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[[Commissioning and Science Verification]]

* Optical Pointing > Update of MainRef pointing model [#x34ff22b]

:What's this page?|
This page describes the way to update the pointing model of the main reflector.

:Revision history|
-- 2010-04-13 - Updated by B. Hatsukade (astepon2010_red.txt)
-- 2010-05-17 - modified for wiki by B. Hatsukade
-- 2010-09-09 - modified for wiki by B. Hatsukade
-- 2016-08-01 - Modified for Linux COSMOS3 by Kamazaki,T.

:Table of contents|
#contents

----

** How to update the MainRef pointing model [#t2ccc00b]
1. Login to the ASTE site control computer (aste-1c) with ''astecntl''
 % ssh astecntl@aste-1c

2. Change your directory to /cosmos3/aste/etc/
 astecntl@aste-1c: cd /cosmos3/aste/etc/

3. Record a file name linked from ''antg_main_err.dat'' to an observation log
 astecntl@aste-1c: ls -l antg_main_err.dat
 lrwxrwxrwx   1 astecntl astctl   26 Jul 6 13:25 antg_main_err.dat ->  antg_main_err.dat.20090705

4. Copy the linked file to create a new MainRef pointing model file
 astecntl@aste-1c: cp -p antg_main_err.dat.YYYYMMDD antg_main_err.dat.yyyymmdd
 YYYYMMDD: date of the linked file name
 yyyymmdd: created date of the new file

5. Update the KISA file
- ''ADD'' the MATLAB solutions (14 parameters) of all-sky pointing data to the parameters used in pointing measurements. Note that two parameters (P9 and P10) of 16 parameters should be fixed and remaining 14 parameters will be updated.

- An example of MainRef pointing model file
 # main err parameter
 
 P1:(A1-F4+G1) = +0.002756
 P2:(A2+C1)    = +0.004857
 P3:A3         = +0.430331
 P4:B1         = -0.000942
 P5:B2         = -0.002129
 P6:(B3+D0+F3+G2+C2) = -0.04708
 P7:(D1-H5)    = -0.00478
 P8:(D2+H6)    = +0.00707
 P9:(D3+H7)    = +0.00111
 P10:(D4+H8)   = +0.00000
 P11:F1        = -0.000156
 P12:F2        = +0.000208
 P13:H1        = +0.000082
 P14:H2        = -0.000188
 P15: H3       = +0.000668
 P16:H4        = +0.000261

6. Remove the old symbolic link and create a new symbolic link to the new ''antg_main_err.dat.yyyymmdd'' file
 astecntl@aste-1c: rm antg_main_err.dat
 astecntl@aste-1c: ln -s antg_main_err.dat.yyyymmdd antg_main_err.dat
 astecntl@aste-1c: ls -l antg_main_err.dat
 lrwxrwxrwx   1 astecntl astctl   12 Mar 6 04:14 antg_main_err.dat -> antg_main_err.dat.yyyymmdd

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