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Subject
- ultraviolet astronomy[remove]13
- spectroscopy12
- star atlases5
- early-type stars2
- white dwarf stars2
- b stars1
- h i line emission1
- novae1
- o stars1
- ob stars1
- observational astronomy1
- optical astronomy1
- peculiar variable stars1
- photometry1
- pre-main sequence stars1
- redshifted1
- spectrophotometry1
- spectroscopic binary stars1
- variable stars1
- wide-band photometry1
