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Subject
- galaxies[remove]1,015
- optical astronomy[remove]1,015
- photometry721
- infrared photometry343
- wide-band photometry283
- redshifted253
- sloan photometry234
- spectroscopy220
- surveys168
- galaxy classification systems135
- catalogs122
- galaxy clusters117
- chemical abundances83
- radial velocity80
- infrared sources68
- globular star clusters63
- active galactic nuclei62
- ultraviolet photometry58
- x-ray sources52
- h alpha photometry50