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Subject
- parallax[remove]15
- spectroscopy14
- optical astronomy9
- photometry6
- proper motions6
- radial velocity6
- stellar spectral types6
- trigonometric parallax5
- wide-band photometry4
- stellar masses3
- astrometry2
- dwarf stars2
- effective temperature2
- infrared photometry2
- m stars2
- milky way galaxy2
- multiple stars2
- open star clusters2
- stellar associations2
- absolute magnitude1
