COMMUNICATIONS / MITTEILUNGEN

Non-periodic Phenomena in Variable Stars

Ed.: L. Detre 

No. 65
Budapest, 1969

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Contents

Part I

Statistical and physical interpretation of irregularities

Modern techniques of observation and analysis

  • 1. L. Detre: Statistical and physical interpretation of non-periodic phenomena in variable stars. Introductory report [HTML]
  • 2. S.P. Plagemann: Spectral analysis of the light curves of T Tauri stars and other objects [HTML]
  • 3. G. Barbaro, N. Dallaporta, C. Summa: On the presumed presupernova stage for type II supernovae [HTML]
  • 4. S. Cristaldi, L. Paterno: Synchronous three colour stellar photometry at the Catania Astrophysical Observatory [HTML]
  • 5. A.N. Abramenko, V.V. Prokofjeva: About the T.V. photometry of faint variable stars [HTML]

    Part II

    Intrinsic irregular variables

    A. Very young stars

  • 6. W. Wenzel: Extremely young stars. Introductory report [HTML]
  • 7. G.H. Herbig: The light variations of the nuclei in Herbig-Haro object No. 2, 1946-1968[HTML]
  • 8. E.H. Geyer, W. Seggewiss: Photoelectric observations of 6 southern RW Aurigae variables[HTML]
  • 9. L. Anderson, L.V. Kuhi: Hydrogen emission phenomena in T Tauri stars[HTML]
  • 10. Merle F. Walker: The evidence for variable infall of material in the ultraviolet excess stars[HTML]
  • 11. A. Dibaj, V.F. Esipov: Emission H-alpha line profiles in several T Tau stars[HTML]

    B. Flare stars

  • 12. R.E. Gerhsberg: Flares of UV Ceti type stars. Introductory report[HTML]
  • 13. P.F. Chugainov: Cooperative 24-hour observations of UV Ceti-type stars[HTML]
  • 14. V.S. Oskanian: The classification of photometric light-curves of flares of UV Ceti stars[HTML]
  • 15. A.D. Andrews: Multi-colour photometry of Orion flare stars[HTML]
  • 16. S. Cristaldi, G. Godoli, M. Narbone, M. Rodono: Photoelectric research on flare stars at the Catania Astrophysical Observatory[HTML]
  • 17. G.A. Bakos: HD 160202 -- an early type flare star[HTML]
  • 18. M.D. Arakelian: On the group of young stars in the solar vicinity[HTML]
  • 19. L.V. Mirzoyan, E.S. Parsamian: Flare stars near NGC 7023[HTML]
  • 20. Yu S. Efimov: On the polarimetric study of UV Ceti-type star flares[HTML]
  • 21. L. Rosino: Preliminary results of a survey of nebular variables and flare stars[HTML]

    C. Of, Be, shell stars

  • 22. A. Slettebak: Of and Be stars. Introductory report[HTML]
  • 23. J.B. Hutchnigs: Photoelectric observation of line profiles with high time resolution in B and Be stars[HTML]
  • 24. L. Luud: Some remarks on the spectral and light variability of P Cygni[HTML]
  • 25. M. De Groot: Spectral variations of P Cygni[HTML]
  • 26. N.L. Ivanova, I.D. Kupo, Ch. Mamatkazina: Variations in the continuous spectrum of Gamma Cas[HTML]
  • 27. A.M. Deplace, R. Herman, A. Peton: Variations rapides, problablement non periodiques d'enveloppes d'etoiles Be[HTML]

    D. Irregular magnetic variables

  • 28. T. Jarzebowski: The problem of irregular variations in magnetic stars[HTML]
  • 29. K. Stepien: Photometric search for periodicity among magnetic stars[HTML]
  • 30. C. Blanco, F. Catalano, G. Godoli: Photometric research on magnetic stars at the Catania Astrophysical Observatory [HTML]

    E. R CrB variables

  • 31. M.W. Feast: RY Sgr during the 1967-68 minimum: a blue continuum and other spectroscopic and photometric observations [HTML]

    F. Nova outbursts

  • 32. R. Barbon, A. Mammano, L. Rosino: Spectroscopic observations of the recurrent nova RS Ophiuchi from 1959 to 1968 [HTML]
  • 33. G. Chincarini, L. Rosino: Spectroscopic observations of the recurrent nova T Pyxidis during the 1967 maximum [HTML]
  • 34. A. Mammano, R. Margoni, L. Rosino: Preliminary report on the spectrum of Nova Vul 1968 [HTML]
  • 35. W.C. Seitter: On Nova Delphini 1967 and some slow nova characteristics [HTML]

