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Subject
- photometry[remove]611
- spectroscopy[remove]611
- optical astronomy382
- infrared photometry265
- galaxies214
- redshifted179
- wide-band photometry142
- sloan photometry112
- radial velocity111
- surveys90
- line intensities71
- chemical abundances69
- infrared astronomy68
- quasars59
- galaxy clusters54
- active galactic nuclei50
- stellar spectral types43
- hst photometry41
- supernovae34
- metallicity33