Index for 1930

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. The motion of the Sun with respect to the interstellar gas

    Added on 2006-12-21

  2. Visual estimates of the variable star of W U Ma type 44i Boo B

    Added on 2006-12-21

  3. On the orbital motion to be expected in double stars of given magnitude separation and proper motion

    Added on 2006-12-21

  4. On the period of BF Ophiuchi

    Added on 2006-12-21

  5. Further remarks on the astronomical consequences of the theory of the expanding universe

    Added on 2006-12-21

  6. Provisional ephemerides of 25 new variable stars in or near the constellation Crux

    Added on 2006-12-21

  7. Photographic observations of CR Carinae

    Added on 2006-12-21

  8. Occultations of stars by the Moon in the year 1929

    Added on 2006-12-21

  9. The orbits of three minor planets

    Added on 2006-12-21

  10. The expanding universe. Discussion of Lemaître's solution of the equations of the inertial field (Errata: 5 V)

    Added on 2006-12-21

  11. Provisional ephemerides of three δ Cephei variables of small range (Errata: 10 146)

    Added on 2006-12-21

  12. Provisional ephemeris of RS Normae

    Added on 2006-12-21

  13. Remark on AB Centauri

    Added on 2006-12-21

  14. Estimates on Johannesburg plates of UX Carinae

    Added on 2006-12-21

  15. Photographic observations and period of RZ Tauri

    Added on 2006-12-21

  16. Provisional ephemerides of 25 new variable stars in or near the constellation Norma (Errata: 6 248)

    Added on 2006-12-21

  17. Photographic magnitudes of stars brighter than 7<SUP>m</SUP>.5 between declination +80° and the pole (Errata: 6 224)

    Added on 2006-12-21

  18. Positions of comet Beyer (1930b), measured on plates taken by H. van Gent

    Added on 2006-12-21

  19. The structure of the Ca<SUP>+</SUP> chromosphere and the observations of the K line

    Added on 2006-12-21

  20. Photographic photometry of the Magellanic Clouds

    Added on 2006-12-21

  21. A new faint variable star in the Pleiades

    Added on 2006-12-21

  22. A new peculiar variable star resembling W Ursae Majoris

    Added on 2006-12-21

  23. A comparison of the angular dimensions of the globular clusters M 3 and M 13

    Added on 2006-12-21

  24. Two new, peculiar and similar variable stars, found by P. Th. Oosterhoff and H. van Gent respectively, estimated and discussed by -

    Added on 2006-12-21

  25. Variability of the P Cygni-type star C.P.D. -59°2855 (Errata: 6 248)

    Added on 2006-12-21

  26. On the period of AB Andromedae (Errata: 5 172)

    Added on 2006-12-21

  27. Note on three eclipsing variable stars, which seem to be only rarely in minimum

    Added on 2006-12-21

  28. Improved elements of 7 variable stars

    Added on 2006-12-21

  29. Visual estimates of RZ Tauri

    Added on 2006-12-21

  30. A peculiar eclipsing variable star found by P. Th. Oosterhoff, estimated and discussed by -

    Added on 2006-12-21

  31. On the random motion of material particles in the expanding universe. Explanation of a paradox

    Added on 2006-12-21

  32. Note on the velocities of extragalactic nebulae

    Added on 2006-12-21

  33. Photographic photometry of SY Aurigae

    Added on 2006-12-21

  34. Note on a star which probably is a white dwarf

    Added on 2006-12-21

  35. ξ Scorpii and Σ1999 considered as a fivefold system

    Added on 2006-12-21

  36. Observations of Eros stars in the year 1930 (Errata: 6 162)

    Added on 2006-12-21

  37. Photographic magnitudes from Potsdam plates of 995 stars in or near the globular cluster M 3

    Added on 2006-12-21

  38. On the variability of the period of RR Leonis

    Added on 2006-12-21

  39. A new probable member of the Ursa Major group

    Added on 2006-12-21

  40. The estimated number of high velocities among stars selected according to proper motion

    Added on 2006-12-21

  41. New southern double stars, tenth list

    Added on 2006-12-21

  42. On the effective wavelengths of photovisual magnitudes

    Added on 2006-12-21

  43. On the magnitudes, diameters and distances of the extragalactic nebulae and their apparent radial velocities (Errata: 5 V, 230)

    Added on 2006-12-21