    Part III

    Irregular activity in periodic variables

    A. Beta CMa, Delta Sct variables

  • 36. W.S. Fitch: Tidal resonances in some pulsation modes of the Beta Canis Majoris star 16 Lacertae [HTML]
  • 37. J.-M. Le Contel: Variations dans le spectre de Gamma Pegasi [HTML]

    Variations in Delta Scuti stars

  • 38. a) A. Baglin, F. Praderie, M.N. Perrin: Is Gamma Bootis a spectrum variable star? [HTML]
  • 39. b) C. Chevalier: The short-period variability of 14 Aur (HR 1706) [HTML]

    B. RR Lyrae, Delta Cephei stars

  • 40. C. Coutts: On the nature of some of the O-C diagrams of the RR Lyrae variables in M5 [HTML]
  • 41. O.P. Vasiljanovskaja, G.E. Erleksova: Instability of light curves and periods of longperiod Cepheids belonging to the spherical component of the Galaxy [HTML]

    C. Late-type giants

  • 42. P. Ahnert: Correlations between the irregularities of the period and the radial velocity, length of period, amplitude and spectrum of Mira-variables [HTML]
  • 43. P.L. Fischer: The irregularities in the light-changes of Mira Ceti[HTML]
  • 44. A. Vardanian: On the intrinsic light-polarization of some late type stars[HTML]

    Part IV

    Non-periodic phenomena in binary systems

    A. Hot, very short-period eruptive binaries: old novae, U Gem stars, etc.

  • 45. J. Smak: Introductory report[HTML]
  • 46. J. Smak, K. Stepien: Photometric observations of the peculiar blue variable TT Ari = BD +14 341[HTML]
  • 47. S.M. Rucinski: Photometric effects for highly distorted white dwarf secondaries in close binary systems.[HTML]
  • 48. W. Krzeminski, J. Smak: Photometric observations of nova WZ Sagittae and their interpretation[HTML]
  • 49. M.W. Mayall: Eclipses of U Geminorum[HTML]
  • 50. Marie-Claire Lortet: The standstills of light of Z Cam stars. Photoelectric and spectrographic observations[HTML]
  • 51. M. Petit: Analyse des courbes de lumiere des etoiles de type U Geminorum[HTML]
  • 52. V.G. Gorbatzky: On a possible cause of brightness fluctuations in close binary systems of dwarf stars[HTML]

    B. Symbiotic stars

  • 53. A.A. Boyarchuk: Symbiotic stars. Introductory report[HTML]
  • 54. A. Mammano, L. Rosino: Spectral evolution of the peculiar star MH-alpha 328-116 (V1016 Cyg) from 1965 to 1967[HTML]
  • 55. A. Mammano, A. Martini: Spectroscopic variations in WY Gem, W Cep and HD 4174[HTML]

    C. Contact binaries and W UMa stars

  • 56. H. Mauder: Theoretical light changes of W UMa Stars with low mass ratio[HTML]
  • 57. I.B. Pustylnik: On the reflection effect in close binaries[HTML]
  • 58. V.I. Burnashov, E.A. Vitrichenko: Nearly contact binary HD 17514[HTML]

    D. Conventional binaries

  • 59. F.B. Wood: Introductory report[HTML]
  • 60. S. Catalano, M. Rodono: Photometric research on RS CVn at the Catania Astrophysical Observatory[HTML]
  • 61. G. Larsson-Leander: Changes in the light curve of Beta Lyrae 1958-1959[HTML]
  • 62. E.F. Milone: The O'Connell-effect in some eclipsing variables[HTML]
  • 63. T. Herczeg: Sudden changes in the period of Algol[HTML]
  • 64. E. Pohl: On the research program concerning eclipsing variables at the observatories Nurnberg and Izmir[HTML]

    Part V

    Miscellaneous problems

  • 65. H. Sawyer-Hogg: The third catalogue of variable stars in globular clusters[HTML]
  • 66. N. S. Nikolov, P.Z. Kunchev: The Cepheids on the colour-colour plot[HTML]
  • 67. M.V. Penston, R.D. Cannon: Irregular variations of radio sources[HTML]