taskGNU Astronomy Utilities - Tasks: task #16136, Finding distortion parameters in...

 
 

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task #16136: Finding distortion parameters in the WCS

Submitter:  Mohammad Akhlaghi <makhlaghi>
Submitted:  Thu 24 Mar 2022 08:49:11 AM UTC
   
 
Should Start On:  Thu 24 Mar 2022 12:00:00 AM UTC Should be Finished on:  Thu 24 Mar 2022 12:00:00 AM UTC
Category:  Astrometry Priority:  5 - Normal
Item Group:  Enhancement Status:  Postponed
Privacy:  Public Assigned to:  None
Percent Complete:  0% Open/Closed:  Open
Effort:  0.00

Thu 24 Mar 2022 08:49:11 AM UTC, original submission:  

In task #15637, the linear WCS solution has been found. But distortions still remain to be measured. So I am starting this new task for distortions.

The general parametric framework for WCS distortions are described in Calabretta et al.. The most common ones used in imaging are the TPV and SIP standards.

On a related note, I noticed this paper on arXiv today: Taheri et al. 2022. It describes a method of finding distortions, which may be of interest for us in this task. There are other papers/webpage/programs for this is well, we should keep a library of the related work here in this task.

Mohammad Akhlaghi <makhlaghi>
Group administrator

 

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