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Subject
- photometry14
- ultraviolet photometry[remove]14
- galaxies6
- globular star clusters4
- optical astronomy3
- magellanic clouds2
- wide-band photometry2
- ccd photometry1
- galaxy classification systems1
- galaxy clusters1
- hertzsprung russell diagram1
- infrared photometry1
- kron-cousins photometry1
- open star clusters1
- photographic photometry1
- quasars1
- redshifted1
- stellar associations1
- stellar populations1
- two-color diagrams1
