Astronomy and Astrophysics – Astronomy
Scientist
Astronomy and Astrophysics
Astronomy
Scientist
On the variation of the personal equation with the magnitude of the stars observed
Probable error of the clock correction when both the clock rate and the instrumental constants are found by a Least Squares solution of a single night's observation
S. J. Places of the older variable stars with faint minima
The periods of some variables
The sky for the night of May 18-19
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