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Subject
- infrared photometry[remove]254
- open star clusters[remove]254
- optical astronomy254
- photometry254
- wide-band photometry[remove]254
- ccd photometry80
- pre-main sequence stars28
- h alpha photometry21
- proper motions19
- radial velocity19
- x-ray sources17
- variable stars16
- kron-cousins photometry12
- astronomical object identification10
- line intensities9
- effective temperature8
- stellar spectral types7
- chemical abundances6
- polarimetry6
- eclipsing binary stars5