Subject
- trigonometric parallax7
- effective temperature6
- extinction6
- stellar masses6
- surveys6
- ultraviolet astronomy6
- infrared astronomy5
- morgan-keenan classification5
- variable stars5
- astronomical object identification4
- interstellar reddening4
- line intensities4
- stellar ages4
- supergiant stars4
- chemical abundances3
- nebulae3
- radio astronomy3
- spectral energy distribution3
- stellar radii3
- ultraviolet photometry3
