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Sunrise inversion Strategies

Sunrise inversion Strategies. Andreas Lagg. The IMaX spectral environment. The IMaX spectral environment. The IMaX spectral environment. The relevant environment. FTS. FTS * 85mA Gauss. The relevant environment. FTS * 85mA Gauss. The relevant environment.

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Sunrise inversion Strategies

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  1. Sunrise inversionStrategies Andreas Lagg

  2. The IMaXspectralenvironment

  3. The IMaXspectralenvironment

  4. The IMaXspectralenvironment

  5. The relevant environment FTS FTS * 85mA Gauss

  6. The relevant environment FTS * 85mA Gauss

  7. The relevant environment FTS * 85mA Gauss, 6 km/s upflow

  8. Milne-Eddington Inversion • 8 freeparameters:B-strength, -azimuth, -inclinationLOS-velocityDoppler-broadeningDampingparametersourcefunctiongradientsourcefunctionatτ=0 • 85 mÅ FWHM Gaussianconvolution IMaX filter • Inversion Codes:VFISV (Borrero), HeLiX+ (Lagg), … • Test Data Set: • 2009-06-09, 163-208

  9. VFISV: Continuumlevel 2009-06-09, 163-208

  10. VFISV: LOS-Velocity 2009-06-09, 163-208

  11. VFISV: Inclination 2009-06-09, 163-208

  12. VFISV: Azimuth 2009-06-09, 163-208

  13. VFISV: B (FF=1) 2009-06-09, 163-208

  14. HeLIx+: B(FF=1) 2009-06-09, 163-208

  15. localstraylightcorrection weight 1 additional freeparameter (FF) 2009-06-09, 163-208

  16. HeLIx+: B(FF=1), nolocalstraylight 2009-06-09, 163-208

  17. HeLIx+: Add localstraylight, BxFF 2009-06-09, 163-208

  18. HeLIx+: localstraylight, B strength 2009-06-09, 163-208

  19. HeLIx+: localstraylight, B inclination 2009-06-09, 163-208

  20. HeLIx+: localstraylight, magn. FF 2009-06-09, 163-208

  21. HeLIx+: localstraylight, B strength high B (1.5 kG)B vert. (11°)high FF (0.75) 2009-06-09, 163-208

  22. HeLIx+: localstraylight, B strength low B (110 G)B horiz (93°)high FF (0.75) 2009-06-09, 163-208

  23. HeLIx+: localstraylight, B strength 2009-06-09, 163-208

  24. HeLIx+: LOS-velocity, magn. comp. 2009-06-09, 163-208

  25. Inversions: ME vs. numerical RTE solver • 8 freeparameters: • B-strength • B-azimuth • B-inclination • LOS-velocity • Doppler-broad. • Dampingparameter • sourcefunc grad • sourcefuncatτ=0 • fast & simple • 7 freeparameters: • B-strength • B-azimuth • B-inclination • LOS-velocity • Micro-Turbulence • Macro-Turbulence • Temperatureatτ=0 • ‚physical‘ param. • multi-line • complexatmosphereeg. gradients • slow

  26. SPINOR Fit to FTS caneasily handle ±6km/s

  27. Milne Eddington Num. RTE Solver

  28. Milne Eddington Num. RTE Solver

  29. Summary & Outlook • Goodagreement:VFISV ↔ HeLIx+ ↔ SPINORmagnetographformula? • LocalStraylightcorrectionisfeasible • Numerical RTE Solver (SPINOR) promising • Determinecorrectparametersforlocalstraylightcorrection (limbdata) • implementlocal-straylightto SPINOR • compare VFISV ↔ SPINOR maps • high LOS velocities: testlineblending • strong fieldregions: test VLOS, B-gradient

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