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SHARK-NIR Commissioning Plan (SHARK-NIR-INAFP-COM-001 Issue 1.2)
Table of Contents
Authors of the document
- Kalyan Radhakrishnan (INAF-OAPD)
- Jacopo Farinato (INAF-OAPD)
- Maria Bergomi (INAF-OAPD)
- Luca Marafatto (INAF-OAPD)
Issue Change Record
Issue No. | Date | Section Affected | Reasons / Remarks | Initials |
0.1 | 02-Feb-2021 | All | New document | KRA |
0.2 | 24-Apr-2021 | All | updates in Phase 3 and 4, change in duration | KRA |
0.3 | 14-Jan-2022 | All | Minor corrections and additions | KRA |
0.4 | 28-Feb-2022 | First page, Phase 1 (especially P1.3, P1.4, and P1.6) | LBTO Support is removed from the table. It can be seen inside individual activities. Minor modifications following RFA-78, RFA-79, and RFA-88. | KRA |
0.5 | 17-Mar-2022 | P1.3 activity | Added a picture showing the space taken by the SHARK-NIR system in the cleanroom (Padova) | KRA |
0.6 | 21-Apr-2022 | All | Re-arranging Phase 1, Phase 2, and Phase 3 in terms of actual runs to LBT. Also, updating the activities according to the latest information and experience | KRA |
0.7 | 18-May-2022 | First page Phase 1 table | Updating the duration for the re-alignment | KRA |
0.8 | 13-Aug-2022 | First page Phase 1 & 2 tables, P1.1 to P1.12 | Updating after Pre-Com-Run-1 | KRA |
0.9 | 21-Sept-2022 | First page Phase 2 table, P2.5 to P2.10 | Updating before Pre-Com-Run-2 | KRA |
1.0 | 28-Oct-2022 | First page Phase 2 table, P1.8, P2.1 to P2.10 | Updating before Pre-Com-Run-3 | KRA, MBE |
1.1 | 02-Dec-2022 | First page Phase 2 table, P1.7, P1.9, P2.1 to P2.10, and P3.1 to P3.19 | Updating after Pre-Com-Run-3 | KRA |
1.2 | 19-Jan-2023 | First page Phase 3 table | Updating after Com-Run-1 | KRA |
Applicable Documents
No. | Title | Number & Issue |
AD1 | SHARK-NIR Schedule | SHARK-NIR-INAFP-SCH-001 Issue 1.3 |
AD2 | SHARK-NIR SHINS Interface Control Document | SHARK-NIR-INAFP-ICD-002 Issue 0.6 |
AD3 | SHARK-NIR Installation Plan | SHARK-NIR-INAFP-MAN-001 Issue 2.1 |
AD4 | SHARK-NIR Calibration Procedures | SHARK-NIR-INAFP-MAN-004 Issue 0.2 |
AD5 | SHARK-NIR System Design Analysis | SHARK-NIR-INAFP-SDA-001 Issue 1.2 |
AD6 | SHARK-NIR Cryostat Procedures | SHARK-NIR-SO-MAN-001 Issue 0.4 draft |
AD7 | SHARK-NIR Science Cases | SHARK-NIR-INAFP-SCI-001 Issue 0.1 |
AD8 | SHARK-NIR Integration & Commissioning Schedule | SHARK-NIR-INAFP-SCH-002 Issue 1.0 |
AD9 | Observing Blocks Template Manual | SHARK-NIR-INAFP-MAN-002 Issue 0.1 (not released yet) |
AD10 | Packing, Handling, Shipping and Transportation (PHS&T) Plan | SHARK-NIR-INAFP-PLN-002 Issue0.2 |
AD11 | Handling equipment design description | SHARK-NIR-INAFP-DES-006 Issue0.2 |
Introduction
This commissioning planning document lays out and details the activities needed to bring SHARK-NIR online for single-eye shared-risk scientific exploitation (the binocular observations with SHARK-VIS or trinocular with SHARK-VIS & LBTI are out of the scope of this commissioning plan). The document incorporates activities starting from the unpacking of the boxes at the LBT mountain bay to the science verification at its final destination on the LBT platform. Although called the commissioning document, it lists the pre-commissioning, commissioning, and science verification activities. The activities are classified into four phases. Phases 1 and 2 are purely daytime activities. Phases 3 and 4 are nighttime activities. It is to be noted that Phase 3 activities are classified into observing cases (OC#, see the table below) and not according to the observing modes (direct imaging, coronagraphic imaging, long-slit spectroscopy) anymore. This allows commencing Phase 4 (science verification) of those observing cases immediately after the completion of the respective Phase 3 commissioning run. See below for more details.
