Subject
- surface photometry2
- variable stars2
- diffuse molecular clouds1
- effective temperature1
- h beta photometry1
- markarian galaxies1
- medium band photometry1
- milky way galaxy1
- molecular physics1
- o stars1
- open star clusters1
- optical observation1
- photographic photometry1
- photovisual magnitude1
- pre-main sequence stars1
- radio spectroscopy1
- south galactic pole1
- spectroscopic binary stars1
- star atlases1
- stellar populations1