Sequencer Site SIRTF IOC Activity c. 2002

CAID: MIPS-235 Title: 160 um Focal Plane Survey (fine)
 
System: MIPS Principal: jkeene Deputy: 
Objective:  
To measure the pixel sizes and the relative
locations ( i.e., array orientation, scale  and 
distortion) as a  function of scan mirror angle.
 
Description:
This task will duplicate MIPS-234 - adding 
another
repeat.
 
Day:   61.6687500000044 Suggested Order:   R300
 
Must be preceded by these activities (list by CAID):   MIPS-234
 
Place in Schedule:   After dust cover off. After initial FPS survey and CSMM calibration.
 
Priority:   Necessary


Conditions

Maximum telescope temperature: 6.5 K
 
Minimum telescope temperature: 5.5 K
 
Should activity be repeated if focus changes?   No     Repeat if focus changes by 0 mm
 
Maximum absolute pointing uncertainty: 3 arcsec (1 sigma radial)
 
Maximum precision offset uncertainty: 1 arcsec  (1 sigma radial)
 
Observatory configuration: standard
 
Go/No Go criteria: CSMM, CE, and detectors must be operational, instrument and telescope temperatures must be stable


Resources

Duration:   90 minutes
 
Real time downlink:   No   

Data Volume (uncompressed): 0 Mbits
 
List Blocks, AORs, SERs, IERs, or unique sequences required (uplink): IER or perhaps unique IPP file to apply non-standard CSMM offset to otherwise nominal 3x1 raster AOT.
 
List Analysis tools required (downlink):   Pipeline output. Centroiding of sources in 160um images -> pixel coordinates of those sources.

Outcome


Estimate of data turn around:   60 hours
 
Description: Map of the 160 mm pixel locations.
 
Can proceed in parallel with other activity: No
 
Must outcome be confirmed before next activity: No
 
Method of Confirmation:   Data analysis
 
 
Success criteria: Source appears on array in all observations.
 
Contingency plan:  Repeat with brighter star and/or integrating longer. Revise offsets from PCRS to 160FOV for CSMM offssets used.
 
 

Comments

 
References:  
 
Additional Comments:
This task verifies field distortions on the 160um array, and determines in detail the orientation and location of the array. Results influence reconstruction of scan-map observations primarily.
 
This activity last updated: 7/25/2002 1:56:05 PM