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Subject
- star atlases[remove]97
- spectroscopy51
- galaxies16
- ultraviolet astronomy16
- infrared astronomy12
- infrared sources12
- chemical abundances8
- effective temperature8
- spectrophotometry8
- metallicity7
- optical astronomy7
- photometry7
- stellar atmospheres7
- active galactic nuclei6
- astronomical models6
- quasars6
- cataclysmic variable stars5
- catalogs5
- infrared photometry5
- late-type stars4