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LINC-NIRVANA

Wolfgang Gaessler J. Berwein, F. Briegel, F. Kittmann, A. Pavlov, C. Storz MPIA (Germany), INAF (Italy), Universitaet Koeln (Germany), MPIfR (Germany). LINC-NIRVANA. LINC-NIRVANA. 6’. 2 ’. Fizeau Imager with MCAO.  JHK (1-2.4 µm) Pixel: 5.11 mas  /23m: 10 mas (J) - 20 mas (K)

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LINC-NIRVANA

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  1. Wolfgang Gaessler J. Berwein, F. Briegel, F. Kittmann, A. Pavlov, C. Storz MPIA (Germany), INAF (Italy), Universitaet Koeln (Germany), MPIfR (Germany) LINC-NIRVANA

  2. LINC-NIRVANA 6’ 2’ Fizeau Imager with MCAO  JHK (1-2.4 µm) Pixel: 5.11 mas /23m: 10 mas (J) - 20 mas (K) FOV: 10” science 1’x1.5’ FFT 2’ Mid-High AO 6’ GLAO AO Conjugates @ 100 m, 8-14 km (6-8 km) 8 NG stars in MHWS; 12 NG stars in GWS

  3. +60° 0° -60° LINC-NIRVANA Observation Reconstructed 23m Resolution

  4. LN Common SW Software overview OPS • Estimator • Viewer (GUI) OSS • Scheduler • Executor Observation Level ICS Sub-system co-ordination, synchronization System Level TCS Interface wrapper Sub-System Level AOS • 4x System ctrl • 4x Wavefront ctrl IRC • System ctrl • Detector ctr FFT • System ctrl • Piston ctrl • WDHS • optimization • offloading OPS = Observation Preparation SW, OSS = Observation Support SW, ICS = Instrument Control SW, TCS = Telescope Control SW, AOS = Adaptive Optics System, FFT = Fringe Flexure Tracker, IRC = Infrared Camera, WDHS = Wavefront Data Handling System

  5. M1 M1 Hex Hex 1kHz 1kHz M2 M2 GWS GWS DM DM 2kHz 2kHz HWS HWS Piston 728Hz FFTS WDHS TCS >1Hz >1Hz Control Architecture

  6. Computer 9 Power 4.2kW Space 19” 54RU Ethernet/26Fiber/2BCU/Vibration?

  7. InsMode Single LINC NIRVANA ObsMode Staring Nodding <5” Dithering >5” Instrument/Observation Modes

  8. Launch Observation Start De-Rot Move MHWS Preset Telescope (<130s) Set MHWS r/l (67s) Set GWS r/l (84s) Start GWS (287s) Set FFTS (120s) Set IRCS (120s) Start FFTS (180s) Start MHWS (166s) Move FFTS Offset (nod120/dith600s) Move GWS Science Exposure Science Exposure Observation procedure

  9. Target Selector File • Observation Program Editor • Instrument Setup Editor • Observation Block Editor File Observation Preparation (off LBT) Elevation Plot • Visual Target Tuner • Reference Star Selector • Position Editor • Offset Pattern Editor Performance Estimator File File File • Creates one or more OP • OP = Sum of OB for one or more targets • Simpelst OP = one OB for one target LN OP Repository @ LBT Targets/Reference

  10. OB OB OB Observation Selection @LBT LN OP Repository @ LBT OPS File • Procedures • Staring • Nodding • Dithering • Changing Filter • Offset • End Executor Planner

  11. Observation Execution Engineering Operation Status Display Alarm Display Executor AOS GWSL AOS HWSL AOS HWSR AOS GWSR FFTS IRCS WDHS

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