Leiden University Scholarly Publications

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

Notes on six variable stars estimated by W. E. Kruytbosch, with remarks by -

Photographic photometry of two variable stars in the globular cluster ω Centauri

Further Data Bearing on the Identification of the Crab Nebula with the Supernova of 1054 A.D. Part II. The Astronomical Aspects

BD +56°1618 and + 61°1294 as possible members of the Ursa Major group

Additional measures of GL Carinae

On the orbital motion of ADS 2755 (Errata: 11 VIII)

A catalogue of 798 faint zodiacal stars, observed between 1931 and 1935, discussed by -

Remark on the distances of long-period variables

Note on the distances and motions of some extremely remote Cepheids in Cygnus

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 -

On the period of CH Normae

Photographic measures of θ Orionis and ADS 15972

On the relation between velocity- and density-distribution of long-period variables

Discussion of C. J. Kooreman's photographic measures of WW Puppis

Discussion on personal errors in photographic measures of double stars

A determination of the galactic pole from stars at large distances from the galactic plane

A faint star in the Pleiades possibly sharing the proper motion of the Hyades

On the symmetrical rejection of extreme observations

On the orbit of τ Ophiuchi

Photographic estimates of HK Carinae

Remarks on four faint stars in the Pleiades

A new determination of the galactic pole and the distance of the Sun from the galactic plane

Observations of minor planets from 1941 January 31 to 1941 December 23