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Joshuaalbert/DSA2000-Cal
Bright source effect

Steps 1. Simulate 1Jy/beam point source at source_offset=f*PB, e.g. [1.5deg, 2deg, ..., 15deg], with antenna pointing offsets with pointing_stdev in [0 , 0.5 , 1 , 1.5 , 2 ], and calibration errors ...
  • Joshuaalbert
  • Opened 
    29 days ago
  • #155

Joshuaalbert/DSA2000-Cal
switch stateless actors with small overheads to tasks

Some actors claim large resources for large swathes of time, but sit idle for lots of time as they wait for the deps to finish. This means we lose resource utilisation. Since the application of tasks is ...
enhancement
  • Joshuaalbert
  • Opened 
    on Jan 13
  • #154

Joshuaalbert/DSA2000-Cal
random zernike distortions for dish simulation

We would like to augment the dish simulation using zernike modes. These should correspond to the mean and standard deviation of the coefficients.
enhancement
Low Priority
  • Joshuaalbert
  • Opened 
    on Dec 13, 2024
  • #153

Joshuaalbert/DSA2000-Cal
Scale up to remove backpressure

  • Joshuaalbert
  • 1
  • Opened 
    on Dec 12, 2024
  • #152

Joshuaalbert/DSA2000-Cal
Set the resource requirements for each task (`num_cpus`, `num_gpus`, `memory`)

  • Joshuaalbert
  • Opened 
    on Dec 12, 2024
  • #151

Joshuaalbert/DSA2000-Cal
Create unresolved bright source catalog covering full survey in wsclean format.

- [x] Get a complete catalog of unresolved bright sources ( 100mJy/beam) over the entire survey area. - [ ] count how many fall within the FWHM (3.06deg) of each pointing, and report the statistics ...
  • Joshuaalbert
  • Opened 
    on Dec 12, 2024
  • #150

Joshuaalbert/DSA2000-Cal
Finalise observation parameters

@varosero I think the best way to go forward is use the survey pointings, then pick a tile from from it, and position TRECS over the central pointing in the tile. Because, the hex pattern will change at ...
  • Joshuaalbert
  • 1
  • Opened 
    on Dec 12, 2024
  • #149

Joshuaalbert/DSA2000-Cal
Forward modelling run

Goal: to run the first forward modelling, targeting a nominal run: 1. with most up-to-date OVRO antenna model 2. realistic dish effects 3. realistic ionosphere 4. full sky model 5. calibration errors ...
Epic
  • Joshuaalbert
  • Opened 
    on Dec 12, 2024
  • #148

Joshuaalbert/DSA2000-Cal
gridding solint of freqs too slow

Consider gridding process per freq_idx instead of multi-threads per sol int
enhancement
  • Joshuaalbert
  • Opened 
    on Dec 10, 2024
  • #147

Joshuaalbert/DSA2000-Cal
imge and psf bugs

psf and image are not normalised. Also psf is same as image.
bug
  • Joshuaalbert
  • 1
  • Opened 
    on Dec 10, 2024
  • #146
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