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. We anticipate 1 trip to LBT if no or minor re-alignment is required. If a major re-alignment is required, there will be 2 trips to LBT. This forms the content of the PSR-09 Preliminary Laboratory Integration & Test (I&T) Procedure (at LBT). [Pre-commissioning: Unpack, assemble, and clean-room verification]
Phase 2: The activities start from installing 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 (2 trips to LBT). [Pre-commissioning: Installation, functional checks, and 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. The final form of the SHARK-NIR software, observing blocks, data-reduction pipeline, etc., will be tested for all the observing cases of the instrument. All the activities are at nighttime (4 trips to LBT). There will be a common run (Com-Run-1) to test the basic common requirements for each observing case. After completing each run, SHARK-NIR will be ready for Phase 4 (science verification) of the respective observing cases. [Commissioning]
Phase 4: SHARK-NIR is ready for the science verification. The final performance of the SHARK-NIR will be analyzed using the data from this run. All the activities are at nighttime. By the end of this phase, SHARK-NIR is ready for single-eye shared-risk scientific exploitation. [Early Science or Science Verification]
Observing Cases
Three observing modes of SHARK-NIR, namely direct imaging, coronagraphic imaging, and long-slit spectroscopy, are classified into observing cases for the purpose of commissioning. The observing cases are all the combinations of individual science observing possibilities using various coronagraphs and modes. We have 17 of them tabulated below.
# | Observing Case |
OC1 | Direct imaging - pupil stabilized |
OC2 | DBI - Direct imaging - pupil stabilized |
OC3 | Direct imaging - field stabilized |
OC4 | DBI - Direct imaging - field stabilized |
OC5 | Coronagraphic imaging - GL - field stabilized |
OC6 | Coronagraphic imaging - GL - pupil stabilized |
OC7 | Coronagraphic imaging - FQPM - pupil stabilized |
OC8 | Coronagraphic imaging - SP1 - pupil stabilized |
OC9 | DBI - Coronagraphic imaging - SP1 - pupil stabilized |
OC10 | Coronagraphic imaging - SP2 - pupil stabilized |
OC11 | DBI - Coronagraphic imaging - SP2 - pupil stabilized |
OC12 | Coronagraphic imaging - SP3 - pupil stabilized |
OC13 | DBI - Coronagraphic imaging - SP3 - pupil stabilized |
OC14 | LSS (R~100) close companion |
OC15 | LSS (R~800) distant companion |
OC16 | LSS (R~100) distant companion |
OC17 | LSS (R~800) close companion |
Note that technically and software-wise, there are no differences between (OC14 & OC16) and (OC15 & OC17), and therefore only OC14 and OC15 will be tested for Phase 3 nighttime commissioning.
In the table above, the acronyms mean the following:
DBI - Dual Band Imaging. GL - Gaussian Lyot. FQPM - Four Quadrant Phase Mask. SP(1,2,3) - Shaped Pupil (symmetric, X, Y). LSS - Long Slit Spectroscopy.
Category
The table below lists the categories of commissioning activities.
Category Name | Category Number |
Unpack, Assemble, and Verification | C1 |
Installation of SHARK-NIR at LBT platform | C2 |
Daytime testing (functionality and operability) | C3 |
Daytime calibration | C4 |
Nighttime testing (functionality and operability) | C5 |
Nighttime calibration | C6 |
Nighttime testing for performance | C7 |
Early science or Science verification | C8 |
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 description (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
Templates
- Mentions the templates to be used. If there are specific parameters, they are mentioned in brackets. For details on the templates mentioned, check AD9.
Success Criteria
- Enumerates the outcome associated with successful completion of the test
Notes
- Additional supporting information
LBTO Support
- Mention if (and what) support is required from LBTO
Date performed and by whom
- Mentions who performed the test and when
Commissioning Activity
In this section, all the commissioning activities are listed in chronological order. If you click on the individual activity, you can find more details. 8 hours is considered as the duration of a day. Of course, depending on the month of the year, make sure to estimate the correct number of days/nights required at the LBT. Each table below corresponds to a trip to LBT.
From the commissioning experience at the LBT, for the daytime activities at the telescope platform, the telescope may be handed over around 09:00 am local time. And, the SHARK-NIR team needs to hand over the telescope to LBT ~2 hours before the sunset (unless we have the first half of the night or full night and to be negotiated with the telescope operator). As a general rule, the SHARK-NIR team will also be working on the weekends when at the summit. Of course, if LBTO support is required, this will be communicated with the LBTO mountain manager well in advance. Note that the duration of the individual activities mentioned in this document will not match that of AD4 for the same activities.
