wiki:docs/CommissioningPlan

Version 43 (modified by kradhakrishnan, 4 years ago) (diff)

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SHARK-NIR Commissioning Plan

Table of Contents

  1. Applicable Documents
  2. Category
  3. Naming structure of the commissioning activity
  4. Commissioning Activity
    1. Phase 1
    2. Phase 2
    3. Phase 3
    4. Phase 4
  5. Additional Information
  6. Comments
    1. MDP
    2. Reminders

This document lays out the procedures and performance requirements for commissioning the SHARK-NIR instrument. Specifically, it lists the on-telescope activities needed to bring SHARK-NIR online for scientific exploitation starting from unpacking the boxes at LBT.

The commissioning is broadly divided into four phases:

Phase 1: We start by inspecting the boxes at LBT mountain bay, unpacking, and installing the instrument at the mountain lab (clean room) for alignment verification and functionality checks. All of these are daytime activities. [Pre-commissioning]

Phase 2: The activities starting from the installation of SHARK-NIR at the SX central bent Gregorian focus of LBT, followed by preliminary functional checks, aligning SHARK-NIR to the telescope (daytime), and daytime closed dome engineering/technical testing. All of these are daytime activities. [Installation & Closed-Dome Testing]

Phase 3: Phase 3 commences the nighttime commissioning, starting from sending preset to the telescope to testing individual SHARK-NIR observation modes for performance to the total SHARK-NIR performance. All the activities are nighttime. However, some daytime activities may be anticipated as well. By the end of this phase, SHARK-NIR is ready for early science observations. [Commissioning]

Phase 4: SHARK-NIR is ready for the final phase of the commissioning - the science verification / early science observations. The final form of the SHARK-NIR software, observing blocks, data-reduction pipeline, etc. will be tested. The final performance of the SHARK-NIR will be analyzed using the data from this run. All the activities are nighttime. By the end of this phase, SHARK-NIR is ready for regular science operations (with some 'risk' of course for another year). [Science Verification]

Note that the corresponding evolving doc in the SHARK-NIR Dropbox folder is SHARK-NIR-INAFP-COM-001_CommissioningPlan.docx. There is also an excel file listing the activities titled SHARK-NIR-INAFP-COM-002_CommissioningActivityList.xlsx (BOTH NOT UPDATED).

Applicable Documents

No. Title Number & Issue
AD1 SHARK-NIR Schedule SHARK-NIR-INAFP-SCH-001_Issue 1.2.pdf
AD2 SHARK-NIR SW ICD SHARK-NIR-INAFP-SW-ICD-FDR Issue 0.4
AD3 SHARK-NIR Installation Plan SHARK-NIR-INAFP-IP-001 Issue 0.2
AD4 SHARK-NIR Calibrations SHARK-NIR-INAFP-MAN-004

Category

The table below lists the categories of commissioning activities.

Category NameCategory Number
Installation, integration, verification (Pre-commissioning) C1
Daytime testing (functionality and operability)C2
Daytime calibrationC3
Nighttime testing (functionality and operability)C4
Nighttime Science CalibrationC5
Nighttime testing for performanceC6

Naming structure of the commissioning activity

Each commissioning test/activity has a unified structure as follows: 

Name of the commissioning activity
  - phase : states the phase of the commissioning (1/2/3/4)
  - status : reports the current status of the test (draft, final, complete)
  - category : one of the categories mentioned above
  - recurrence : describes how frequently the test must be executed
  - duration : estimates the time required to complete the test (the duration mentioned here is valid only for commissioning)

Description
  - Contains a general description of the test

Prerequisites
  - Lists items that must be in place before the test begins

Procedure
  - Explains in detail how to execute the test

Success Criteria
  - Enumerates the outcome associates with successful completion of the test

Notes
  - Additional supporting information

LBTO Support
  - Mention if (and what) support required from LBTO

Associated SHARK-NIR personnel
  - Mentions here who are the associated personnel to the test

Date performed and by whom
  - Mentions who performed the test and when

Commissioning Activity

In this section, you can see all the commissioning activities listed in chronological order. If you click the individual activity, you can see more details of it.

Phase 1

SHARK-NIR Location : LBT mountain bay and clean room (Some of the activities may run in parallel).

