Leiden University Scholarly Publications

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(1 - 8 of 8)
A comparison of the intensity distribution of radio-frequency radiation with a model of the galactic system
Westerhout, G.; Oort, J.H. 1951
A comparison of the intensity distribution of radio-frequency radiation with a model of the galactic system
Article / Letter to editor
open access
Differences between new and old comets
Oort, J.H.; Schmidt, M. 1951
Differences between new and old comets
Article / Letter to editor
open access
Photo-electric colours of southern early-type stars
Oosterhoff, P.T. 1951
Photo-electric colours of southern early-type stars
Article / Letter to editor
open access
Proper motions of faint early type stars near the north galactic pole
Pels, G.; Perek, L. 1951
Proper motions of faint early type stars near the north galactic pole
Article / Letter to editor
open access
Photographic positions of minor planets (51), (135) and (1036) and of comet Minkowski, observed in 1947, 1949 and 1950
Pels, G. 1951
Photographic positions of minor planets (51), (135) and (1036) and of comet Minkowski, observed in 1947, 1949 and 1950
Article / Letter to editor
open access
A new determination of the precession and the constants of galactic rotation
Morgan, H.R.; Oort, J.H. 1951
A new determination of the precession and the constants of galactic rotation
Article / Letter to editor
open access
Measures of double stars
Fokker, A.D. 1951
Measures of double stars
Article / Letter to editor
open access
The variation of the total brightness of comets with heliocentric distance
Schmidt, M. 1951
The variation of the total brightness of comets with heliocentric distance
Article / Letter to editor
open access