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Subject
- ccd photometry[remove]706
- photometry706
- optical astronomy282
- wide-band photometry210
- infrared photometry202
- open star clusters193
- variable stars126
- globular star clusters107
- galaxies96
- eclipsing binary stars66
- multiple stars40
- galaxy clusters36
- magellanic clouds33
- radial velocity33
- astrometry24
- medium band photometry21
- proper motions21
- solar system planets21
- kron-cousins photometry18
- surveys18
