Subject
- bl lacertae objects1
- dwarf stars1
- exoplanets1
- h alpha photometry1
- h ii regions1
- hertzsprung russell diagram1
- horizontal branch stars1
- interstellar reddening1
- medium band photometry1
- nebulae1
- orbits1
- polarimetry1
- pre-main sequence stars1
- pulsars1
- redshifted1
- sloan photometry1
- solar system1
- spectrophotometry1
- star forming regions1
- stellar ages1
