Subject
- proper motions5
- radial velocity5
- variable stars5
- optical observation4
- stellar masses4
- accretion3
- astronomical reference materials3
- magnetic fields3
- observational astronomy3
- two-color diagrams3
- chemically peculiar stars2
- co line emission2
- faint blue stars2
- galaxy rotation2
- h ii regions2
- markarian galaxies2
- stellar distance2
- stellar spectral types2
- agn1
- atomic spectroscopy1