Subject
- apparent magnitude7
- bl lacertae objects7
- carbon stars7
- cataclysmic variable stars7
- ccd photometry7
- pre-main sequence stars7
- radio continuum emission7
- stellar ages7
- stellar radii7
- absolute magnitude6
- accretion6
- h alpha photometry6
- horizontal branch stars6
- novae6
- spectroscopic binary stars6
- hst photometry5
- k stars5
- chemically peculiar stars4
- g stars4
- intergalactic medium4