Phase 1 (Pre-commissioning)
SHARK-NIR Location: LBT mountain bay and clean room. Some of the activities may run in parallel. All the activities are daytime. In the cleanroom, usually, there are no restrictions on daytime or nighttime activity.
Pre-Com-Run-1
Pre-Com-Run-1-bis (only needed in case of major re-alignment required after shipping)
# | Activity Name | Duration (days) | Category | Status |
P1.11 | Instrument re-alignment (major modifications) | 12 | C1 | not required |
P1.12 | Verification of the contrast for coronagraphic masks | 1 | C1 | not required |
Total without contingency | 13 days | |||
Total with 10% contingency | 14 days |
Pre-Com-Run-1 (27 June 2022 - 12 July 2022) completed. The Pre-Com-Run-1 activity log in this link.
Phase 2 (Pre-commissioning)
SHARK-NIR Location: LBT platform. Some of the activities may run in parallel. All activities are daytime.
Pre-Com-Run-2
# | Activity Name | Duration (days) | Category | Status |
P2.0 | SHARK-NIR Open Cart Activities | 1 | C1 | complete |
P2.1 | Cable chain cabling and pre-lift verification | 2 | C1 | complete |
P2.2 | Installation of SHARK-NIR and its electronics on the LBT platform | 7 | C2 | complete |
P2.3 | Basic functionality, Instrument operability and functioning | 1 | C3 | complete |
P2.4 | SHARK-NIR alignment to the telescope | 3 | C3 | complete |
Total without contingency | 14 days | |||
Total with 10% contingency | 15.5 days |
Pre-Com-Run-2 (3-19 October 2022) completed. The Pre-Com-Run-2 activity log in this link.
Pre-Com-Run-3
# | Activity Name | Duration (days) | Category | Status |
P2.6 | Tip-Tilt internal fast loop test with ASM turbulence | 1 | C3 | complete |
P2.7 | SHARK-NIR system level NCPA characterization at different telescope elevations | 4 | C3 + C4 | complete (only for Zenith) |
P2.5 | TCS communication test | 1 | C3 | complete |
P2.8 | Verification of the mask centering algorithm and final contrast with SOUL-AO and turbulence at ASM | 3 | C3 | complete |
P2.9 | Star center Fourier mode images | 1 | C3 | complete (remotely) |
P2.10 | Test of all the remaining templates for sky observations | 2 | C3 | complete (rest of the testing on-sky) |
Total without contingency | 12 days | |||
Total with 10% contingency | 13 days |
Pre-Com-Run-3 (10-24 November 2022) completed. The Pre-Com-Run-3 activity log in this link.
Phase 3 (Commissioning)
SHARK-NIR Location: LBT platform. All activities are nightime. Some daytime (within SHARK-NIR) may be required. Also, the SHARK-NIR software, SHINS, is expected to be almost ready to be tested.
Phase 3 is further divided into 4 runs (Com-Run-#), each corresponding to a trip to LBT. Com-Run-1 consists of common activities essential for every observing case. This will be the first to be tested on-sky. Com-Run-2 to Com-Run-4 are interchangeable. It is currently sorted to have the software complexity in the increasing order and also considering the science interest. By the end of these 4 runs, all the SHARK-NIR observing cases will be verified on sky. For each observing case, one (or a maximum of two) target(s) will be tested. The contrast obtained from the data will be used as the merit function or success criterion. A similar (or another) merit function will be used if contrast is not an option. After completing each run, SHARK-NIR will be ready for Phase 4 (science verification) of the respective observing cases.
Note that, for individual runs (2-4), the time taken for other basic activities (such as moving from one target to another, setting up the telescope, closing the AO loop, etc.) are not explicitly mentioned in the table. For example, we anticipate that it may take between 10-20 minutes to move and set the telescope and close the AO loop from one target to another (numbers from the LUCI overheads table). This extra duration required will be mostly covered within the 15% contingency and/or the rounding up of the total nights.
Every evening of the nighttime commissioning, all the required calibrations (including dark, bias, flat-field, etc. for all the filters required) will be taken using the SHARK-NIR calibration unit.
