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Spectrometer HELLRIDE as a Testing Ground for Fulldisk Velocity Mapping

Spectrometer HELLRIDE as a Testing Ground for Fulldisk Velocity Mapping Joachim Staiger, KIS Freiburg. - HELLRIDE Overview First Observations at VTT 2013 Problems Ongoing Development Fulldisk „Lab“ Fulldisk Tests 2014. HELLRIDE Overview.

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Spectrometer HELLRIDE as a Testing Ground for Fulldisk Velocity Mapping

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  1. SpectrometerHELLRIDEas a TestingGround forFulldiskVelocity Mapping Joachim Staiger, KIS Freiburg • - HELLRIDEOverview • First Observationsat VTT 2013 • Problems • Ongoing Development • Fulldisk „Lab“ • Fulldisk Tests 2014

  2. HELLRIDEOverview Instrument Type: 2D Fabry-Perot Spectrometer Operation Focus: Multiline Operation 16 Bands available 100“-by-100“ FOV standard 300“-by-300“ synthetic Fulldisk ?

  3. HELLRIDEOverview HELLRIDEstandsfor HELioseismologicalLarge RegionsInterferometricDevice

  4. HELLRIDEOverview Scientific Target: - AnalysingWaves in theAtmosphere - AnalysingFlares Requirements: - Long Recording Times Oportunity: - Future VTT Usage

  5. HELLRIDEOverview Development Goals - Simple Design - Easy Handling - Step-by-Step Approach - Costeffective Approach (Stock / Scrap)

  6. HELLRIDEOverview Optical Layout - Dual Etalon Tandem Configuration - Collimated Beam Design

  7. HELLRIDEOverview Etalons - IC Optical EC50 and EC70 - 530 nm – 860 nm

  8. HELLRIDEOverview Narrowband Filter Mount - 4 x 4 Matrix - 0.5 μRepositioning

  9. HELLRIDEOverview Narrowband Filter Mount - 4 x 4 Matrix - 0.5 μRepositioning

  10. HELLRIDEOverview NarrowbandDetector - Dalsa 1M30 CCD - 14 μ Pixel Square - 4-Axis Mount

  11. HELLRIDEOverview „Onboard“ Software - System Simulation - Data Quicklook - Ringdiagramm Pipeline (64 x 64)

  12. HELLRIDEOverview Status: Installedat VTT since 2013

  13. First Observations 2013 Campaign 1: A. Wisniewska (April, 6 Days) Campaign 2: A. Wisniewska (September, 6 Days) Sunspot / Quiet Sun 2 SpectralLines (5434 / 5890) Cadence 15 secs 10 Hour Records

  14. First Light Results 2013, A.Wisniewska Linear Powerspectrum, 2 Hours, 5434 Angstr. Pixel Average

  15. First Light Results 2013, A.Wisniewska Ringdiagram 64x64, 8 Hours 5434 Angstr., 3.0 mHz

  16. First (andonly) Multiline Test 2009 Multiline Ringdiagramms 4 Hours, 60 secsCadence, 16 Lines Using GFPI Etalons Spectral Lines: 517.2 nm Mg I 20 Scansteps 538.0 nm C I 15 Scansteps 538.1 nm Fe I 15 Scansteps 538.2 nm Ti I 15 Scansteps 543.4 nm Fe I 10 Scansteps 557.6 nm Fe I 20 Scansteps 589.6 nm Na I 30 Scansteps 590.0 nm Na I 30 Scansteps 630.1 nm Fe I 20 Scansteps 630.15 nm Telluric 15 Scansteps 630.2 nm Fe I 15 Scansteps 654.5 nm H-Alpha 25 Scansteps 632.0 nm He-Ne 15 Scansteps 709.1 nm Fe I 20 Scansteps 777.1 nm Fe I 20 Scansteps 777.2 nm Fe I 10 Scansteps

  17. First (andonly) Multiline Test 2009 Multiline Ringdiagramms 4 Hours, 60 secsCadence, 16 Lines Using GFPI Etalons

  18. Problems andShortcomings Crash after appr. 2 hours:Resolved - Axis 2 Malfunction:Not yetresolvedSpring 2014 Graphics Overload: Not yetresolvedSpring 2014 Camera Upgrade: Not yetresolvedAutumn 2014 Outdated VTT Handling UnderdevelopmentSpring 2014 Environmental Exposure:Not yetresolved2014 / 2015 Image Motion: Not yetresolvedSpring 2015 Lateral FOV DriftsUnderdevelopment2015 / 2016 Data Processing Software: Underdevelopment2015

  19. Problems andShortcomings • Pending Tasks: • Update: Aging Components • Camera System • Computing • Reduce: Thermal Exposure • Straylight • Seeingbased Image Motion • PointingInstabilities

