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SHARK-NIR Commissioning Plan
This is an evolving page and the lists and activities will evolve in time as we gain more and more experience.
Although it is mentioned as the commissioning activities list, it lists all the activities of SHARK-NIR from its unpacking at LBT till the Science Verification, with the exception of the instrument installation at the LBT Bent Gregogian Central focal station.
The commissioning is broadly divided into 3 Phases:
Phase 1: We start from inspecting the boxes at LBT mountain bay, unpacking and installing the instrument at the mountain lab for alignment verification and functionality checks. All of these are daytime activities.
Phase 2: The activities after the installation of SHARK-NIR at the SX central bent Gregorian focus of LBT to the acquirement of the first nighttime telescope collimation model of the instrument form the Phase 2. Most of the activities are daytime. The only nighttime activity is to check the pointing, acquisition sequence and getting the first nighttime telescope collimation model for SHARK-NIR.
Phase 3: Phase 3 of the commissioning starts 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. By the end of this phase, SHARK-NIR is ready for Science Verification.
Note that the corresponding evolving doc in 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.
Applicable Documents
| No. | Title | Number & Issue |
| AD1 | SHARK-NIR Schedule | SHARK-NIR-INAFP-Schedule-FDR Issue 0.3 |
| 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 0.1 |
| AD4 | SHARK-NIR Calibrations | SHARK-NIR-INAFP-MAN-004 |
Category
The table below lists the categories of commissioning activities.
| Category Name | Category Number |
| Installation, integration, verification | C1 |
| Daytime testing (functionality and operability) | C2 |
| Daytime calibration | C3 |
| Nighttime testing (functionality and operability) | C4 |
| Nighttime calibration | C5 |
| Nighttime testing for performance | C6 |
Naming structure of the commissioning activity
Each commissioning test/activity has a unified structure as follows:
Name of the commissioning activity
- phase: comes in which phase of the commissioning (1/2/3)
- 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
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
| Number | Activity Name | Day / Night | Duration (mins) | Maximum Duration (mins) | Category | LBTO Support |
| P1.1 | Inspection of the boxes | Day | 40 | 40 | C1 | - |
| P1.2 | Opening boxes and their visual inspection | Day | 60 | 60 | C1 | crane operator to lift and move containers/boxes, 1-2 crew to support unpacking and moving |
| P1.3 | Install the instrument in the cleanroom with its electronics cabinet | Day | 240 | 240 | C1 | crane operator to lift and move containers/boxes, 1-2 crew to support installation on the mechanical structure |
| P1.4 | Cable in the instrument, power on, and connect to LBT network | Day | 120 | 120 | C1 | support to connect to LBT network? Any electronics support? |
| P1.5 | Start all the services and initialize all the motors | Day | 20 | 20 | C1 | - |
| P1.6 | Cool down the cryostat | Day | 480 | 480 | C1 | Liquid N2 fill |
| P1.7 | Verification of the operability of the motors and light sources | Day | 60 | 60 | C1 | - |
| P1.8 | Verification of the internal alignment of the instrument | Day | 120 | 120 | C1 | - |
| P1.9 | Science detector calibrations | Day | 60 | 60 | C1 | - |
Phase 2
SHARK-NIR Location : LBT platform
| Number | Activity Name | Day / Night | Duration (mins) | Maximum Duration (mins) | Category | LBTO Support |
| P2.1 | Activating the instrument and testing instrument states & transitions | Day | 60 | 60 | C2 | Verify the working of emergency button |
| P2.2 | Instrument operability and performance | Day | 180 | 180 | C2 | - |
| P2.3 | TCS communication test | Day | 60 | 60 | C2 | Authorise SHARK-NIR, connecting to ASM+LBTI AO system, able to send preset, receiving LBT telemetry and details for the fitswriter |
| P2.4 | Align SHARK-NIR to the telescope | Day | 120 | 120 | C2 | Mounting RR on the SX side. Support from LBTI? |
| P2.5 | Synergy with LBTI AO system test | Day | 120 | 120 | C2 | Mounting RR on the SX side. Support from LBTI for AO running |
| P2.6 | Measurement of NCPA | Day | 180 | 180 | C3 | Mounting RR on the SX side, Support from LBTI for AO running |
| P2.7 | Looking for filter defects/effects/features | Day | 60 | 60 | C2 | Support from LBTI for AO running |
| P2.8 | Flexure tests | Day | 180 | 180 | C2 | Support from LBTI for AO running |
| P2.9 | Nighttime acquisition and setting telescope collimation for night | Night | 180 | 180 | C4 | Support from LBTI for AO running |
Phase 3
SHARK-NIR Location : LBT platform
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.
To be added:
- Nighttime performance activities:
- Evaluate the seeing performance and Strehl achieved from the LBTI AO in closed-loop and in various seeing conditions.
- 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 crane operator, container moving tools, etc. Depending upon the month of the year, the mountain bay can be seriously booked (especially during July-October months due to summer shutdown).
- The same is true for the clean room near the mountain bay. If we need access to the LBTO network in the clean room, 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 clean room, 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.
