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Subject
- photometry[remove]8,447
- optical astronomy4,002
- infrared photometry3,725
- wide-band photometry2,089
- galaxies1,950
- variable stars1,063
- surveys870
- open star clusters838
- sloan photometry731
- radial velocity710
- ccd photometry706
- redshifted693
- globular star clusters616
- spectroscopy611
- multiple stars555
- eclipsing binary stars488
- infrared sources469
- galaxy clusters449
- proper motions379
- x-ray sources349
