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Subject
- narrow band photometry[remove]114
- photometry106
- optical astronomy90
- open star clusters16
- variable stars16
- galaxies15
- infrared photometry13
- wide-band photometry13
- radial velocity12
- spectroscopy12
- late-type stars10
- atomic spectroscopy9
- ccd photometry9
- chemical abundances9
- eclipsing binary stars8
- medium band photometry7
- trigonometric parallax7
- astronomical models6
- early-type stars6
- proper motions6
