Subject
- radio astronomy3
- stellar associations3
- surveys3
- ultraviolet astronomy3
- apparent magnitude2
- astronomical models2
- ccd photometry2
- chemical abundances2
- extinction2
- giant stars2
- interstellar medium2
- line intensities2
- magnetic fields2
- milky way galaxy2
- star atlases2
- supergiant stars2
- trigonometric parallax2
- x-ray sources2
- absolute magnitude1
- astrometry1
