# # osac_parameters.rdb # ------------------- # # OSAC mirror parameters, taken from memo of P. Zhao, 24 June 1996 # # # mirror_data.rdb # --------------- # # The lengths are from WAP's email of 29 September 1995 # (WAP-19950929.txt) # The offsets and origins are are taken from WAP's email of 10 April 1996 # (WAP-19960410.txt) # The clocking angles are from WAP's memo of 29 May 1996 WAP-FY96-001, Rev 4 # (WAP-19960529.ps) # The zero point of the coordinate system is Datum A of the CAP. # The revised axial body center locations are from WAP's new_hrma.rdb # in /ceaxaf1/ekc/HRMA_models/new_hrma/; see also WAP-19970327.txt. # # Alignment parameters derived by TJG from QN values in AZMIS.avg in # /ceaxaf1/ekc/hats_data/hrma_atp. # . obtain alignment coefficients in double-pass saodrat coordinates: # . assume Q2 coma arises from pure H tilts [F_H = 9607 mm]: # azmis_dp[arcsec] ~= -q2_real /(2 F_H) * rad_to_arcsec # elmis_dp[arcsec] ~= +q2_imag /(2 F_H) * rad_to_arcsec # . remove H-tilt effect from Q0: Q0' = Q0 - Q2* ['*' = complex conjugate] # . remove R^2-weighted Q0': Q0'' = Q0' - (R^2-weighted sum of Q0') # . interpret Q0'' as pure lateral translation of mirror pair as a whole: # dX_dp_H = dX_dp_P ~= (1/2) Q0''_real # dY_dp_H = dY_dp_P ~= (1/2) Q0''_imag # [Note: mirror_data.rdb doesn't include the P to H decenters calculated # from the XRCF data; see decen.rdb.] # . convert from double-pass saosac coordinates to standard saosac coordinates: # azmis = -azmis_dp; elmis = elmis_dp # dX = +dX_dp; dY = -dY_dp; dZ = -dZ_dp # (References: TJG-19961007A.txt, TJG-19961007B.txt, TJG-19961007C.txt, # WAP-19961008.txt, WAP-19961108.txt) # # # decen.rdb: # --------- # # P-to-H Decenter parameters derived from XRCF HSI off-axis images # (single shell); used pitch=0, yaw=-20 arcmin data. # mirror x0 y0 z0 p k rho0 theta0 az_mis el_mis l node z_f z_a rho_f rho_a 6S 11S 10N 9N 23N 20N 18N 11N ------ ------ 7N ---- --- --- ----- ----- h1 -1.154e-01 -2.060e-01 481.0146 -1.7797716637950735E-03 -26.0506034413416841 579.89015840093919 0 0.000672059134040231 0.00123484664976509 842.1920 24.9555 59.9186 902.1106 598.5083 560.6541 h3 -8.365e-02 -2.345e-01 480.9282 -1.1532395834759916E-03 -16.875942397594130 466.64379784205380 0 0.000515063949465614 0.00138731246068735 842.1970 24.9555 59.8297 902.0267 481.6319 451.1580 h4 -8.386e-02 -2.065e-01 480.8279 -8.9864417477996457E-04 -13.150318066441841 411.91935912458604 0 0.000513002156880169 0.00123195192376053 842.2250 24.9555 59.7154 901.9404 425.1507 398.2487 h6 -1.096e-01 -2.067e-01 479.2152 -4.9625995845653374E-04 -7.2620248152618760 306.09851668776219 0 0.000658904663372658 0.00124699759199671 842.2000 24.9555 58.1152 900.3152 315.9310 295.9396 p1 1.239e-01 2.151e-01 -426.5761 0.0 -8.9333113530131421 606.86080963697918 0 0 0 842.2150 24.9555 -847.6836 -5.4686 613.0284 600.6299 p3 8.675e-02 2.437e-01 -436.7098 0.0 -5.7939624154424676 488.46244215611011 0 0 0 842.2080 24.9555 -857.8138 -15.6058 493.4321 483.4417 p4 8.634e-02 2.168e-01 -440.3572 0.0 -4.5165799273846270 431.26225933154404 0 0 0 842.2080 24.9555 -861.4612 -19.2532 435.6501 426.8293 p6 8.625e-02 2.245e-01 -445.0821 0.0 -2.4957050467401789 320.56977725634789 0 0 0 842.2090 24.9555 -866.1866 -23.9776 323.8316 317.2745