polar sequence


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polar sequence

n
(Celestial Objects) astronomy a series of stars in the vicinity of the N celestial pole whose accurately determined magnitudes serve as the standard for visual and photographic magnitudes of stars
References in periodicals archive ?
All the samples possessed a polar sequence for the ferroelec-tric properties according to the characteristic absorbance bands (848, 885, 1195 and 1292 [cm.
Likewise, the mentally ill are not always at the extreme of the polar sequence.
The photographic observations of Harvard's North Polar Sequence were more careful.