Subject
- two-color diagrams2
- x-ray binary stars2
- young stellar objects2
- absolute magnitude1
- astronomical object identification1
- atomic physics1
- be stars1
- carbon stars1
- co line emission1
- galaxy planes1
- globular star clusters1
- h ii regions1
- interstellar medium1
- millimeter astronomy1
- narrow band photometry1
- orbits1
- pre-main sequence stars1
- sloan photometry1
- spectral energy distribution1
- stellar ages1