Leiden University Scholarly Publications

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(1 - 10 of 10)
On the lumimosities of the nearest Cepheids
Blaauw, A.; Morgan, H.R. 1954
On the lumimosities of the nearest Cepheids
Article / Letter to editor
open access
The velocity of the Sun with respect to the δ Cephei variables
Raimond, E. 1954
The velocity of the Sun with respect to the δ Cephei variables
Article / Letter to editor
open access
Outline of a theory on the origin and acceleration of interstellar clouds and O associations
Oort, J.H. 1954
Outline of a theory on the origin and acceleration of interstellar clouds and O associations
Article / Letter to editor
open access
The rotation of the inner parts of the Galactic System
Kwee, K.K.; Muller, C.A.; Westerhout, G. 1954
The rotation of the inner parts of the Galactic System
Article / Letter to editor
open access
Line intensities in the spectrum of RR Lyrae
Pels-Kluyver, H.A. 1954
Line intensities in the spectrum of RR Lyrae
Article / Letter to editor
open access
A photometric investigation of the spicules and the structure of the chromosphere
Woltjer, L. 1954
A photometric investigation of the spicules and the structure of the chromosphere
Article / Letter to editor
open access
The acceleration of interstellar clouds
Kahn, F.D. 1954
The acceleration of interstellar clouds
Article / Letter to editor
open access
The spiral structure of the outer part of the Galactic System derived from the hydrogen emission at 21 cm wavelength
Hulst, H.C. van de; Muller, C.A.; Oort, J.H. 1954
The spiral structure of the outer part of the Galactic System derived from the hydrogen emission at 21 cm wavelength
Article / Letter to editor
open access
Vibrations observed with the Leiden meridian circle
Herk, G. van 1954
Vibrations observed with the Leiden meridian circle
Article / Letter to editor
open access
Photoelectric Measurements of Extragalactic Nebulae.
Houten, C.J. van; Oort, J.H.; Hiltner, W.A. 1954
Photoelectric Measurements of Extragalactic Nebulae
Article / Letter to editor
open access