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(1 - 17 of 17)
Note on the energy equation
Woltjer Jr., J. 1933
Note on the energy equation
Article / Letter to editor
open access
Two new variable stars, which probably are physically connected with the galactic clusters NGC 3532 and NGC 4103 respectively
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
The photographic light-curve of VY Cygni
Oosterhoff, P.T. 1933
The photographic light-curve of VY Cygni
Article / Letter to editor
open access
Discussion of 122, mostly new, variable stars in or near the constellation Corona Australis
Gent, H. van 1933
Discussion of 122, mostly new, variable stars in or near the constellation Corona Australis
Article / Letter to editor
open access
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
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
Reduction of Hoffmeister's visual estimates of RZ Tauri
Oosterhoff, P.T. 1933
Reduction of Hoffmeister's visual estimates of RZ Tauri
Article / Letter to editor
open access
On the expanding universe and the time-scale
Sitter, W. de 1933
On the expanding universe and the time-scale
Article / Letter to editor
open access
Period, light-curve, and ephemeris of the new asteroid with variable brightness 1931 PH
Gent, H. van 1933
Period, light-curve, and ephemeris of the new asteroid with variable brightness 1931 PH
Article / Letter to editor
open access
New southern double stars, eleventh list
Bos, W.H. van den 1933
New southern double stars, eleventh list
Article / Letter to editor
open access
Note on the distribution of luminosities of K stars
Gratton, L. 1933
Note on the distribution of luminosities of K stars
Article / Letter to editor
open access
Visual measures of double stars made in the years 1929.6-1931.3
Kuiper, G.P. 1933
Visual measures of double stars made in the years 1929.6-1931.3
Article / Letter to editor
open access
On the motion and the mutual perturbations of material particles in an expanding universe
Sitter, W. de 1933
On the motion and the mutual perturbations of material particles in an expanding universe
Article / Letter to editor
open access
The variation of the period of RZ Cassiopoeiae (Errata: 10 146)
Sitter, A. de 1933
The variation of the period of RZ Cassiopoeiae (Errata: 10 146)
Article / Letter to editor
open access
Note on the light-variation of Eros
Oosterhoff, P.T. 1933
Note on the light-variation of Eros
Article / Letter to editor
open access
Photovisual magnitudes of 219 stars in NGC 3532
Martin, W.C. 1933
Photovisual magnitudes of 219 stars in NGC 3532
Article / Letter to editor
open access
The photographic light-curve of SX Aurigae
Oosterhoff, P.T. 1933
The photographic light-curve of SX Aurigae
Article / Letter to editor
open access
Ephemerides of twelve new eclipsing variable stars in the constellations Carina, Centaurus and Crux
Oosterhoff, P.T. 1933
Ephemerides of twelve new eclipsing variable stars in the constellations Carina, Centaurus and Crux
Article / Letter to editor
open access