combination, such as the UV and the IR. This in turn restricts our understanding of topics as fundamental as interstellar abundances and dust composition. In this poster, I will review the reasons that such data limitations exist, what waveband combinations would be useful, what scientific insight would be gained from those combinations, and what the prospects are for the future. I will also specifically describe two accepted observing programs that will, in the near future, utilize a multiwavelength approach in studying dust. The first is a Chandra/HST program that will provide unique insight into dust composition by disentangling the gas-phase and dust-phase abundances of oxygen and iron. The second is a Spitzer/HST program that will examine the extinction curves of possible "translucent clouds" at wavelengths from the UV to the IR.
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