The Sun as a Variable Star: Proceedings of the 143rd Colloquium of the International Astronomical Union Held in the Clarion Harvest House, Boulder, Colorado, June 20-25, 1993

The Sun as a Variable Star: Proceedings of the 143rd Colloquium of the International Astronomical Union Held in the Clarion Harvest House, Boulder, Colorado, June 20-25, 1993 : Solar and Stellar Irradiance Variations

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The papers in this volume aim to represent the most up-to-date research contributions on the observations, theoretical interpretations, and empirical and physical models of variations observed in solar and stellar irradiances, as well as on Sun-climate connections. Both theoretical studies and irradiance observations show that the energy output of the Sun and solar-type stars varies, changing on time scales related to the short-term surface manifestations of solar/stellar magnetic activity as well as long-term modulations driven by processes in the interiors of the stars. Papers presented in this book point out that at the Earth these variations influence the terrestrial climate, radiative environment and upper atmospheric chemistry.
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Product details

  • Hardback | 328 pages
  • 171.45 x 230 x 12.7mm | 734.96g
  • Dordrecht, Netherlands, United States
  • English
  • Revised
  • 2nd Revised edition
  • XII, 319 p.
  • 0792330404
  • 9780792330400

Table of contents

Cryogenic Solar Absolute Radiometer - CSAR. A Review of the Nimbus-y ERB Solar Dataset. Long-Term Variations in Total Solar Irradiance. Solar Total Irradiance Variability from SOVA 2 on Board EURECA. The Periodicity of Solar Activity Cycles. Maximum and Minimum Temperatures at Armagh Observatory 1844-1992, and the Length of the Sunspot Cycle. Photometer "DIFOS" for the Study of Solar Brightness Variations. The Brightness of the Solar Disk in tne Continuum in the Region 1.0-2.4 M. irradiance Observations of the 1-8 A Solar Soft X-Ray Flux from GOES. Comparisons of the Mg II Index Products from the NOAA-9 and NOAA-aa SBUV/2 Instruments. The Solar Ca II K Index and the Mg II Core-to-Wing Ratio. Solar EUV Flux Variations near Activity Maxima. The X-Ray-EUV Spectrum of Optically Thin Plasmas. List of Stars Recommended as Spectrophotometric Standards. Variable Stars with the Hipparcos Satellite. Variation of the Solar Diameter from Solar Eclipse Observations, 1715-1991. Latitudinal Variation of the Solar Limb-Darkening Function. Improvement of the Photometric Sunspot Index and Changes of the Disk-Integrated Sunspot Contrast with Time. Modelling Solar Irradiance Variations with an Area-Dependent Photometric Sunspot Index. On the Cause of Total Irradiance Variations Observed by the CCD Solar Surface Photometer. Latitude and Cycle Variations of the Photospheric Network. Variability of the Solar Chromospheric Network over the Solar Cycle. A YOHKOH Search for "Black-Light Flares". Coronal Index of Solar Activity: Years 1939-1963. Rotational Characteristics of the Green Solar Corona: 1964-1989. Solar Cycle Variation of the Microwave Spectrum and Total Irradiance. Solar Brightness Distribution and its Variability at 3 Millimeter Wavelength. Latitudinal Variability of Large-Scale Coronal Temperature and its Association with the Density and the Global Magnetic Field. Active Region Evolution and Solar Flux Variations. On the Variability of Some Characteristics of Solar Radiative Flux. Lyman-Alpha Line Intensity as a Solar Activity Index in the Far Ultraviolet Range. Modelled Soft X-Ray Solar Irradiances. Cosmic Rays as an Indicator of Solar Activity. Meridional Motions of Sunspot Groups during Eleven Activity Cycles. Radiation-Hydrodynamic Waves and Global Solar Oscillations. Excitation of Solar Gravity Waves. Solar Noise Simulations in Irradiance. Secular Variations in the Spectrum of Solar P-Modes. Solar Cycle Variations in P-Modes and Chromospheric Magnetism. Sunspot Number Uncertainties and parametric Representations of Solar Activity Variations. "Star as a Sun" Observations in Seismology of Distant Stars. Rotating Convection and the Solar Differential Rotation. Variations of the Magnetic Fields of the Sun and the Earth within 7-50 Day Periods. Distinction between the Climatic Effects of the Solar Corpuscular and Electromagnetic Radiation. (Part contents).
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