The Sun pp 56-119 | Cite as

Tools for Solar Observation

  • Michael Stix
Part of the Astronomy and Astrophysics Library book series (AAL)


The Sun is a main-sequence star of average mass, luminosity, and effective temperature — one of about 1011 in our galaxy. The only distinction is that the Sun is much closer to us. Next to the Sun the nearest star, α Centauri with its companions, is more than 105 times farther away. This has two consequences: First, the Sun is the only star where details on the surface can be spatially resolved; and second, the flux of radiation from the Sun is so intense that many studies which cannot be undertaken with other stars are possible, in particular those which simultaneously require very high spectral resolution and high resolution in space and time.


Point Spread Function Circular Polarization Modulation Transfer Function Solar Image Solar Observation 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1989

Authors and Affiliations

  • Michael Stix
    • 1
  1. 1.Kiepenheuer-Institut für SonnenphysikFreiburgFed. Rep. of Germany

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