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Subject
- absolute magnitude1
- active galactic nuclei25
- apparent magnitude1
- astronomical models12
- astronomical object identification3
- astronomical reference materials1
- astrophysical masers1
- atomic physics1
- be stars1
- bl lacertae objects10
- carbon stars1
- cataclysmic variable stars2
- catalogs2
- chemical abundances2
- dwarf stars1
- early-type stars1
- eclipsing binary stars1
- effective temperature1
- emission line stars2
- extinction3