The brightness of some star of spectral class A in the V band (filter) is 10.5 ^ m, and the brightness of another star
September 15, 2020 | Education
| The brightness of some star of spectral class A in the V band (filter) is 10.5 ^ m, and the brightness of another star of spectral class K is 10.45 ^ m Which of these stars is brighter in the photometric U band? IN? V? R?
A spectral class A star is brighter in the U and B bands, and a spectral class K star is brighter in the V and R bands.
