FUSE Far Ultraviolet Dust Extinction Curves

Details FUSE Far Ultraviolet Dust Extinction Curves FUSE Far Ultraviolet Dust Extinction Curves

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1135..110g&link_type=abstract

FUTURE DIRECTIONS IN ULTRAVIOLET SPECTROSCOPY: A Conference Inspired by the Accomplishments of the Far Ultraviolet Spectroscopic

Computer Science

Photometric, Polarimetric, And Spectroscopic Instrumentation, Interstellar Dust Grains, Diffuse Emission, Infrared Cirrus, Quasars

Scientific paper

Far-ultraviolet dust extinction curves for 75 sightlines have been created using Far-Ultraviolet Spectroscopic Explorer (FUSE) observations. This represents the largest sample of far-UV extinction curves ever measured. The FUSE archive was searched for all observations of stars with existing good IUE or STIS ultraviolet extinction curves. The H2 absorptions in the FUSE observations were modeled and removed to allow for dust extinction curves to be created. These far-UV extinction curves probe small dust grains. The 75 curves allows for the R(V) dependent relationship (ala CCM89) to put on a firm basis in the far-UV for the first time. For the full details of this work and further analysis, see Gordon et al. (2009, in prep.).

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