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Subject
- surveys40
- stars39
- catalogs28
- spectroscopy26
- galaxies24
- astrometry21
- proper-motions17
- infrared-photometry16
- theoretical-models12
- galaxy-formation11
- galaxy-masses11
- galaxy-photometry11
- redshift-surveys11
- h-alpha-photometry10
- h-beta-photometry10
- interstellar-line-emission10
- observational-cosmology10
- absolute-magnitude9
- dk1549
- active-galactic-nuclei8