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Inhaltsverzeichnis
1. Introductory remarks (Invited discourse). - 2. A survey of instruments and experiments for X-ray astronomy (Invited discourse). - 3. General survey of X-ray sources (Invited discourse). - 4. Techniques for improving the sensitivity of proportional counters used in X-ray astronomy. - 5. Upper-air fluorescence as a tool in X-ray astronomy and searches for X-rays from NP 0532 and other pulsars. - 6. A proposal for an X-ray experiment for Cos-B. - 7. Studies of discrete cosmic X-ray sources at M. I. T. (Invited discourse). - 8. Properties of individual X-ray sources (Invited discourse). - 9. Properties of individual X-ray sources (Invited discourse). - 10. Rocket observations of Virgo XR-1. - 11. Intensities and spectra of several galactic X-ray sources. - 12. X-ray flux from discrete sources. - 13. Energy spectra of several discrete X-ray sources in the 20 120 keV range. - 14. Sudden changes in the intensity of high energy X-rays from Sco X-1. - 15. Properties of individual X-ray sources (Invited discourse). - 16. The flux of hard radiation from M87. - 17. A rocket observation of cosmic X-rays in the energy range between 0. 15 and 20 keV. - 18. Angular size and position of the X-ray source Cyg-X-1. - 19. Interstellar absorption of X-rays emitted supernova remnants. - 20. The possible detection of iron line emission from Sco X-1. - 21. Hard X-rays from the southern sky. - 22. X-ray polarization from Sco X-1 and Tau X-1. - 23. Ionospheric effects of X-rays from discrete galactic sources. - 24. Non-solar Gamma and X-ray astronomy: optical observations (Invited discourse). - 25. Spectroscopic and statistical properties of X-ray sources (Invited discourse). - 26. Identification of X-ray sources at Cerro Tololo inter-American observatory. - 27. OAO observations of Sco X-1. - 28. On the magnitude-colorrelation for Cygnus X-2 and WX Centauri. - 29. On the nature of the X-ray sources Scorpio X-1 and Centaurus X-2. - 30. An X-ray pulsar in the Crab Nebula. - 31. A search for pulsed hard radiation from the Crab Nebula. - 32. X-ray pulsar in the Crab Nebula. - 33. X-ray pulsar in the Crab Nebula. - 34. A search for high-energy ? -rays from pulsars. - 35. Radio, optical and X-ray emission from pulsars. - 36. Rotating neutron stars, pulsars, and cosmic X-ray sources. - 37. Emission mechanisms in X-ray sources (Invited discourse). - 38. Theories of discrete X-ray and ? -ray sources (Invited discourse). - 39. Predicted X-ray fluxes of stellar coronas. - 40. Physical processes in Cyg X-2. - 41. The electromagnetic spectrum of the Crab Nebula. - 42. A lower limit to the magnetic field in the Crab Nebula from cosmic ? -ray experiments at 1011 eV. - 43. Some possible implications of the radio emission of Sco X-1. - 44. Observational results on diffuse cosmic X-rays (Invited discourse). - 45. Review of observational results on ? -ray background (Invited discourse). - 46. Evidence for a galactic component of the diffuse X-ray background. - 47. Observations on diffuse cosmic X-rays in the energy range 20 120 keV. - 48. Search for galactic ? -rays with energies greater than 500 MeV on board OGO-5. - 49. Spark-chamber observation of galactic ? -radiation. - 50. The low energy diffuse cosmic X-radiation. - 51. 2 20 keV X-ray sky background. - 52. ? -ray astronomy balloon results. - 53. Measurement of the cosmic X-ray background in the 25 200 keV range. - 54. Results of two balloon flights for the detection of high energy ? -rays. - 55. The cosmic ? -ray spectrum near 1 MeV observed by the ERS-18 satellite. - 56. Intensity and galactic absorption of soft back-ground X-rays. - 57. Origin of the cosmic X-raybackground (Invited discourse). - 58. Cosmic background X-rays produced by intergalactic innerbremsstrahlung. - 59. A model of ? -ray sources in the Galaxy. - 60. The X-ray emission of a hot dense intergalactic plasma. - 61. Possible initial evidence of extragalactic cosmic-ray protons and the age of extragalactic cosmic-ray sources. - 62. Galactic line emission from 1 10 keV. - 63. Diffuse cosmic X-rays from non-thermal intergalactic bremsstrahlung. - 64. Interactions of non-thermal X-rays and ultraviolet radiation with the intergalactic gas. - 65. Soft X-rays from the Galaxy. - 66. X-ray emission from the solar wind. - 67. Mechanism for X-ray production in extars. - 68. Concluding remarks.
