#filename: beam_cen_961223.rdb # Beam center data file for the data taken during the # "on-axis" phase of Phase 1 XRCF testing. Beam cen # data from Kathy Flanagan, modified as noted. # Times are shown as well. # Z values have been corrected for the drift indicated by the zero-order # data points; all zero-order points have value 33500, therefore. # # 21:52, 22:44, 23:39 : # LEG 0 -318537. 33513. 1.4867 # LEG +1 -311141. 33531. 1.4867 # LEG -1 -325930. 33562. 1.4867 # # 0:46 and 1:38 : # MEG 0 -318529. 33579. 1.4867 # MEG +1 -300285. 35092. 1.4867 # # 2:32, 3:21 : # HEG 0 -318535. 33610. 1.4867 # HEG +1 -282083. 30259. 1.4867 # # add 15 to the Y values to have zero-order # at the same Y location as other HEG measurements # do this for the LEG +/- 9 and MEG too... # taken at 6:03 and 8:04: # LEG -9 -385128. 33695. 1.4867 # LEG +9 -252018. 33611. 1.4867 # # 9:39, 10:17 : # HEG -1 -355007. 37002. 1.4867 # HEG 0 -318550. 33668. 1.4867 # # 11:02 : # MEG -1 -336792. 32171. 1.4867 # # ERRORS # Y and Z errors are (1 sigma). # Because of Z drift of beam of as much as 22 um/hour # a Z error of 10 um is used for 20 um pinholes, and # 20um for 70 um pinholes (LEG +/- 9 orders). # For Y errors 5 um is used for 20 um pinhole measurements # and 20 um error for 70 um pinholes (LEG +/- 9 orders). # grating order Y Z E Yerr Zerr S N N N N N N LEG 0 -318537. 33500. 1.4867 5.0 10.0 LEG +1 -311141. 33501. 1.4867 5.0 10.0 LEG -1 -325930. 33517. 1.4867 5.0 10.0 MEG 0 -318529. 33500. 1.4867 5.0 10.0 MEG +1 -300285. 34997. 1.4867 5.0 10.0 HEG 0 -318535. 33500. 1.4867 5.0 10.0 HEG +1 -282083. 30144. 1.4867 5.0 10.0 LEG -9 -385113. 33560. 1.4867 20.0 20.0 LEG +9 -252003. 33461. 1.4867 20.0 20.0 HEG 0 -318535. 33500. 1.4867 5.0 10.0 HEG -1 -354992. 36840. 1.4867 5.0 10.0 MEG -1 -336777. 32001. 1.4867 5.0 10.0