Sentences with phrase «type subdwarf»
Not exact matches
The central star of M27 is quite bright at mag 13.5, and an extremely hot blueish subdwarf dwarf at about 85,000 K (so the spectral type is given as O7 in the Sky Catalog 2000).
http://www.maa.clell.de/
Unusually faint for its spectral type, Groombridge 1830 is a yellow - orange halo subdwarf star of spectral and luminosity type sdG8p / VI.