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Subject
- open star clusters[remove]836
- photometry[remove]836
- infrared photometry476
- optical astronomy468
- wide-band photometry323
- ccd photometry193
- pre-main sequence stars98
- proper motions97
- radial velocity76
- variable stars59
- x-ray sources53
- line intensities38
- medium band photometry36
- stellar spectral types34
- magellanic clouds32
- young stellar objects29
- h alpha photometry28
- kron-cousins photometry28
- effective temperature26
- stellar masses26