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Subject
- photometry[remove]870
- surveys[remove]870
- optical astronomy417
- infrared photometry415
- galaxies286
- redshifted194
- sloan photometry170
- wide-band photometry123
- infrared sources116
- spectroscopy90
- quasars83
- variable stars79
- infrared astronomy74
- catalogs71
- x-ray sources69
- proper motions54
- active galactic nuclei51
- redshifted / redshift43
- astronomical object identification42
- ultraviolet photometry42