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This is a clarification of a problem hinted at in other issues.
There is a power floor in the EoR window when perfect calibration is used. It seems related to how many sources are subtracted. While i…
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Based on conversations at the Utah meeting:
* Trigger `MEDIUM` bitmask and behavior (e.g., local sky subtraction) only for Gaia sources with `G
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Hi all,
I computed the dome flats for several rafts in the u-band and the g-band. The ones that are labeled WFD are the ones that are in `CALIB_WFD` directory, whereas the others are in the `CALIB`…
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This is continuing some work from Issue #168 in testing what happens to real galaxies when they are modified in various ways by GalSim. Going off @rmandelb's [summarizing comment on that issue](https…
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For the HI aficionados -- At the moment we have a few available continuum subtraction options in MeerKATHI:
1. Subtract model while selfcalibrating (_self_cal:calibrate:output_data: CORR_RES_)
2. …
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I am running the reduction on a set of LRISb data with the 400 grism and a 560 dichroic and have run into a strange error with the sky subtraction around the objects (currently with model_full_slit se…
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Hey all,
I'm working on reducing some NIRES data with PypeIt. Is there a good place to look for documentation on the "calib," "comb_id," and "bkg_id" columns in the .pypeit file? Right now, my Pype…
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A good test of our sky-subtraction (and masking) algorithms is to generate curve-of-growth figures for each galaxy -- the cumulative flux (mag) vs radius or semi-major axis. If we're getting the sky …
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In order to ensure that all the flux is added up (especially when the star is very bright and there is some cross-talk) it would be great to be able to add up more rings of spaxels around the pre-defi…
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@geordie666 et al.:
Looking at skies that are not flagged as BAD_SKY in **/desi/target/catalogs/dr7.1/0.27.0/skies-dr7.1-0.27.0.fits**:
for instance in the small chunk of 180