RUG faculteit wiskunde en natuurwetenschappen sterrenkunde

The Blaauw Collection



Title Derivation of the change .....
Author Rhijn, P.J. van
Date 1915-07-09
Institute Rijksuniversiteit Groningen
Supervisor Prof. Dr. J.C. Kapteyn
Cat. number 3a
Remarks Full Title : Derivation of the change of colour with distance and apparent magnitude together with a new determination of the mean parallaxes of the stars with given magnitude and proper motion

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