  20. Developments Encasement - Shield off Dust - Shield off Straylight - ReduceTemperatureFluctuations

  21. Developments High Speed Drives - Norotating Parts - Moving EM Field - 10 G Acceleration -

  22. Developments TabletUsage - Versatility - Hardware Reduction - Remote Handling

  23. Developments RealtimeVelocity Mapping - EnableRealtime Ringdiagram-Pipeline - Reduce Data Storage Bottleneck - Enable Remote Operations - Offline Tests Successful - Calibrationwith SDO Pending - Will beimplementedas an Observers Option

  24. Developments Doppler Signal Locking - Laser attachedto Matrix Mount - Continuous Laser Line Scanning

  25. Developments Doppler Signal Locking - Laser attachedto Matrix Mount - Continuous Laser Line Scanning

  26. Developments Doppler Signal Locking - UsingFrequencystabilized Laser (< 3 MHz) - Drift < 2 m/sec, 8 hours - Realtime Peak Location Processing - Feedback to Etalons

  27. Developments New Finesse Calibration - Adust Etalon Plate Parallelity - StabilizeWavelengthPurity

  28. Developments New Finesse Calibration - Adust Etalon Plate Parallelity - StabilizeWavelengthPurity

  29. Developments New Spectroscopic Tracking Problem: - Image Motion - No AO Usageover 10 hours. Solution: - SpectroscopicCorrelation - Individual Wavelength Tracking - OverlayWavelengths

  30. Developments Remote Control Motivation: Off-Lab Monitoring Remote Maintenance Staff Limited Operation Automated Operation Realization: TCP/IP Sockets Client / Server Architecture ASCII Commands

  31. Developments Full Disk Velocity Mapping Tests Goals: - EvaluateExposure Times - Evaluate Scan StepRequirements - EvaluateReadout Options - Evaluate Multiline Options - EvaluateFulldisk / Subfield-Tiling - Test Flat Procedures - Compareto SDO /GONG - Extrapolatefrom 5 cm to 50 cm Aperture

  32. Developments New Absolute Pointing Existing Problem: - ThermallyrelatedDrifts

  33. Developments New Absolute Pointing Thermal Drifts: - May Influence Co-Alignment - May influence Data Analysis - Is InherentPointingShortcoming

  34. Developments New Absolute Pointing Thermal Drifts: - May Influence Co-Alignment - May influence Data Analysis - Is InherentPointingShortcoming

  35. Developments New Absolute Pointing Thermal Drifts: - May Influence Co-Alignment - May influence Data Analysis - Is InherentPointingShortcoming

  36. Developments New Absolute Pointing Thermal Drifts: - May Influence Co-Alignment - May influence Data Analysis - Is InherentPointingShortcoming

  37. Developments New Absolute Pointing Goal: - Develop New Pointing Model

  38. Developments New Absolute Pointing Approach: - GuidingTelescopeis Imaging Telescope - Pointingisof Barcode Type Reading

  39. Developments New Absolute Pointing Tests: - VTT / SDO 2012 - VTT / GONG 2012 - VTT / SUMER / IRIS 2013

  40. Developments New Absolute Pointing Benefits: - Delivering absolute Coordinatescontinuously - First Primary Beam Closed-Loop Operation - SignificantStabilityImprovement - No rigid Link betweenGuidingand Main Telescope - Multiple Telescopes maysharesingleGuidingTelescope - Single Telescopemayuse Multiple Guiding Telescopes - Minimum Engineering required - Off-the-Shelf Components maybeused.

  41. Fulldisk „Laboratory“ Usage: - New Pointing - HELLRIDE Fulldisk Tests - IAC Coelo Test (Solar Orbiter) ?

  42. Fulldisk „Laboratory“ Locations: Fulldisk „Lab“ HELLRIDE

  43. Fulldisk „Laboratory“ Test Setup 2012: - Setup HELLRIDE Data Aquis. System - DivertGuiding Beam toDalsa - Fit Sun toDetector - RecordFulldiskat Short Cadence

  44. Fulldisk „Laboratory“ Test Setup 2012:

  45. Fulldisk „Laboratory“ Test Setup 2012: Problems: - Mounting / Dismountingrequired - Vertical Optical Axis - „Transit“-Area

  46. Fulldisk „Laboratory“ New Setup 2013 / 2014:

  47. Fulldisk „Laboratory“ New Setup 2013 / 2014:

  48. Fulldisk „Laboratory“ New Setup 2013 / 2014:

  49. Fulldisk „Laboratory“ New Setup 2013 / 2014:

  50. Fulldisk „Laboratory“ New Setup 2013 / 2014: - SecludedLocation off „Transit“-Area - BeamsplitterinsteadofMirror - Continuous Operation - Horizontal Optical Bench - Elevator Access („HELLRIDE Drive-In“) - Standard HELLRIDESoftware maybeused - Retrofit time appr. 1 – 2 hours

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