Index for 1931

This index is created for quick reference of all the pages within the Scholarly Publications repository of Leiden University. For searching our outputs, please use the search function.

  1. Positions of minor planets, measured on plates taken by H. van Gent

    Added on 2006-12-21

  2. Corrections to a number of P.G.C. stars derived from differential observations with the meridian circle at Leiden

    Added on 2006-12-21

  3. Some problems concerning the distribution of luminosities and peculiar velocities of extragalactic nebulae

    Added on 2006-12-21

  4. A new variable star of short period

    Added on 2006-12-21

  5. Do the galaxies expand with the universe?

    Added on 2006-12-21

  6. A new faint variable star, of which the period is the shortest known

    Added on 2006-12-21

  7. Some further computations regarding nonstatic universes

    Added on 2006-12-21

  8. Photographic magnitudes of bright stars near the North Pole (Errata: 6 224)

    Added on 2006-12-21

  9. The orbits of five minor planets, discovered by H. van Gent (Errata: 6 184)

    Added on 2006-12-21

  10. The resistance experienced by the outward moving chromospheric Ca<SUP>+</SUP> ions and its effect on the density

    Added on 2006-12-21

  11. On a method based on a property of central projection for reducing the rectangular coordinates measured on an arbitray plate to those of any other plate

    Added on 2006-12-21

  12. Photographic observations of the eclipsing variable Castor C = YY Geminorum from 1926 Oct. 2 to 1928 Jan. 13

    Added on 2006-12-21

  13. Determination of declinations and latitude from azimuths and zenith distances

    Added on 2006-12-21

  14. The star Boss 2184 as a variable of the δ Cephei type

    Added on 2006-12-21

  15. Determination of absolute declinations and latitude by observations at the meridian circle and the zenith telescope

    Added on 2006-12-21