Subject
- agn1
- atomic physics1
- correlation1
- effective temperature1
- emission line stars1
- gamma-ray bursts1
- giant stars1
- globular star clusters1
- interstellar reddening1
- kron-cousins photometry1
- molecular physics1
- narrow band photometry atomic spectroscopy1
- north galactic pole1
- optical observation1
- photographic magnitude1
- pre-main sequence stars1
- radio absorption1
- radio antennas1
- radio astrometry1
- radio interferometers1