Subject
- population ii stars5
- white dwarf stars5
- wolf-rayet stars5
- accretion4
- early-type stars4
- halo stars4
- photographic photometry4
- stellar evolutionary models4
- variability4
- x-ray4
- x-ray astronomy4
- atomic spectroscopy3
- dwarf stars3
- emission line stars3
- galaxy-luminosities3
- h beta photometry3
- hot stars3
- south galactic pole3
- white dwarfs3
- atomic physics2