Subject
- x-ray sources191
- globular star clusters184
- stellar spectral types180
- supernovae156
- magellanic clouds149
- giant stars141
- chemical abundances130
- stellar masses124
- effective temperature123
- ultraviolet photometry122
- active galactic nuclei121
- line intensities120
- quasars120
- late-type stars118
- stellar associations118
- h ii regions113
- stellar distance111
- astronomical object identification108
- dwarf stars102
- molecular clouds102