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Subject
- optical astronomy731
- photometry731
- sloan photometry[remove]731
- galaxies234
- infrared photometry200
- surveys170
- redshifted164
- spectroscopy112
- quasars108
- galaxy clusters71
- wide-band photometry68
- radial velocity65
- catalogs54
- galaxy classification systems52
- active galactic nuclei49
- ultraviolet photometry49
- multiple stars41
- supernovae41
- variable stars41
- chemical abundances40
