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[vsnet-campaign-be 244] FWHM of Del Sco H Alpha Line



I measured the Full Width at Half Maximum (FWHM) of the H Alpha line on a spectrum of mine taken on 07/22/02 UT of del Sco and got 9.5 +/- 1.5 Angstrom.  I measured my most recent spectrum http://members.aol.com/dwest61506/page78.html taken on 07/12/03 and obtained a FWHM of 10.1 +/- 1.5 Angstrom.  Both measurements have been corrected for instrumental effects.  Based on the values and the error estimates I would conclude that there hasn't been any significant change in the FWHM of the H Alpha line in del Sco in the last year.

Regards,

Doug West
http://hometown.aol.com/dwest61506/index.html