HESSI GRID PARAMETER TABLE
ITEM 1F 1R 2F 2R 3F 3R 4F 4R 5F 5R 6F 6R 7F 7R 8F 8R 9F 9R
1cA 1Cb 2Ba 2Bb 3C 3B 4B 4C 5C 5A 6C 6B 7C 7B 8C 8B 9C 9B
Label GPT3-3
Version Date 21-Feb-02
Description GH: Best estimates based on preflight data.
Pitch 0.033998 0.033998 0.058996 0.058996 0.10200 0.10200 0.17699 0.17699 0.30599 0.30599 0.52998 0.52998 0.91793 0.91793 1.5899 1.5900 2.7549 2.7550 mm
Phase 0.0128 0 0.0045 0 0.0623 0 0.0052 0 0.0717 0 0.2125 0 0.2494 0 1.3616 0 2.6094 0 mm
Orientation 202.5678 202.5671 157.5678 157.5666 202.5808 202.5794 157.5414 157.5418 224.9468 224.9355 135.0126 135.0194 45.0401 45.0384 0.0821 0.0791 90.0685 90.0089 deg
Rmserror 0.0010 0.0010 0.0013 0.0013 0.0010 0.0013 0.0009 0.0009 0.0089 0.0108 0.0061 0.0060 0.0055 0.0099 0.0064 0.0086 0.0168 0.0160 mm
Slit 0.0279 0.0282 0.0413 0.0412 0.0674 0.0671 0.1254 0.1262 0.177 0.178 0.328 0.326 0.494 0.493 0.826 0.828 1.481 1.478 mm
Thickness 1.250 1.230 2.042 2.045 3.564 3.518 6.134 6.137 10.70 10.70 18.56 18.56 6.19 6.19 6.18 6.18 29.94 29.94 mm
Slit edge -0.0037 -0.0038 0.0036 0.0042 0.0085 0.0090 0.0108 0.0100 0 0 0 0 0 0 0 0 0 0 mm
Slat lin.density 0.000707 0.000669 0.00631 0.00636 0.0225 0.0226 0.0575 0.0566 0.264 0.262 0.716 0.723 0.491 0.492 0.897 0.895 7.24 7.26 g/cm
Tilt 0.021 -0.006      0.016 -0.010 -0.005 -0.012 -0.013 -0.025 -0.091 -0.084 0.012 -0.047 0.033 -0.016 0.022 0.041 -0.037 -0.050 deg
Spiral -0.0021 -0.0061 -0.0011 0.0014 -0.0003 0.0015 0.0013 -0.0079 0.0044 0.0035 0.0053 0.0016 0.0034 0.0042 0.0063 0.0036 0.0070 0.0038 deg
Slat material Mo Mo W W W W W W W W W W W W W W W W
Bridge mat. Mo Mo W W W W W W FeNi FeNi FeNiCu FeNiCu FeNiCu FeNiCu FeNiCu FeNiCu Invar Invar
Bridge period 1.0 1.0 1.0 1.0 2.0 2.0 2.0 2.0 20.8 20.8 20.8 20.8 20.8 20.8 20.8 20.8 20.8 20.8 mm
Bridge width 0.106 0.106 0.054 0.054 0.113 0.113 0.122 0.122 1.90 1.90 1.55 1.55 1.55 1.55 1.55 1.55 1.00 1.00 mm
Bridge height 1.250 1.230 2.042 2.045 3.564 3.518 6.134 6.137 21.0 21.0 30.2 30.2 17.2 17.2 17.2 17.2 37.8 37.8 mm
Bridge lin.dens 0.0123 0.0122 0.0193 0.0193 0.0737 0.0732 0.1355 0.1546 2.32 2.32 1.60 1.60 1.19 1.19 1.30 1.30 0.83 0.83 g/cm
Grid position 1772.541 222.684 1771.834 221.984 1771.114 221.287 1769.918 220.009 1767.179 217.361 1763.546 213.640 1769.738 219.876 1769.711 219.914 1757.856 207.997 mm
Comments: GPT3-3 represents the complete description of grid parameters, based on preflight data.
Grid 1-4 parameters based on grid1-4may01.xls, as of 24-may-01
Grid 5-9 parameters based on grid5-9may01.xls as of 21-may-01
Grid 5-9 bridge parameters based on VBC Bridge Parameters as of 29-May-01  (VBC Bridge Model 29may01.xls)
Grid 5-9 bridge separation based on BridgeCorr.xls as of 16-apr-01.
Orientation, phase, grid position, and tilt based on AZgridCoordsFeb2002.xls which incorporate Feb 20 corrections.
Orientation and tilt angular conventions are consistent in context of Grid Fiducial coordinate systems.
Spiral values based on ogcfangsum.xls.
Tilt values based on shimtable.xls as adjusted for GF sign conventions.
Tilt tray corrections calculated in CorrGridTIlt.xls
Pitch and Rmserror data based on ogcfposum.xls.
Front grid phase data represents difference between front and grid preflight phase values.
Slit-edge values semi-optimized using hessi_grm_calc runs of 24-may-01.
Assumed Fe:Ni:Cu composition ratios of FeNi, FeNiCu and Invar are: 91:09:00,  34:18:48, 64:36:00 respectively.
Boxed area should be pasted into a text file named 'label.TXT' which is read by hsi_rd_grid_parm_table