Subject
- redshifted253
- redshifted / redshift36
- ring galaxies1
- seyfert galaxies39
- sloan photometry234
- spectral energy distribution8
- spectrophotometry6
- spectroscopy220
- standard stars3
- star atlases3
- star forming regions7
- stellar ages8
- stellar associations17
- stellar atmospheric opacity1
- stellar distance3
- stellar evolutionary models3
- stellar flares1
- stellar masses12
- stellar populations5
- stellar radii2