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Subject
- radial velocity[remove]1,558
- photometry493
- optical astronomy379
- galaxies310
- chemical abundances307
- spectroscopy259
- open star clusters200
- infrared photometry190
- proper motions184
- globular star clusters160
- line intensities153
- multiple stars152
- giant stars144
- metallicity133
- galaxy clusters127
- wide-band photometry123
- effective temperature113
- milky way galaxy105
- spectroscopic binary stars94
- stellar distance94