Subject
- late-type stars6
- pre-main sequence stars6
- dwarf stars5
- exoplanets5
- galaxy planes5
- nebulae5
- pulsars5
- carbon stars4
- ccd photometry4
- interferometry4
- interstellar reddening4
- metallicity4
- ob stars4
- planetary nebulae4
- stellar ages4
- ultraviolet astronomy4
- absolute magnitude3
- finding lists3
- h i line emission3
- optical observation3
