Mopra Telescope Control and Monitoring. Balthasar Indermuehle Millimetre Operations Scientist 25 th March 2008

Transcription

1 Mopra Telescope Control and Monitoring Balthasar Indermuehle Millimetre Operations Scientist 25 th March 2008

2 Objectives Get an overview of the available programs used to control and monitor Mopra Learn to use them available tools efficiently Control TCS MOPS MOTP SPD sio_point_recent_mops Monitoring MAPS TOAD Monica Webcam / BOM radar Xephem

3 Telescope Operating System - Control Loop Telescope Receivers Computers Networks Monitoring MAPS mopra_protect Control TOAD Observer Support staff MONICA

4 The full picture What s on the observer machine s desktop?

5 The full picture What s on the observer machine s desktop?

6 The full picture What s on the observer machine s desktop?

7 Prime directive #1: Monitor all systems all the time When you are in control of the telescope, you are the pilot in command, and ultimately in control of several million dollars worth of hardware! Just because you most likely won t kill anyone with it, doesn t mean you can t break things. Be watchful and considerate! If in doubt, ask. Even if it s 3am. That s what on-call support is for. Be situationally aware. You know at all times what the telescope is doing what it will be doing in the next 30 minutes what the weather is up to what the state of its various subsystems are Do not fall into the automation bias trap: If something looks fishy on your data, but TOAD is not issuing a warning and all indications are green, no alerts or warnings are displayed, do not dismiss your error diagnosis. If any parameters are off, you must investigate, report, and verify that it is safe to continue operations. Never trust one single source of information, try to build a coherent picture taking everything you know into account. If you don t succeed, call.

8 Prime directive #2: Screen layout Try to get accustomed to, and work with the displays in their current layout. The on-call person and the next observer will thank you! At the very least, do not spread out control displays over multiple desktops! Operationally not smart and inconvenient Situational awareness will suffer from that Conventions: Blue xterms: Bigrock Green xterms: MPCCC1 White xterms: Pyroclast

9 Prime directive #3: Be aware of directives #1 and #2 when planning your observation Take a reasonable amount of time to execute your observations. If it s a 6 day run with 18 hour observing days, it would be smart to bring along a colleague to help!

10 Starting order for all essential software 1. Start the correlator processes on MPCCC1 MOPS SPD MOTP 2. Start the control processes on Bigrock TCS attest Start the monitoring applications you may start those at any time, depending on what the problem is, it might be a good idea to start TOAD and see whether anything obvious is obstructing successful running of other software TOAD Monica attest atdrivemon dclocks xephem

11 TOAD Logical systems display In protoyping stage Monitors ~130 parameters Displays essential information Has 50+ warning and error messages including recommended remedial actions

12 TOAD Startup / Unavailable Data

13 TOAD All green

14 TOAD Warnings

15 MOPS commands: matten au matten ma CONFIG: Starting MOPS: Reprogramming the On a green xterm (MPCCC1), execute the command correlator mops. Tsys: Stopping MOPS: Click on tsys to obtain Click the exit button. the Tsys for each band/subband started from and control-c The the filename process. currently Whether your exit being was written brute is force or not, always give the system about 15 marked seconds, in the then File issue this command: dialog killmops Data available in TOAD / Monica If that does not work because TCS froze, find the green xterm window where MOPS was This will ensure that all processes belonging to MOPS are stopped.

16 SPD Starting SPD: On a green xterm (MPCCC1), execute the command spd. Use the commands sel * (select which IF s / Zoom windows to display) sca (scales the graphs) lay 1x4 (layout 1 x 4) q (quotient display) a (amplitude display, bandpass, use when looking for RFI)

17 MOTP Starting MOTP: On a green xterm (MPCCC1), execute the command motp. Note that this needs to be restarted after every MOPS restart. Use sel * initially to look at all bandpasses sca to scale Adjust powers with attenuators in MOPS All data available in TOAD / Monica

18 TCS Telescope Control Software Control Buttons: Starting TCS: STOP User settings: On a blue xterm Start (bigrock), Track Project ID Status execute Info: the command tcs. On the ensueing Parkscreen, Project Name Must select be all MOPS green and Expert Mode and Start. Start Sched Observer Sched file Stopping TCS: Click the exit Source button. selection: If that does not work Opens because catalog TCS froze, find the blue xterm window where TCS was started from and control-c the process. Select offset Whether your Sched exit was (pointing) brute force or not, always give the system about Track 15 seconds, (Enter duration) then issue this command: ~/bin/killtcs This will ensure that all processes belonging Log to window: TCS are MOPS configuration: stopped. Then proceed with starting TCS Sched if Exit you button: file wish problems so. Manually set center frequency Connection Use it, never problems click X Manually select windows (zoom mode) Set correlator config (Broadband / Zoom mode)

19 Monica Starting Monica: On a blue xterm (bigrock), execute the command monica. Then wait. You will then receive a menu asking which monica server to connect to: Narrabri, Parkes or Mopra. Connect to Mopra, and select the screens from your favourites. Weather will be the most relevant screens for most observers, to judge on conditions (MOTP will also help there). Also, Monica allows monitoring of lightning very accurately, as well as local weather conditions.

20 attest Starting attest: On a blue xterm (bigrock), execute the command attest. Then wait. Tabs: Click And ahoy wait some more. It will show up eventually, but takes its time to load. Be patient! Note that the actual position for focus in attest should not be used. Use Monica or TOAD instead. If the actual focus number displays XX, attest must be restarted.

21 atdrivemon Starting atdrivemon: On a blue xterm (bigrock), execute the command atdrivemon. Az/El information available in this screen is also available from TOAD, with about a 5 second delay. Sky pos / Error plot: Clickare le buttone, e presto, le finestre!

22 dclocks Starting dclocks: On a blue xterm (bigrock), execute the command dclocks. To display seconds, click on the window you want to see the seconds on, and hit the key s (yes, s for seconds!)

23 sio_point_recent_mops Starting sio_point_recent_mops: On a blue xterm (bigrock), execute the command sio_point_recent_mops. Why the long command name? That s a long story. Follow the ensueing prompts, take care to follow this advice: 1. Verify that the filename the script selects is the correct filename. Refer to the MOPS window for the currently correct filename 2. Once the calculated deviations are below your acceptability threshold (about 20 12mm, 10 3mm, interpolate for 7mm), do NOT press accept, press quit. Otherwise, you add noise on top of your last pointing, which might go the wrong way

24 xephem Starting xephem: On a white xterm (pyroclast), execute the command xephem. Xephem can be quite useful for locating SiO masers through the catalogue we have installed in the default directory.

25 General monitoring BOM Moree Radar page. Be aware that Coonabarabran is very far away from the under dimensioned weather radar at Moree. Any returns you see at all indicate a possible threat!

26 General monitoring Mopra Camviews page:

27 Summary Keep Human Factors in mind During both planning and execution of your observations Go read the MUM or refer to this presentation if you need to restart programs Ask support staff if in doubt TOAD Simulator

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35 ATNF/Narrabri Balthasar Indermuehle Operations Scientist Phone: +61 (0) Thank you Contact Us Phone: or enquiries@csiro.au Web: