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Subject
- galaxies[remove]661
- infrared photometry[remove]661
- photometry661
- optical astronomy343
- wide-band photometry224
- infrared sources147
- redshifted138
- surveys108
- catalogs86
- spectroscopy75
- sloan photometry53
- ultraviolet photometry52
- galaxy classification systems51
- galaxy clusters47
- active galactic nuclei37
- giant stars37
- variable stars37
- globular star clusters31
- hst photometry31
- radial velocity31