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Subject
- north galactic pole[remove]27
- photometry10
- optical astronomy6
- galaxies5
- radial velocity5
- surveys4
- polarimetry3
- proper motions3
- radio astronomy3
- radio sources3
- sloan photometry3
- stellar spectral types3
- apparent magnitude2
- chemical abundances2
- ddo photometry2
- metallicity2
- redshifted / redshift2
- spectroscopy2
- vilnius photometry2
- a stars1
