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Hertzsprung, E.
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Woltjer Jr., J.
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Oort, J.H.
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Hertzsprung, E.
1925
A variable star of the W Ursae Majoris type in the Great Magellanic Cloud
Article / Letter to editor
open access
Hertzsprung, E.
1925
Note on a new irregular variable star
Article / Letter to editor
open access
Bos, W.H. van den
1925
Observations of planet 1924 TD (Baade)
Article / Letter to editor
open access
Bos, W.H. van den
1925
Measures of double stars on photographic plates
Article / Letter to editor
open access
Sanders, C.; Oort, J.H.
1925
A discussion of the determination of declinations from azimuth measures made near the equator (Errata: 2 V)
Article / Letter to editor
open access
Hertzsprung, E.
1925
Estimates of BS Carinae made by W. S. Finsen and used for the derivation of provisional elements of this variable of W Ursae Majoris type
Article / Letter to editor
open access
Woltjer Jr., J.
1925
Line absorption and absorption coefficient inside a star
Article / Letter to editor
open access
Hertzsprung, E.
1925
Note on the eclipsing variable star DG Carinae
Article / Letter to editor
open access
Hertzsprung, E.
1925
Provisional estimate of the ""surface brightness"" of the Small Magellanic Cloud
Article / Letter to editor
open access
Hertzsprung, E.
1925
A new peculiar variable star (Errata: 3 206)
Article / Letter to editor
open access
Woltjer Jr., J.
1925
On the possibility of a gravitational shift of the spectral lines of O and B stars
Article / Letter to editor
open access
Oort, J.H.; Doorn, N.W.
1925
The solar motion from radial velocities of the absolutely brightest stars of spectra F, G, K and M
Article / Letter to editor
open access
Woltjer Jr., J.
1925
On the energy required for the ionization of the interior of a star
Article / Letter to editor
open access
Sitter, W. de; Oort, J.H.
1925
Provisional scheme for the determination of fundamental declinations from azimuth observations
Article / Letter to editor
open access
Sitter, W. de
1925
Description of the printing chronograph
Article / Letter to editor
open access
Hertzsprung, E.
1925
Provisional or revised ephemerides of 23 known variable stars of the eclipsing type within 6° of η Carinae (Errata: 3 70)
Article / Letter to editor
open access
Innes, R.T.A.
1925
The secular perturbations of Pallas by Jupiter
Article / Letter to editor
open access
Hertzsprung, E.
1925
A new faint eclipsing variable star
Article / Letter to editor
open access
Woltjer Jr., J.
1925
On the stationary Calcium lines
Article / Letter to editor
open access
Sitter, W. de
1925
Further note on the printing chronograph
Article / Letter to editor
open access
