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Subject
- and infrared astronomy2
- apparent magnitude1
- astrometry1
- catalogs4
- ccd photometry2
- chemical abundances3
- cosmology9
- dark matter1
- early-type stars1
- extinction1
- extra-galactic stars1
- galactic and extragalactic astronomy16
- galactic evolution1
- galatic evolution2
- galaxies52
- galaxy classification systems6
- galaxy clusters4
- galaxy evolution1
- galaxy evolution and structure1
- globular clusters1
