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Ultraviolet Spectrophotometry of VV Cephei

Kang, Young Woon

The IUE archival spectra of VV Cephei were collected to investigate the eclipse nature in the ultraviolet. The temperature of the B star has been determined, as approximately 30000K, based on the flux distributions during egress. Light curves of VV Cephei were reduced from the spectrophotometry of the IUE archival spectra. Three light curves at th…

M ¥± Line Variation of 32 Cygni

Kang, Young Woon

The Mg ¥± lines have been extracted from the IUE archival spectra of 32 Cygni to investigate the effect of the atmospheric eclipse. The UV light curve has been reduced from the continuum flux at the center wavelength of 2807.5 Å in the IUE spectra. The equivalent width of the Mg ¥± k absoption line has been measured for each spectra. The results o…