• 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).

Routines and Libraries

• SPEX - http://www.sron.nl/divisions/hea/spex
  • Contains routine for calculating DEM from spectral data http://www.sron.nl/divisions/hea/spex/version1.10/trpb05.ps.gz
• CHIANTI atomic database - http://www.damtp.cam.ac.uk/user/astro/chianti/chianti.html
  • Contains a routine for calculating DEM from spectral data http://www.damtp.cam.ac.uk/user/astro/chianti/doc/cug.html#tth_sEc8.12
• ADAS - http://adas.phys.strath.ac.uk/
  • Contains routines for calculating DEM from spectral data http://adas.phys.strath.ac.uk/docs/idl-manual/chap7-00.pdf
  • N.B. In order to get and use ADAS, you need to be affiliated with one of the consortium members. RAL is a consortium member.

  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 - 22 Mar 2005

  -- ElizabethAuden - 11 Jan 2005

• 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