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Subject
- galaxies[remove]1,941
- photometry[remove]1,941
- optical astronomy721
- infrared photometry661
- redshifted386
- surveys286
- wide-band photometry283
- galaxy classification systems249
- galaxy clusters249
- catalogs248
- infrared sources243
- sloan photometry234
- spectroscopy205
- hst photometry204
- radial velocity124
- globular star clusters114
- ultraviolet photometry110
- redshifted / redshift98
- ccd photometry96
- variable stars92