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Subject
- horizontal branch stars[remove]84
- photometry34
- chemical abundances30
- globular star clusters26
- optical astronomy21
- radial velocity15
- spectroscopy14
- line intensities10
- infrared photometry9
- variable stars9
- giant stars8
- wide-band photometry8
- metallicity7
- stellar distance7
- sloan photometry6
- subdwarf stars6
- galaxies5
- milky way galaxy5
- ccd photometry4
- effective temperature4
