Subject
- stellar atmospheric opacity2
- stellar flares2
- variable stars2
- diffuse molecular clouds1
- effective temperature1
- globular star clusters1
- h beta photometry1
- markarian galaxies1
- medium band photometry1
- milky way galaxy1
- molecular physics1
- north galactic pole1
- o stars1
- open star clusters1
- optical observation1
- photographic photometry1
- photovisual magnitude1
- pre-main sequence stars1
- south galactic pole1
- spectroscopic binary stars1
