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Subject
- a stars1
- active galactic nuclei7
- ap stars12
- apparent magnitude1
- astronomical models14
- astrophysical masers3
- atomic physics3
- b stars3
- be stars3
- bl lacertae objects1
- black holes1
- bp stars1
- brown dwarfs1
- cataclysmic variable stars1
- catalogs2
- ccd photometry2
- chemical abundances4
- chemically peculiar stars1
- dwarf stars8
- early-type stars7
