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(1 - 17 of 17)
Determination of 256 positions of 14 minor planets in 1938 (Errata: 10 146)
Herk, G. van 1940
Determination of 256 positions of 14 minor planets in 1938 (Errata: 10 146)
Article / Letter to editor
open access
Photographic observations of the integrated brightness of the solar crescent near totality of the total eclipse of the Sun on June 19, 1936, by J. G. Ferwerda, J. Uitterdijk and -, discussed by -
Wesselink, A.J. 1940
Photographic observations of the integrated brightness of the solar crescent near totality of the total eclipse of the Sun on June 19, 1936, by J. G. Ferwerda, J. Uitterdijk and -, discussed by -
Article / Letter to editor
open access
Provisional ephemerides of 25 variable stars in the region of η Carinae
Hertzsprung, E. 1940
Provisional ephemerides of 25 variable stars in the region of η Carinae
Article / Letter to editor
open access
Additional list of double stars of which one component is variable (supplement to Bull. Astr. Inst. Netherlands 7 181)
Plaut, L. 1940
Additional list of double stars of which one component is variable (supplement to Bull. Astr. Inst. Netherlands 7 181)
Article / Letter to editor
open access
Red magnitudes of 160 bright parallax stars
Ferwerda, J.G. 1940
Red magnitudes of 160 bright parallax stars
Article / Letter to editor
open access
Photographic photometry of the eclipsing variable WW Draconis = Σ2092 A.
Plaut, L. 1940
Photographic photometry of the eclipsing variable WW Draconis = Σ2092 A
Article / Letter to editor
open access
Six new variable stars in the η Carinae region
Oosterhoff, P.T. 1940
Six new variable stars in the η Carinae region
Article / Letter to editor
open access
Note on the period of variables 15 and 40 in M 53
Oosterhoff, P.T. 1940
Note on the period of variables 15 and 40 in M 53
Article / Letter to editor
open access
New observations of the variable ω Centauri No. 1
Martin, W.C. 1940
New observations of the variable ω Centauri No. 1
Article / Letter to editor
open access
Estimates of a new faint eclipsing variable star in Carina
Rudkjøbing, M. 1940
Estimates of a new faint eclipsing variable star in Carina
Article / Letter to editor
open access
Photographic measures of double stars made on plates taken with the 36-inch refractor of the Lick Observatory
Hertzsprung, E. 1940
Photographic measures of double stars made on plates taken with the 36-inch refractor of the Lick Observatory
Article / Letter to editor
open access
Provisional elements of a new eclipsing variable
Plaut, L. 1940
Provisional elements of a new eclipsing variable
Article / Letter to editor
open access
Mean colour equivalents of 834 bright stars, compiled by - (Errata: 10 146)
Hertzsprung, E. 1940
Mean colour equivalents of 834 bright stars, compiled by - (Errata: 10 146)
Article / Letter to editor
open access
Remark on WY Normae
Hertzsprung, E. 1940
Remark on WY Normae
Article / Letter to editor
open access
Remark on AH Velorum
Hertzsprung, E. 1940
Remark on AH Velorum
Article / Letter to editor
open access
Some Problems Concerning the Structure and Dynamics of the Galactic System and the Elliptical Nebulae NGC 3115 and 4494.
Oort, J.H. 1940
Some Problems Concerning the Structure and Dynamics of the Galactic System and the Elliptical Nebulae NGC 3115 and 4494
Article / Letter to editor
open access
Note on the eclipsing variable GN Normae
Oosterhoff, P.T. 1940
Note on the eclipsing variable GN Normae
Article / Letter to editor
open access