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Subject
- optical astronomy2,089
- photometry2,089
- wide-band photometry[remove]2,089
- infrared photometry1,481
- open star clusters324
- variable stars303
- galaxies283
- ccd photometry210
- eclipsing binary stars198
- radial velocity177
- globular star clusters174
- spectroscopy142
- supernovae140
- surveys123
- magellanic clouds115
- redshifted111
- ultraviolet photometry102
- chemical abundances99
- x-ray sources89
- proper motions88
