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Transactions of the International Astronomical Union, Volume 15 - 1973

Contents

Page 2 of 10

Meeting Report

  • 7. Celestial Mechanics

  • G. N. Duboshin
  • Published online by Cambridge University Press:
    25 April 2016, pp. 19-27
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Report of the XVth General Assembly (with Resolutions included)

Part 2: Welcoming Ceremony-Report of the General Assembly

  • Final Session

  • Published online by Cambridge University Press:
    13 March 2018, p. 49
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Meeting Report

  • 8. Positional Astronomy

  • W. Fricke
  • Published online by Cambridge University Press:
    25 April 2016, pp. 29-41
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General Assembly

Part 2: Welcoming Ceremony-Report of the General Assembly

  • Report of The Finance Committee to the General Assembly

  • Published online by Cambridge University Press:
    13 March 2018, pp. 49-50
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  • Budget for 1974–76

  • Published online by Cambridge University Press:
    13 March 2018, pp. 50-51
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Meeting Report

  • 9. Instruments and Techniques (Instruments et Techniques)

  • V. B. Nikonov
  • Published online by Cambridge University Press:
    25 April 2016, pp. 43-67
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  • Joint Working Group of Commissions 9 and 46 For Exchange of Equipment

  • N. N. Mihelson
  • Published online by Cambridge University Press:
    25 April 2016, p. 68
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  • A Circular Letter was sent to the directors of all astronomical institutes and observatories asking if there is any possibility for loaning some types of astronomical equipment.

    Many answers were received up to November 1972, all of them negative. Some observatories have already loaned their excess equipment. Another, recently organized, does not have such equipment.

General Assembly

Part 2: Welcoming Ceremony-Report of the General Assembly

  • Report by The President of The Resolutions Committee

  • J.-C. Pecker
  • Published online by Cambridge University Press:
    13 March 2018, pp. 51-53
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  • Résolution No. 1

  • Published online by Cambridge University Press:
    13 March 2018, pp. 54-55
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Meeting Report

  • Groupe de Travail sur L’Emploi en Astronomie des Récepteurs Photoélectriques d’Images

  • G. Wlérick
  • Published online by Cambridge University Press:
    25 April 2016, pp. 68-73
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General Assembly

Part 2: Welcoming Ceremony-Report of the General Assembly

  • Résolution No. 2

  • Published online by Cambridge University Press:
    13 March 2018, pp. 54-55
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Meeting Report

  • 10. Solar Activity

  • J. T. Jefferies
  • Published online by Cambridge University Press:
    25 April 2016, pp. 75-106
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General Assembly

Part 2: Welcoming Ceremony-Report of the General Assembly

  • Résolution No. 3

  • Published online by Cambridge University Press:
    13 March 2018, pp. 54-55
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Meeting Report

  • Working Group on Solar Activity Cooperative Programs

  • P. Simon
  • Published online by Cambridge University Press:
    25 April 2016, pp. 106-107
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  • Although worldwide cooperation in surveying activity has had a long history, the continuation of international programs in this area is compromised by several factors, in particular by an overall decrease of financial support which has led to concentration of our limited resources and efforts on the large research instruments. In such a situation we believe it important not to lose sight of the fact that systematic data on the ‘full disk’ state of solar activity is still, and will remain, of great significance to students both of the Sun and of the Earth and its environment. As examples, we note that the large quantity of space data (e.g., on X-rays, EUV particles, and fields) cannot be fully studied without the supporting data obtained in classical ground-based optical and radio surveys; the same applies to magnetospheric observations.

    Nor can we always know what critical future needs will be satisfied by our systematic daily surveys. An obvious example is the daily measure of sunspot area, others are provided by the Cartes de la Chromosphère and the Mount Wilson magnetograms which for years at a time have attracted little interest and quite suddenly have emerged as source data of inestimable value in quite unanticipated studies.

General Assembly

Part 2: Welcoming Ceremony-Report of the General Assembly

  • Résolution No. 4

  • Published online by Cambridge University Press:
    13 March 2018, pp. 54-55
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Meeting Report

  • Working Group on Magnetograph Calibration

  • J. M. Beckers
  • Published online by Cambridge University Press:
    25 April 2016, pp. 108-122
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  • Solar Radio Astronomy*

  • D. J. McLean
  • Published online by Cambridge University Press:
    25 April 2016, pp. 122-128
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General Assembly

Part 2: Welcoming Ceremony-Report of the General Assembly

  • Résolution No. 5

  • Published online by Cambridge University Press:
    13 March 2018, pp. 54-55
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Meeting Report

  • 12. Radiation and Structure of the Solar Atmosphere

  • Published online by Cambridge University Press:
    25 April 2016, pp. 129-148
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General Assembly

Part 2: Welcoming Ceremony-Report of the General Assembly

  • Résolution No. 6

  • Published online by Cambridge University Press:
    13 March 2018, pp. 54-56
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Page 2 of 10