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Article / Letter to editor
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Woltjer Jr., J.
1933
Note on the energy equation
Article / Letter to editor
open access
Oosterhoff, P.T.
1933
Two new variable stars, which probably are physically connected with the galactic clusters NGC 3532 and NGC 4103 respectively
Article / Letter to editor
open access
Oosterhoff, P.T.
1933
The photographic light-curve of VY Cygni
Article / Letter to editor
open access
Gent, H. van
1933
Discussion of 122, mostly new, variable stars in or near the constellation Corona Australis
Article / Letter to editor
open access
Hertzsprung, E.
1933
Discussion of observations made by H. van Gent of the variable star Bailey 65 in ω Centauri, of which the period is the shortest known
Article / Letter to editor
open access
Oosterhoff, P.T.
1933
Reduction of Hoffmeister's visual estimates of RZ Tauri
Article / Letter to editor
open access
Sitter, W. de
1933
On the expanding universe and the time-scale
Article / Letter to editor
open access
Gent, H. van
1933
Period, light-curve, and ephemeris of the new asteroid with variable brightness 1931 PH
Article / Letter to editor
open access
Bos, W.H. van den
1933
New southern double stars, eleventh list
Article / Letter to editor
open access
Gratton, L.
1933
Note on the distribution of luminosities of K stars
Article / Letter to editor
open access
Kuiper, G.P.
1933
Visual measures of double stars made in the years 1929.6-1931.3
Article / Letter to editor
open access
Sitter, W. de
1933
On the motion and the mutual perturbations of material particles in an expanding universe
Article / Letter to editor
open access
Sitter, A. de
1933
The variation of the period of RZ Cassiopoeiae (Errata: 10 146)
Article / Letter to editor
open access
Oosterhoff, P.T.
1933
Note on the light-variation of Eros
Article / Letter to editor
open access
Martin, W.C.
1933
Photovisual magnitudes of 219 stars in NGC 3532
Article / Letter to editor
open access
Oosterhoff, P.T.
1933
The photographic light-curve of SX Aurigae
Article / Letter to editor
open access
Oosterhoff, P.T.
1933
Ephemerides of twelve new eclipsing variable stars in the constellations Carina, Centaurus and Crux
Article / Letter to editor
open access