Subject
- multiple stars83
- pre-main sequence stars81
- sloan photometry68
- stellar spectral types67
- line intensities62
- stellar associations61
- effective temperature60
- kron-cousins photometry58
- metallicity57
- giant stars52
- astronomical object identification51
- quasars50
- active galactic nuclei47
- galaxy clusters44
- bl lacertae objects43
- late-type stars40
- medium band photometry39
- spectroscopic binary stars37
- stellar masses37
- ultraviolet astronomy37
