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Subject
- apparent magnitude1
- astrometry1
- catalogs4
- ccd photometry1
- chemical abundances1
- cosmology9
- early-type stars1
- extinction1
- galactic and extragalactic astronomy9
- galaxies34
- galaxy classification systems5
- galaxy clusters3
- globular star clusters6
- h i line emission1
- hst photometry1
- infrared astronomy1
- infrared photometry13
- infrared sources1
- interferometry1
- late-type stars1