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From @araichoor on slack, with minor edits:
about himalayas sanity checks:
I ve started to revive my fujalupe scripts, I just dump here a first result on the file existence, in case others have mo…
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Target 39633178008228311 was observed several nights and usually does not have strong emission lines. For example in fuji per night a typical night
plot_spectra -i 20210107/spectra-5-80675-20210…
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While testing the `survey_simulations` notebook in the tutorials with kernel 22.2
https://github.com/desihub/tutorials/blob/ddd19ef4dae83c906d6c11659989f82f55e046ff/survey-simulations.ipynb
the …
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The sky subtraction step of the pipeline has a widely varying runtime, likely due to an iterative algorithm and varying data quality.
The plot below shows the median runtime of the sky subtraction …
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I don't see any datamodel doc for the SV0 coadd files but I notice that fibers in the BRZ_* arrays are not sorted in order of increasing FIBER number, so permuted relative to arrays in (C)FRAME files…
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This might be a fix in desispec.scripts.extract, or it may require something in specter.
Night 20191024 exposure 20672 with OBSTYPE=FLAT got traceshifted slightly off of the default extraction wave…
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This issue is to implement an optional model of vignetting as a function of position in the focal plane.
Can vignetting be modeled as an achromatic multiplicative throughput factor that depends onl…
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As discussed with @julienguy it would be useful to have an updated throughput model, so that it can be included in Lyman alpha (and other) spectra simulations.
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on 20240223, the collimator feature in the b-camera of the sframesky images are clearly visible (I didn t see any obvious effect on the redshifts, so I ve QA-validated the tiles): https://data.desi.lb…
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### Description
`BinTable.copy()` does not copy FITS card comments.
### Expected behavior
`BinTable.copy()` should produce an exact copy of the HDU, including the header cards, and their comments.
…