The A-class star has sharp spectral lines, which means that there is no Doppler broadening. Can we assume that the star

The A-class star has sharp spectral lines, which means that there is no Doppler broadening. Can we assume that the star does not rotate or rotates slowly?

It is possible, but the described situation will also take place in the case when the star is observed from the side of one of its poles.

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