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Subject
- a stars4
- absolute magnitude6
- accretion2
- active galactic nuclei42
- apparent magnitude16
- astrometry2
- astronomical models20
- astronomical object identification4
- atomic physics19
- b stars4
- be stars4
- bl lacertae objects9
- black holes1
- bp stars1
- carbon stars1
- cataclysmic variable stars3
- catalogs25
- ccd photometry3
- chemical abundances29
- chemically peculiar stars9