NumberActivity NameDay / NightDuration (days)CategoryLBTO Support
P1.1Inspection of the boxesDay0.5C1crane operator to lift and move containers/boxes (mountain bay)
P1.2Opening boxes and their visual inspectionDay0.5C1crane operator to lift and move containers/boxes (mountain bay), 1-2 crew to support unpacking and moving
P1.3Install the instrument in the cleanroom with its electronics cabinetDay0.5C1crane operator to lift and move containers/boxes (mountain bay & cleanroom), 1-2 crew to support installation on the mechanical structure
P1.4Cable in the instrument, power on, install workstations, and connect to LBT networkDay0.5C1support to connect to LBT network, IT support to install/set the workstations in the proper location
P1.5Start all the services and initialize all the motorsDay0.5C1-
P1.6Cool down the cryostatDay1C1Liquid N2 fill in the cleanroom
P1.7Verification of the operability of the motors and light sourcesDay0.5C1optical bench needed in the cleanroom
P1.8Verification of the internal alignment of the instrumentDay4C1optical bench needed in the cleanroom
P1.9Science detector calibrationsDay1C1-
TotalContigency of 1 day 9+1=10

Phase 2

SHARK-NIR Location : LBT platform

NumberActivity NameDay / NightDuration (days)CategoryLBTO Support
P2.0Installation of the SHARK-NIR at LBT platformDay1 (preparation) + 1 (lift-off) + 1 (contigency)C1Crew members' support for the preparation, lift-off, and installation of SHARK-NIR, crane operator (mountain bay, LBT platform), safety officer, working platform installed infont of the gregorian focal-station SX, installation of electronics in LBTI/SHARK cabinet
P2.1Activating the instrument and testing instrument states & transitionsDay1C2support to verify the working of emergency button/stop
P2.2Instrument operability and performanceDay0.5C2-
P2.3TCS communication testDay0.5C2Authorise SHARK-NIR, connecting to ASM+LBTI AO system, able to send preset, receiving LBT telemetry (inc. the derotator trajectory) and details for the fitswriter, support from LBT SW team
P2.4Align SHARK-NIR to the telescopeDay1+1C2working platform installed in front of the gregorian focal-station SX, Mounting RR on the SX side. Support from LBTI/Arcetri on running SOUL AO
P2.5SOUL AO system testDay0.5C2working platform installed in front of the gregorian focal-station SX, Mounting RR on the SX side. Support from LBTI/Arcetri on running SOUL AO
P2.6Measurement of NCPADay0.5C3Mounting RR on the SX side. Support from LBTI/Arcetri on running SOUL AO
P2.7Looking for filter defects/effects/featuresDay0.5C2Mounting RR on the SX side. Support from LBTI/Arcetri on running SOUL AO
P2.8Flexure testsDay2.5C2 + C3Mounting RR on the SX side. Support from LBTI/Arcetri on running SOUL AO, the telescope need to move in elevation
TotalContigency included within 11 days

