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@dmargala identified that our occasional PMI init failures are related to large variations in the startup time of different MPI ranks before they connect to MPI. These were traced to variations in mo…
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Will imageutils tasks work on `astropy.NDData` objects (ie meaning that they will be able to handle bad pixel masks and uncertainty frames as well as just WCS) and not just `ndarray` objects?
I th…
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We’re having an issue with EPSFBuilder where our resultant epsf appears to not be resampling properly when we have an oversampling greater than 1. We are inputing 32 stars, and have an oversampling of…
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I tried to obtain the star PSF for a very large image of HST. The original image was huge, I tried to obtain the stars first and put them into individual fits. After subtracted the background and mas…
oxno2 updated
2 months ago
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I'm trying to run a python 3 script calling APLpy from a conda python 3.9 environment on Linux. It fails with:
```
File "/home/thorsten/bin/makeNotionCharts.py", line 39, in
from aplpy imp…
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I am attempting to make an ePSF from a set of 18 stars in the field of an ACS/SBC F125LP drizzled image. I'm following the example [here](https://photutils.readthedocs.io/en/stable/epsf.html). The res…
jryon updated
2 months ago
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### Description
Apparently, there is no reason for us to use `CCDData` as `NDData` is more generic and works with GWCS. Currently, I see it used in Cubeviz, Mosviz, and `app.py`.
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pllim updated
3 years ago
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As discussed in https://github.com/astropy/astropy/pull/4797#issuecomment-214357936 a renaming of some of the classes in nddata might help both new users and clarify what the discussion surrounding ch…
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This has been tested with a GriddedPSFModel created out of a set of webbpsf Roman WFI apertures, using the sample code below. Note that instead of using webbpsf directly to create the PSF grid, instea…
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### Description
Currently if a user tries to propagate errors (i.e. `nddata.NDUncertainty.propagate`) with an operation not currently supported (`e.g. np.power`) it will error with a ValueError
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