JWST Proposal 1011 (Created: Thursday, May 19, 2016 8:00:16 PM EST) - Overview
1011 - MIRI Focal Plane Configurations
Cycle: 0, Proposal Category: COM/MIRI
(Availability Mode: <TBD>)
INVESTIGATORS
Name
David Breda (PI)
Tim Grundy (CoI) (ESA Member) (Contact)
Dr. Karl D. Gordon (CoI) (Contact)
Mr. Thomas Wheeler (CoI) (Contact)
Sarah Kendrew (CoI) (ESA Member) (Contact)
Dr. Michael E. Ressler (CoI) (Contact)
Institution
Jet Propulsion Laboratory
CLRC, Rutherford Appleton Laboratory
Space Telescope Science Institute
Space Telescope Science Institute
ESA-European Space Astronomy Centre
Jet Propulsion Laboratory
OBSERVATIONS
Folder Observation
Label
Observing Template
CAR-MIRI-002 Focal Plane Configurations
1
Focal Plane Configurati Realtime Commanding
ons sequence part 1
2
Focal plane configurati MIRI Dark
ons sequence part 2
E-Mail
david.a.breda@jpl.nasa.gov
tim.grundy@stfc.ac.uk
kgordon@stsci.edu
wheeler@stsci.edu
sarah.kendrew@esa.int
michael.e.ressler@jpl.nasa.gov
Science Target
NONE
NONE
ABSTRACT
TBD
OBSERVING DESCRIPTION
This is a commissioning activity for MIRI to test the focal plane configurations via real time commanding. The sequence is as follows:
1
JWST Proposal 1011 (Created: Thursday, May 19, 2016 8:00:16 PM EST) - Overview
PART 1 - real time commanding
- imir_det_htr_ctrl to cooldown mode, heater power=0, x 3 for 3 detectors
- Verify temperatures
- imir_det_htr_ctrl to stability mode, 6.4 K set point, x 3 for 3 detectors
- imir_flt_det_set_bias to set detector bias voltage, x 3 for bank 0, 1, 2.
- imir_flt_det_scan_array to set detector readout parameters (all 3 detectors simultaneously)
- imir_ft_det_pwr_on to switch on power to detectors with nominal settings (all 3 detectors simultaneously)
- Verify temperatures and biases
- imir_det_htr_ctrl to cooldown temperature, x 3 for 3 detectors
- imir_det_htr_ctrl to anneal temperature (26K), x 3 for 3 detectors
- imir_det_htr_ctrl to stability, x 3 for 3 detectors
- Confirm anneals completed successfully.
Note (1): must be followed by a wait period of 90 minutes before any science observations with MIRI detectors. Other non-MIRI activities can be
carried out in this period.
Note (2): followed by OSS exposures to check detector exposure state.
Note (3): Anneal procedures can be optimised with dedicated high-level scripts TBD.
Note (4): Time estimate does not include 90 min wait after anneal.
PART 2 - OSS
- simultaneous single exposure of all 3 MIRI detectors
Note (5): the proposal specifies only Imager detector read out as simultaneous exposure with all 3 detectors not yet implemented in APT.
2
Special Requirements Spectral Elements Template Observation
Proposal 1011 - Observation 1 - MIRI Focal Plane Configurations
Proposal 1011, Observation 1
Diagnostic Status: No Diagnostics
Observing Template: Realtime Commanding
Realtime Duration
3000
Handoff Window Duration
Fri May 20 01:00:17 GMT 2016
Initial Setup Duration
0
#
1
No Parallel
Realtime
Required
3
Cleanup Duration
0
Aperture
Special Requirements Spectral Elements Template Observation
Proposal 1011 - Observation 2 - MIRI Focal Plane Configurations
Proposal 1011, Observation 2
Diagnostic Status: No Diagnostics
Observing Template: MIRI Dark
Comments: This exposure should be performed with all 3 detectors simultaneously.
Fri May 20 01:00:17 GMT 2016
Detector
IMAGER
Subarray
FULL
#
Readout Pattern No. of Groups
1
FAST
1
No. of
Integrations
1
Photon Collect
Duration
2.785
Total Photon
No. of Exposures Short Groups
Collect Duration
2.785
1
Parallel
4
Long Groups
Short
Integrations
Long
Integrations