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Subject
- surveys39
- stars27
- catalogs24
- spectroscopy21
- galaxies20
- astrometry19
- proper-motions17
- infrared-photometry15
- theoretical-models12
- galaxy-formation11
- galaxy-masses11
- galaxy-photometry11
- h-alpha-photometry10
- h-beta-photometry10
- interstellar-line-emission10
- absolute-magnitude9
- dk1549
- observational-cosmology9
- redshift-surveys9
- galaxy-ages8