Other
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1135..335k&link_type=abstract
FUTURE DIRECTIONS IN ULTRAVIOLET SPECTROSCOPY: A Conference Inspired by the Accomplishments of the Far Ultraviolet Spectroscopic
Other
1
Stellar Characteristics And Properties, Faint Blue Stars, White Dwarfs, Degenerate Stars, Nuclei Of Planetary Nebulae, Ultraviolet
Scientific paper
The FUSE flux calibration is defined by synthetic spectra of six DA white dwarfs with effective temperatures Teff ranging from 32,800 K to 61,200 K. The LWRS observations of these stars were reprocessed using the final calibration, and the results compared against synthetic spectra. Discrepancies were generally 5% or less, apart from the well-known ``worm'' feature in LiF1B. Discrepancies for GD 246 were significant for the Teff used previously (53,000 K), but are comparable to those for the other stars for a model computed at Teff = 58,700 K. The effects of quasi-molecular satellite features are significant for the coolest star in this sample, and appear to modify the Lyman line profiles at all Teff. Blanketing by weak metal lines in G 191-B2B make use of this star problematic for calibrations accurate to a few percent or better in the FUV.
Chayer Pierre
Dupuis Jean
Kruk Jeffrey W.
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