Seeing conditions definition:
- good : <0.8"
- medium: 0.8"-1.2"
- bad: >1.2" - observable
Com-Run-1
# | Activity Name / Observing Case | Duration (hours) | Seeing Conditions | Category | Status |
P3.1 | Telescope control – sending preset, telescope mode, offset, and focal plane geometry estimation | 3 | medium / bad | C5 | complete |
P3.2 | SOUL-AO verification | 6 | good / medium | C5 + C7 | complete (further tuning requires datas to be taken in following runs and day-time activities by Arcetri team following) |
P3.3 | Pupil alignment (for checking the pupil position and working of the script) | 2 | bad | C5 + C6 | complete |
P3.4 | PSF Alignment | 3 | good / medium | C5 + C6 | complete |
P3.5 | Verify the ADC rotation on sky | 4 | medium / bad | C5 | complete |
P3.6 | Checking field-stabilized mode/bearing rotation service | 2 | bad | C5 | complete |
P3.7 | Internal TT loop working and performance (in different magnitude) | 3 | good / medium | C5 + C7 | complete |
P3.8 | NCPA working and performance & checking for pupil shifts | 8 | medium (up to 1") | C5 + C7 | complete but data will be taken on objects in next runs |
P3.9 | Check the acquisition procedure | 2 | medium | C5 | complete |
P3.10 | Sky background | 2 | bad | C5 + C6 | complete |
P3.11 | Astrometry plate scale and orientation | 2 | good / medium | C5 + C6 | partially complete, need more data |
P3.12 | Distortion map | 2 | good / medium | C5 + C6 | partially complete, need more data |
OC1 | Direct imaging - pupil stabilized | 3 | medium / bad | C5 + C7 | complete |
OC2 | DBI - Direct imaging - pupil stabilized | 3 | medium / bad | C5 + C7 | to be done |
OC3 | Direct imaging - field stabilized | 3 | medium / bad | C5 + C7 | complete |
OC4 | DBI - Direct imaging - field stabilized | 3 | medium / bad | C5 + C7 | to be done |
Total duration without contingency | 51 hours = 5.67 nights | Assumption: 1 night = 9 hours | |||
Total duration with 15% contingency (rounded up) | 7 nights |
Com-Run-1 (6-11 January 2023) is complete. The Com-Run-1 activity log in this link.
Phase 4 science verification of the observing cases (1-4) may start after Com-Run-1.
Com-Run-2
# | Activity Name / Observing Case | Duration (hours) | Seeing Conditions | Category | Status | |
Test | Test / Correction following previous Com-Run-# | 4 | bad | C5 | ||
P3.3 | Pupil alignment (for SP-1, GL and FQPM) | 1 | bad | C5 + C6 | completed for GL and SP-1 in Com-Run-1/2 | |
P3.4 | PSF Alignment (for SP-1, GL and FQPM) | 2 | good / medium | C5 + C6 | completed for GL and SP-1 in Com-Run-1/2 | |
P3.14 | Star center Fourier mode images | 1 | good / medium | C5 + C6 | complete, but checks at fainter magnitudes in upcoming runs, low priority | |
P3.15 | Flux calibration (off-centered target observation) (for GL and FQPM and SP-1 ) | 2 | good / medium | C5 + C6 | completed for GL and SP-1 in Com-Run-1/2 | |
P3.16 | Instrumental throughput and absolute flux calibration (for a set of filters) | 2 | bad | C5 + C6 | completed for GL and SP-1 in Com-Run-1/2 | |
P3.17 | Orient the apodizers (for SP-1) | 1 (not considered for calculation) | bad | C5 + C6 | completed | |
OC5 | Coronagraphic imaging - GL - field stabilized | 3 | good / medium | C5 + C7 | completed (TBV by EC) | |
OC6 | Coronagraphic imaging - GL - pupil stabilized | 3 (not considered for calculation) | good / medium | C5 + C7 | completed in Com-Run-1 | |
OC7 | Coronagraphic imaging - FQPM - pupil stabilized | 3 | good / medium | C5 + C7 | to be done | |
OC8 | Coronagraphic imaging - SP1 - pupil stabilized | 3 | good / medium | C5 + C7 | completed | |
Total duration without contingency | 21 hours = 2.33 nights | Assumption: 1 night = 9 hours | ||||
Total duration with 15% contingency (rounded up) | 3 nights |
Com-Run-2 (6-8 March 2023) is complete. The Com-Run-2 activity log in this link.
Phase 4 science verification of the observing cases (5-6) may start after Com-Run-2.
