Commissioning and Science Verification

Optical Pointing > Optical telescope setup

What's this page?
This page describes the way to setup the optical telescope for optical pointing measurements.
Revision history
  • 2006 - ASTE_OPT_FOCUS.pdf K. Nakanishi
  • 2010-04-02 - modified by N. UKITA
  • 2010-09-03 - moved to Pukiwiki by B. Hatsukade
  • 2013-08-05 - modified by N. UKITA
  • 2014-04-21 - updated by BH and YW
  • 2016-08-01 - modified for Linux COSMOS3 by Kamazaki,T.
Table of contents

Optical telescope setup

Focus adjustment

Display an optical image to check focusing

  1. Login to aste-ms1 with asteXX
    > ssh -Y asteXX@aste-ms1
    • Don't forget to add '-Y' option to forward windows.
  2. Initialize the video capture board (at the start of measurements once a day)
    asteXX@aste-ms1 > ssh astecntl@aste-c1c /cosmos3/naoj/sbinSol/optinit
    device:    [ ok ]
    mmap:      [ ok ]
    init bcr:  [ ok ]
    init:      [ ok ]
    initLUT:   [ ok ]
    clear FB:  [ ok ]
    AVME-338B -> successfully initialized    <--- confirm this message
  3. Display (a part of) an optical image
    asteXX@aste-ms1 > ~/analysis/bin/optshot r  1  32
                                            (1)(2)(3)
    (1) Frame color to be dumped (normally, 'r'=Red is used)
    (2) Number of frames to be taken (set '-1' for infinite loop)
    (3) Image size [pixel] (set '224' for a full-size image)
    This will display an image whose center is (256, 256) pixels and size is 32 pixels.
    • ポインティングがあった状態で、星像は概ね(X,Y)=(256,256)近傍に来る
    • Pixel scale is 1.27 arcsec/pixel.

      #ref(): File not found: "t195.jpg" at page "CSV/OpticalPointingPreparation"

Adjust the focus stage position

  1. Run a observation table just tracking a star
    group: asteXX
    project: track
    observation table: Select a table close to the current LST
    e.g.) t132-36B.start for LST13h
           (1)(2)(3)
    (1) R.A.
    (2) Dec.
    (3) Brightness (A>B>C>D)
        夜間Aの星はサチる可能性がある
  2. Login to aste-c1c
  3. Connect the stage controller
    asteXX@aste-c1c> tip serial2

"connected" と表示されたら接続成功

※ 接続に失敗した場合

  1. rootになる
  2. admintoolを立ち上げる
  3. 「シリアルポートの設定」を選び
  4. term/2を選び、(ダイアログが開く)
  5. 設定変更をしないでOKボタンを押す (あるいは、適当に設定をいじるが最後は元に戻しOKボタン)

3. コマンドを逐次入力

History of focus positions

2003-0413700(参考値)外気温0+-5°Cでの最適値(赤フィルターなし)
2009-0720100近辺Observing Log/2009-07-29
2010-0421100Observing Log/2010-04-12
2010-090Observing Log/2010-09-09
2011-04-500Observing Log/2011-04-14
2012-0620700Observing Log/2012-06-15
2014-0420500Observing Log/2014-04-21

Troubleshooting

コマンド入力の際、ステータスを読んでからパルス値を入力する前にリターンを2回押していない可能性がある。

Procedures to generate observation tables for OPT

1. Run MATLAB on the MTK server (aste-ms1)

You can skip STEP 2-4, if there is no update in the Tycho, FK5 and Hipparcus catalogues.


2. Create a list of bright stars in a MATLAB format

3. Merge additional information to the list

4. Select appropriate stars


5. Generate observation tables

5a. Observation tables for optical pointing

5b. Observation tables for 「いつでもOPT用」

5c. Observation tables for batch execution

5d. ひたすら12時間追尾する指示書


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