Subject
- asteroids19
- young stellar objects19
- astrometry18
- ccd photometry18
- h alpha photometry18
- galaxy planes16
- trigonometric parallax16
- gravitational lensing15
- apparent magnitude13
- effective temperature11
- giant stars11
- late-type stars11
- metallicity11
- photographic photometry11
- absolute magnitude10
- m stars10
- dwarf stars9
- interstellar reddening9
- open star clusters9
- stellar associations9