This fact simply emphasizes the lack of mathematical precision in photometric measurements of star light.
According to the Harvard photometric measures its brightest star is Fl.
Its use for photometric purposes and in current regulators will be mentioned further on.
As the photometric experiments are recent, let us suppose that it gives but 25 carcels.
photometric catalogues, accordingly, form an indispensable part of stellar statistics; and photometric catalogues.
The satellite-theory has derived unlooked-for support from photometric inquiries.
Pickering failed to obtain any photometric evidence of their variability.
A photometric zone, 20° wide, has for some time been in course of observation at Potsdam by MM.
The results will be published in the form of a catalogue resembling the photometric Catalogue given in volume xiv.
Frank Bailey has furnished particulars of photometric tests which he has made on new and old street lamps in the city of London.
The measurement of the intensity, brightness, or other properties of light. Also called photometrics. See also luminous intensity.