Subject
- stellar spectral types45
- trigonometric parallax44
- astronomical object identification42
- late-type stars38
- young stellar objects38
- infrared astronomy36
- medium band photometry36
- multiple stars35
- stellar distance34
- early-type stars31
- astrometry30
- dwarf stars29
- stellar ages29
- stellar populations29
- h alpha photometry28
- kron-cousins photometry28
- globular star clusters27
- infrared sources27
- h ii regions24
- metallicity24
