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Subject
- absolute magnitude10
- accretion1
- active galactic nuclei51
- apparent magnitude13
- asteroids19
- asteroseismology2
- astrographic catalogs1
- astrometry18
- astronomical models7
- astronomical object identification42
- astrophysical masers1
- b stars1
- be stars1
- bl lacertae objects3
- brown dwarfs6
- carbon stars6
- cataclysmic variable stars3
- catalogs71
- ccd photometry18
- chemical abundances23