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Subject
- spectrophotometry[remove]124
- spectroscopy23
- photometry20
- galaxies17
- optical astronomy16
- spectral energy distribution10
- wide-band photometry9
- star atlases8
- ultraviolet astronomy8
- infrared photometry7
- astronomical models6
- quasars6
- surveys6
- active galactic nuclei5
- chemical abundances5
- emission line stars5
- h ii regions5
- infrared astronomy5
- late-type stars5
- standard stars5
