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(1 - 20 of 31)

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The constants of differential rotation and the ratio of the two galactic axes of the velocity ellipsoid in the case when peculiar motions are not negligible
Oort, J.H. 1942
The constants of differential rotation and the ratio of the two galactic axes of the velocity ellipsoid in the case when peculiar motions are not negligible
Article / Letter to editor
open access
Notes on six variable stars estimated by W. E. Kruytbosch, with remarks by -
Hertzsprung, E. 1942
Notes on six variable stars estimated by W. E. Kruytbosch, with remarks by -
Article / Letter to editor
open access
Photographic photometry of two variable stars in the globular cluster ω Centauri
Kooreman, C.J. 1942
Photographic photometry of two variable stars in the globular cluster ω Centauri
Article / Letter to editor
open access
Further Data Bearing on the Identification of the Crab Nebula with the Supernova of 1054 A.D. Part II. The Astronomical Aspects
Mayall, N.U.; Oort, J.H. 1942
Further Data Bearing on the Identification of the Crab Nebula with the Supernova of 1054 A.D. Part II. The Astronomical Aspects
Article / Letter to editor
open access
BD +56°1618 and + 61°1294 as possible members of the Ursa Major group
Hertzsprung, E. 1942
BD +56°1618 and + 61°1294 as possible members of the Ursa Major group
Article / Letter to editor
open access
Additional measures of GL Carinae
Hertzsprung, E. 1942
Additional measures of GL Carinae
Article / Letter to editor
open access
On the orbital motion of ADS 2755 (Errata: 11 VIII)
Hertzsprung, E. 1942
On the orbital motion of ADS 2755 (Errata: 11 VIII)
Article / Letter to editor
open access
A catalogue of 798 faint zodiacal stars, observed between 1931 and 1935, discussed by -
Hins, C.H. 1942
A catalogue of 798 faint zodiacal stars, observed between 1931 and 1935, discussed by -
Article / Letter to editor
open access
Remark on the distances of long-period variables
Oort, J.H.; Tulder, J.J.M. van 1942
Remark on the distances of long-period variables
Article / Letter to editor
open access
Note on the distances and motions of some extremely remote Cepheids in Cygnus
Oort, J.H.; Oosterhoff, P.T. 1942
Note on the distances and motions of some extremely remote Cepheids in Cygnus
Article / Letter to editor
open access
Photographic measures of double stars on plates taken, mainly by W. H. van den Bos, with the 67-cm visual refractor of the Union Observatory at Johannesburg, collected by -
Hertzsprung, E. 1942
Photographic measures of double stars on plates taken, mainly by W. H. van den Bos, with the 67-cm visual refractor of the Union Observatory at Johannesburg, collected by -
Article / Letter to editor
open access
On the period of CH Normae
Hertzsprung, E. 1942
On the period of CH Normae
Article / Letter to editor
open access
Photographic measures of θ Orionis and ADS 15972
Hertzsprung, E. 1942
Photographic measures of θ Orionis and ADS 15972
Article / Letter to editor
open access
On the relation between velocity- and density-distribution of long-period variables
Oort, J.H.; Tulder, J.J.M. van 1942
On the relation between velocity- and density-distribution of long-period variables
Article / Letter to editor
open access
Discussion of C. J. Kooreman's photographic measures of WW Puppis
Hertzsprung, E. 1942
Discussion of C. J. Kooreman's photographic measures of WW Puppis
Article / Letter to editor
open access
Discussion on personal errors in photographic measures of double stars
Hertzsprung, E. 1942
Discussion on personal errors in photographic measures of double stars
Article / Letter to editor
open access
A determination of the galactic pole from stars at large distances from the galactic plane
Oort, J.H. 1942
A determination of the galactic pole from stars at large distances from the galactic plane
Article / Letter to editor
open access
A faint star in the Pleiades possibly sharing the proper motion of the Hyades
Hertzsprung, E. 1942
A faint star in the Pleiades possibly sharing the proper motion of the Hyades
Article / Letter to editor
open access
On the symmetrical rejection of extreme observations
Hertzsprung, E. 1942
On the symmetrical rejection of extreme observations
Article / Letter to editor
open access
On the orbit of τ Ophiuchi
Hertzsprung, E. 1942
On the orbit of τ Ophiuchi
Article / Letter to editor
open access

Pages