Gauba, G; Parthasarathy, M; Nakada, Y; Fujii, T
(EDP Sciences, 2001-07)
We present an analysis of the UV (IUE) spectra of the central stars of Hb7 and Sp3. Comparison with the IUE spectrum of the standard star HD 93205 leads to a spectral classification of O3V for these stars, with an effective ...