Index for 1957

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. Three new variable stars

    Added on 2006-12-21

  2. A search for atomic hydrogen in the II (ΞΆ) Persei and the I Lacertae associations of O and B stars

    Added on 2006-12-21

  3. Preliminary observations of 21-cm emission from M 33

    Added on 2006-12-21

  4. A catalogue of 21-cm line profiles

    Added on 2006-12-21

  5. The polarization and intensity distribution in the Crab nebula derived from plates taken with the 200-inch telescope by Dr. W. Baade

    Added on 2006-12-21

  6. Spiral structure in the inner parts of the Galactic System derived from the hydrogen emission at 21-cm wavelength

    Added on 2006-12-21

  7. The light-variation and the radial-velocity curve of TU Cas explained in terms of a primary period and a beat period

    Added on 2006-12-21

  8. Photo-electric light-curves in blue and yellow light of the eclipsing variable RR Trianguli Australis

    Added on 2006-12-21

  9. The distribution of atomic hydrogen in the outer parts of the Galactic System

    Added on 2006-12-21

  10. Studies of the 21-cm. line and their interpretation (Introductory Lecture)

    Added on 2007-01-10

  11. Some radial velocity measurements of the Cepheid U TrA

    Added on 2006-12-21

  12. Photo-electric observations of the polarization and surface brightness of the Crab nebula made at the Observations de Haute Provence

    Added on 2006-12-21

  13. The distribution of mass in M 31

    Added on 2006-12-21

  14. U Trianguli Australis, a classical Cepheid with secondary period

    Added on 2006-12-21

  15. Observations of two occultations of the Crab nebula by the Moon at 400 Mc/s

    Added on 2006-12-21

  16. Rotation and density distribution of the Andromeda nebula derived from observations of the 21-cm line

    Added on 2006-12-21

  17. Corrections of 21-cm line profiles

    Added on 2006-12-21