Com-Run-3
# | Activity Name / Observing Case | Duration (hours) | Seeing Conditions | Category | Status |
Test | Test / Correction following previous Com-Run-# | 4 | bad | C5 | |
P3.3 | Pupil alignment (for SP-2, SP-3) | 1 | bad | C5 + C6 | to be done |
P3.4 | PSF Alignment (for SP-2, SP-3) | 2 | good / medium | C5 + C6 | to be done |
P3.17 | Orient the coronagraphs (orient apodizers) | 1 | bad | C5 + C6 | to be done |
P3.15 | Flux calibration (off-centered target observation) (for SP-2, SP-3) | 2 | good / medium | C5 + C6 | to be done |
OC8 | Coronagraphic imaging - SP1 - pupil stabilized | 3 | good / medium | C5 + C7 | completed, data taken during Com-Run-2, 3, 4 |
OC9 | DBI - Coronagraphic imaging - SP1 - pupil stabilized | 3 | good / medium | C5 + C7 | to be done |
OC10 | Coronagraphic imaging - SP2 - pupil stabilized | 3 | good / medium | C5 + C7 | to be done |
OC11 | DBI - Coronagraphic imaging - SP2 - pupil stabilized | 3 | good / medium | C5 + C7 | to be done |
OC12 | Coronagraphic imaging - SP3 - pupil stabilized | 3 | good / medium | C5 + C7 | to be done |
OC13 | DBI - Coronagraphic imaging - SP3 - pupil stabilized | 3 | good / medium | C5 + C7 | to be done |
Total duration without contingency | 28 hours = 3.11 nights | Assumption: 1 night = 9 hours | |||
Total duration with 15% contingency (rounded up) | 4 nights |
Com-Run-3 (2-5 May 2023) is complete. The Com-Run-3 activity log in this link.
Phase 4 science verification of the observing cases (8-13) may start after Com-Run-3.
Com-Run-4
# | Activity Name / Observing Case | Duration (hours) | Seeing Conditions | Category | Status |
Test | Test / Correction following previous Com-Run-# | 3 | bad | C5 | |
P3.4 | PSF Alignment (for SLIT-1 and SLIT-2) | 2 | good / medium | C5 + C6 | completed for SLIT-1 in Com-Run-4 |
P3.18 | Point the slit | 8 | medium / bad | C5 | completed in Com-Run-4 |
P3.19 | Atmospheric calibration | 2 | good / medium | C5 + C6 | completed in Com-Run-4 |
P3.20 | Flux calibration for LSS | 2 | good / medium | C5 + C6 | completed in Com-Run-4 |
OC14 | LSS (R~100) companion (0.1" < distance < 0.2") | 3 | good / medium | C5 + C7 | completed for SLIT-1 in Com-Run-4 |
OC15 | LSS (R~800) companion (distance > 0.2") | 3 | good / medium | C5 + C7 | completed for SLIT-1 in Com-Run-4 |
Total duration without contingency | 21 hours = 2.33 nights | Assumption: 1 night = 9 hours | |||
Total duration with 15% contingency (rounded up) | 3 nights |
Com-Run-4 (1-3 October 2023) is complete. The Com-Run-4 activity log in this link.
Phase 4 science verification of the observing cases (14-17) may start after Com-Run-4.
- Total nights requested = 17 (Assumption: 1 night = 9 hours).
Phase 4 (Science Verification / Early Science)
SHARK-NIR Location : LBT platform. All nighttime activities. SHINS is expected to be ready to be used without any changes required.
Every evening of the nighttime commissioning, all the required calibrations (including dark, bias, flat-field, etc., for all the filters required) will be taken using the SHARK-NIR calibration unit.
SN-ES-Run-1
# | Activity Name / Observing Case | Duration (nights) | Seeing Conditions | Category |
P4.1 | Exo-planet: Giant planets and brown dwarfs in SFR, stellar associations, & young open clusters | 8 | C8 | |
P4.2 | Exo-planet: Astrometry | 1 | C8 | |
P4.3 | Exo-planet: Spectroscopic Characterization of known sub-stellar companions | 3 | C8 | |
P4.4 | Disk: High-contrast images of circumstellar disks | 3 | C8 | |
P4.5 | Disk: Coronagraphic imaging of stellar jets | 0.5 | C8 | |
P4.6 | Disk: Jets investigated with long-slit spectra | 0.5 | C8 | |
P4.7 | Extragalactic: QSO & AGNs | 3 | C8 | |
P4.8 | Solar system: Size and shape of main-belt astroids | 0.5 | C8 | |
P4.9 | Solar system: Surface heterogeneity of trans-neptunian objects | 0.5 | C8 | |
Total duration with 5% contingency | 21 nights |
- When Phase 4 science verification completes, SHARK-NIR may be offered to the community under shared-risk!!!