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Subject
- infrared photometry[remove]100
- optical astronomy100
- photometry100
- redshifted[remove]100
- wide-band photometry[remove]100
- galaxies48
- surveys41
- spectroscopy22
- active galactic nuclei15
- supernovae14
- catalogs12
- galaxy clusters11
- infrared sources11
- quasars11
- ultraviolet photometry11
- x-ray sources11
- galaxy classification systems7
- astronomical object identification6
- hst photometry6
- gravitational lensing5