... Ultraviolet spectra of BP Tau observed with HST/GHRS and IUE satellites were ... pre-main sequence stars: individual: BP Tau ultraviolet: stars X-rays: stars 1 ... to the star may be closer than 140 pc but not as extreme as the HIPPARCOS value ...
... from several tenths of a magnitude up to 6 mag in V. The amplitude is considerably greater in the ultraviolet spectral region ... Secondary minima may be absent. An extremely wide range of periods is observed, from 0.2 to >= 10000 days. ...
... from several tenths of a magnitude up to 6 mag in V. The amplitude is considerably greater in the ultraviolet spectral region ... Secondary minima may be absent. An extremely wide range of periods is observed, from 0.2 to >= 10000 days. ...
... a prototype microquasar, but its properties remain extreme for the V1343 Aql whole ... V0803 Cen Extremely hot hydrogen-deficient helium star. ... star the hydrogen emission lines and ultraviolet NQ Gem continuous emission appeared ...
... V0803 Cen Extremely hot hydrogen-deficient helium star. ... the hydrogen emission lines and ultraviolet continuous emission appeared in February ... V0339 Sge Extremely metal-weak. del Sge VB A (B, A = 0.04", P = 7 yr); SB2 (Porb ...