IIA Institutional Repository

Browsing by Subject "B stars"

Browsing by Subject "B stars"

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  • Simultaneous infrared and H-alpha measurements of Be stars 
    Apparao, K. M. V; Tarafdar, S. P; Verma, R. P; Iyengar, K. V. K; Ghosh, K. K (Indian Academy of Sciences, 1993)
    The observed infrared excess in Be stars is usually interpreted as free-free and free-bound emission from a hot gas envelope around the Be star. This hot gas should also emit H-alpha line radiation. Earlier observations ...
  • Spectrophotometric observations of B type stars HR 1207 and HR 1770 
    Joshi, S. C; Ojha, D. K (Astronomical Society of India, 1991)
    Two high rotational velocity B type stars HR 1207 and HR 1770 have been observed spectrophotometrically. The energy distribution curves of the stars have been compared with model atmospheres in the ultraviolet and visible ...
  • The ultraviolet spectrum of the hydrogen-poor binary HD 30353 
    Parthasarathy, M; Hack, M; Tektunali, G (The European Southern Observatory, 1990-04)
    An analysis is made of the high- and low-resolution UV spectra of the hydrogen-poor star HD 30353. The stellar wind profiles of the resonance lines of N V, C V, and Si IV are found to be similar to those observed in Upsilon ...

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