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JWST Fine Guidance Sensor Status of Testing the FGS ETU Pierre Chayer, André Martel, Kevin Volk, Sherie Holfeltz, Alex Fullerton, Ed Nelan May 20, 2010 1 FGS and Optical Telescope Element Pick-Off Mirror Focus Mirror Detectors 100 mm TMA Mirrors 2m May 20, 2010 2 FGS Optical Assembly May 20, 2010 3 FGS Test Configuration May 20, 2010 4 Optical Ground System Equipment (OGSE) Adjusting cell & optical fibers Al Interface plate Telescope tower May 20, 2010 Cable support structure 5 OGSE Point Sources Type 1: 0.8 to 2.5 μm Type 2: 0.8 to 2.5 μm, ± 40 μm travel May 20, 2010 6 FGS ETU Test Setup May 20, 2010 7 FGS Detector Assembly May 20, 2010 8 FGS ETU May 20, 2010 9 FGS ETU May 20, 2010 10 David Florida Laboratory TV3 Chamber May 20, 2010 11 Cryo-Vac Test Configuration port 14 (top of chamber) DFL supplied grounding wire, fixed to aluminum base plate common grounding bar B 16 x 16 tent port 7 (side of chamber) ports 4 & 5 (lower side of chamber) FVTS Gro u n d Eq u ip m e n t Ra ck DHAS/ Ro se Re m o te te rm in a l FVTS Flig h t Ra ck unit under test ground OGSE EM EU Rackmount OGSE co n tro l ta b le /ESD m a t Eclip se Clie n t ETU EU 12 x 12 tent ITAR Cage pass thru opening in wall TFI heaters DCpower supply Contam. Heaters DCpower supply PRD ESD sensitive area , ensure all ESD protective measures are followed within boundry ThermalChamber Facility ESD ground point Shelving unit May 20, 2010 12 May 20, 2010 4/8/2010 0:00 4/7/2010 0:00 4/6/2010 0:00 4/5/2010 0:00 4/4/2010 0:00 4/3/2010 0:00 4/2/2010 0:00 4/1/2010 0:00 3/31/2010 0:00 3/30/2010 0:00 3/29/2010 0:00 3/28/2010 0:00 3/27/2010 0:00 3/26/2010 0:00 3/25/2010 0:00 3/24/2010 0:00 3/23/2010 0:00 3/22/2010 0:00 3/21/2010 0:00 3/20/2010 0:00 3/19/2010 0:00 3/18/2010 0:00 Temperature (K) Thermal Results Details ETU CVAC Test - Run #3 300.00 250.00 KM Average 200.00 IP Average FGS Average 150.00 OGSE Average 100.00 Aluminium Plate Average DiodePlatAvg 50.00 DiodeGHeAvg DiodeMainAvg 0.00 Date 13 FGS ETU CVAC Plan • Focus Sweeps: Best Focus Position. • Performance • Tracking • Fine Guiding • Demonstration • Acquisition • Identification May 20, 2010 14 Full Frame Image Light Check For Normal gain, the Big Square is fully saturated on the first frame and the perimeter is fully saturated by the second frame… 4 1366_FGSG2_ETU_IMGFUNC_FF_6_498_S_2010-03-25T13h47m35 (1) x 10 200 6 200 400 400 1366_FGSG2_ETU_IMGFUNC_FF_6_498_S_2010-03-25T13h47m35 (2) 6 600 800 800 4 Row (pixels) Row (pixels) 5 600 1000 1200 3 1600 1600 1800 1 1800 400 May 20, 2010 600 800 1000 1200 Column (pixels) 1400 1600 1800 2000 4 3 1200 1400 2 200 5 1000 1400 2000 4 x 10 2000 0 2 1 200 400 600 800 1000 1200 Column (pixels) 1400 1600 1800 2000 0 15 OGSE On Raw and CDS(2-1) MOSAIC of OGSE spots. All spots except for 2-7 visible. 4 1371_MOSAIC_raw 1371_MOSAIC_cds x 10 200 400 0.0 2000 6 200 1800 400 1600 5 2-6 600 2-9 2-3 600 1400 8004 1200 500.0 2-1 2-4 1000.0 1000 Row (pixels) Row (pixels) 800 2-5 1200 1000 1000 3 1200 800 1500.0 1400 2-A 2-7 14002 600 2000.0 1600 0.0 500.0 1000.0 1500.0 1600 2000.0 400 1 1800 1800 2000 2200 2400 May 20, 2010 2600 2800 3000 3200 Column (pixels) 3400 3600 3800 4000 2000 0 200 2200 2400 2600 2800 3000 3200 Column (pixels) 3400 3600 3800 4000 0 16 Acquisition 1811_FGSG2_ETU_ACQDEMO_6_498_S_2010-03-31T16h16m48 CnS1 1811_FGSG2_ETU_ACQ2_6_498_S_2010-03-31T16h16m49 CnS1 7000 7000 5 6000 10 5000 5000 40 Row (pixels) 6000 20 4000 15 3000 Row (pixels) 20 4000 60 2000 25 1000 3000 30 80 5 2000 100 10 15 20 Column (pixels) 25 30 0 ACQ2 1000 120 20 40 60 80 Column (pixels) 100 120 0 ACQ 1 May 20, 2010 17 Tracking & Fine Guiding 14000 12000 10000 8000 TRK1 (1863) 6000 FG2 (1866) 4000 FG1 (1864) 2000 0 May 20, 2010 0 2000 4000 TRK2 (1865) 6000 8000 10000 12000 14000 16000 18 64x2048 Strip Mosaic This test produced all 32 strips in the FITS file ok. 4 (64x2048) Mosaic [1369_FGSG2_IMGFUNC_FULLSTRIP_6_498_S_2010-03-25T15h52m24] x 10 6 200 400 5 600 Row (pixels) 800 4 1000 3 1200 1400 2 1600 1 1800 2000 1000 May 20, 2010 2000 3000 4000 Column (pixels) 5000 6000 7000 8000 0 19 Background level May 20, 2010 20