Phase 3

SHARK-NIR Location : LBT platform

NumberActivity NameDay / NightResponsibleFrequencyDuration (mins)CategoryLBTO Support
P3.1Telescope control – sending presetNightSHARK-NIRNightly10C4LBTI(AO)
P3.2Telescope control – checking focus for different wavelengthsNightSHARK-NIRNightly30C4-
P3.3Telescope control – telescope mode and offsetNightSHARK-NIRNightly30C4LBTI(AO)
P3.4Telescope control – focal plane geometry estimationNightSHARK-NIRNightly60C4LBTI(AO)
P3.5Check the acquisition procedureNightSHARK-NIRNightly60C4LBTI(AO)
P3.6Orient the coronagraphsNightSHARK-NIRNightly40C4LBTI(AO)
P3.7Estimate the instrument throughputNightSHARK-NIRNightly50C4LBTI(AO)
P3.8Estimate the limiting magnitude for every filterNightSHARK-NIRNightly50C4LBTI(AO)
P3.9Estimate sky background for broadband filtersNightSHARK-NIRNightly50C4LBTI(AO)
P3.10Verify the ADC rotation on skyNightSHARK-NIRNightly40C4LBTI(AO)
P3.11Ghost positions on the SCICAMNightSHARK-NIRNightly50C4LBTI(AO)
P3.12Checking field-stabilized mode/bearing rotation serviceNightSHARK-NIRNightly40C4LBTI(AO)
P3.13Center the slitNightSHARK-NIRNightly40C4LBTI(AO)
P3.14Astrometry plate scale and orientationNightSHARK-NIRNightly60C5LBTI(AO)
P3.15Flux calibration (off-centered target observation)NightSHARK-NIRAs required for observing30C5LBTI(AO)
P3.16Instrumental throughput and absolute flux calibrationNightSHARK-NIRMonthly60C5LBTI(AO)
P3.17Atmospheric calibration and absolute flux calibrationNightSHARK-NIREach target60C5LBTI(AO)
P3.18Large spatial scale instrument and telescope flat fieldTwilightSHARK-NIRDaily for observing nights120C5LBTI(AO)
P3.19Sky backgroundNightSHARK-NIRAs required for observing30C5LBTI(AO)
P3.20Instrumental background for scienceDaySHARK-NIRDaily for observing nights, closed dome(TBD)C5-
P3.21Star centerNightSHARK-NIRNightly15/targetC5LBTI(AO)
P3.22Instrument flat field, detector linearity and bad pixelsDaySHARK-NIRDaily for observing nights, closed dome120C5-
P3.23Wavelength calibrationDaySHARK-NIRDaily when LSS is used15C5-
P3.24Thermal backgroundDaySHARK-NIRMonthly, closed dome60C3-
P3.25Detector gainDaySHARK-NIRMonthly, closed dome30C3-
P3.26Detector persistenceDaySHARK-NIRQuarterly, closed dome30C3-
P3.27Spectral resolutionDaySHARK-NIRMonthly, closed dome30C3-
P3.28Ghost calibrationDaySHARK-NIRSemi-annually, closed dome120C3-
P3.29Distortion mapNightSHARK-NIRWeekly60C5LBTI(AO)
P3.30Filter wheels reproducibility monitoringDaySHARK-NIRSemi-annually, closed dome60C3-
P3.31Pupil alignmentNightSHARK-NIRNightly5/targetC4LBTI(AO)
P3.32PSF AlignmentNightSHARK-NIRNightly5/targetC4LBTI(AO)

Phase 4

SHARK-NIR Location : LBT platform

NumberActivity NameDay / NightResponsibleFrequencyDuration (mins)CategoryLBTO Support
P4.1xNightSHARK-NIRNightly10C5AO support

Another Table with "science commissioning" to be added. More details soon.

Additional Information

Note:

  • as of now, there is no one to one correspondence with the evolving doc (eventually they will be the same)
  • you may see that there is some repetition in the activities. this needs to be sorted out eventually.
  • the order of the activities may also be changed later.
  • the details of each of the activities (when you click on them individually) may not be complete and will be refined in time.

To be added:

  1. Nighttime performance activities:
    • Evaluate the seeing performance and Strehl achieved from the LBTI AO in closed-loop and various seeing conditions.
  1. Look-up table activities:
    • NCPA measurement for different telescope elevations?

Reminders:

  • The space requirements at the mountain bay (@LBT) should be communicated to LBT at the earliest, along with the availability of a crane operator, container moving tools, etc. Depending upon the month of the year, the mountain bay can be seriously booked (especially during the July-October months due to the summer shutdown).
  • The same is true for the cleanroom near the mountain bay. If we need access to the LBTO network in the cleanroom, there are some network ports. But we may need to tell them in advance (Talk to Florian Briegel for more info).
  • Note that if there is any ASM repair/activity scheduled in the cleanroom, preference is always for them and we will have to co-live or get after that.
  • From the LINC-NIRVANA commissioning experience, it is always better to keep the tools associated with a particular alignment together, to avoid looking for it in all the boxes there. Also, there MUST be a living inventory wiki page where everyone should note down what is taken and kept in the box/container.
  • Space required by SHARK-NIR at 3L is already mentioned to JC and CV. Later, we may need to specify the exact area.
  • For activities (P2.4-P2.8) that need the RR to be mounted on the SX side, the source should be a bright broad-band source (including also NIR wavelength). Perhaps, Ocean Optics would do. Also, if helpful, we may use a powerful (green) laser beam for initial alignment checks.

Comments

MDP

  • all operation that should be supported by control software automated procedures should be defined by the responsible person with software person in copy or in accordance with software department (better) (e.g.: P1.8 and P1.9)

Reminders

  • check if all the installation of interfaces is mentioned and in the right places. if LBTO support is needed (crew, crane support, etc.), mention those.
  • make sure if all the support from LBTI and iLOCATOR team are mentioned clearly (related to the installation of electronics in their cabinets, sharing space, access permissions, IP addresses, etc.)
  • need emergency stop buttons in SHARK-NIR? If so, need to integrate them into the LBT control system?
  • check if all the electronics related support and requirements are mentioned.
  • check if all okay for the LN2 fill and glycol/cooling water flow, etc.