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Subject
- absolute magnitude1
- active galactic nuclei6
- apparent magnitude3
- astrometry3
- astronomical models5
- astronomical object identification12
- astrophysical masers31
- atomic physics2
- atomic spectroscopy1
- b stars1
- bl lacertae objects1
- carbon stars1
- catalogs9
- ccd photometry4
- chemical abundances60
- chemically peculiar stars1
- co line emission24
- diffuse molecular clouds3
- dwarf stars1
- early-type stars13
