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DEM Computation

Description

  • Inputs: AIA images in multiple wavelengths.

  • Outputs: DEM curves for each pixel.

  • Problem: AIA images from several channels will be taken to create DEM curves for each pixel.

Literature Search

  • Intensity integral inversion techniques: A Study in preparation for the SOHO mission R A Harrison (Rutherford), A M Thompson (Glasgow U.). RAL internal report

    Please see DemComputationRalReport for further information on this report. - ElizabethAuden

  • Coronal Thermal Structure from a Differential Emission Measure Map of the Sun.
    J.W.Cook, J.S.Newmark, and J.D.Moses. 8th SOHO Workshop: Plasma Dynamics and Diagnostics in the Solar Transition Region and Corona. Proceedings of the Conference held 22-25 June 1999
  • EIT User's Guide http://umbra.nascom.nasa.gov/eit/eit_guide/
  • J.W.Cook, J.S.Newmark, and J.D.Moses. American Astronomical Society, 194th AAS Meeting, #100.03; Bulletin of the American Astronomical Society, Vol. 31, p.996
    • Unfortunately this only provides the abstract from the meeting

  • J.S.Kaastra, R.Mewe, D.A.Liedahl, K.P.Singh, N.E.White, and S.A.Drake. Astron. Astrophys. 314, 547-557 (1996).
  • V.Kashyap and J.J.Drake. Astrophysical Journal. 503, 450-466 (1998).
  • M.Gudel, E.F.Guinan, R.Mewe, J.S.Kaastra, and S.L.Skinner. Astrophysical Journal. 479, 416-426 (1997).
  • DEM Computation with AIA - http://lasp.colorado.edu/sdo/meetings/session_1_2_3/presentations/session1/1_05_Golub.pdf

    Routines and Libraries

  • SPEX - http://www.sron.nl/divisions/hea/spex

  • CHIANTI atomic database - http://www.damtp.cam.ac.uk/user/astro/chianti/chianti.html

  • ADAS - http://adas.phys.strath.ac.uk/

  • PINTofALE (Package for INTeractive Analysis of Line Emission
    • IDL code by Kashyap and Drake based on Markov-Chain Monte-Carlo approach

    Test Data

    EIT data (all wavelengths).

    Comments

    Need to obtain multi-layer's response as a function of wavelength to this - if it isn't available due to ITAR, this is a problem.

    -- SimonMartin - 03 May 2005 -- ElizabethAuden - 11 Jan 2005

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    Topic revision: r8 - 2005-06-29 - ElizabethAuden
     
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