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Subject
- absolute magnitude2
- apparent magnitude2
- asteroseismology2
- astrometry2
- astronomical models1
- astronomical object identification4
- astrophysical masers1
- ccd photometry1
- chemical abundances3
- co line emission1
- diffuse molecular clouds1
- early-type stars16
- eclipsing binary stars1
- effective temperature6
- extinction6
- galaxies2
- galaxy classification systems2
- galaxy planes1
- giant stars2
- h alpha photometry2