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Showing content from https://github.com/legacysurvey/legacypipe/issues/349 below:

90prime images with mucked up FWHM values -- lots of noise · Issue #349 · legacysurvey/legacypipe · GitHub

Creating this issue as I track down the 90prime images in DR8 without -photom.fits files. Lots of complaining that we should be catching much earlier.

ioannis@cori08:~/dr8c% python ~/repos/git/legacypipe/py/legacyzpts/legacy_zeropoints.py --image 90prime/BOK_CP/CP20180419/ksb_180420_110216_ooi_r_v1.fits.fz --outdir . --camera 90prime --calibdir calib --threads 1
Reading /global/homes/i/ioannis/repos/git/legacypipe/py/legacyzpts/data/90prime-bad_expid.txt
Working on image 1/1: 90prime/BOK_CP/CP20180419/ksb_180420_110216_ooi_r_v1.fits.fz
CP Header: EXPNUM =  82280092
CP Header: PROCDATE =  2018-04-21T06:40:34
CP Header: PLVER =  V2.1
CP Header: PLPROCID =  915ddf1
File not found ./90prime/CP20180419/ksb_180420_110216_ooi_r_v1-survey.fits
File not found ./90prime/CP20180419/ksb_180420_110216_ooi_r_v1-annotated.fits
File not found calib/90prime/psfex-merged/82280/90prime-82280092.fits
File not found calib/90prime/splinesky-merged/82280/90prime-82280092.fits
File not found ./90prime/CP20180419/ksb_180420_110216_ooi_r_v1-photom.fits
TIMING:before-run  Wall: 0.17 s, CPU: 0.03 s
CP Header: EXPNUM =  82280092
CP Header: PROCDATE =  2018-04-21T06:40:34
CP Header: PLVER =  V2.1
CP Header: PLPROCID =  915ddf1
File not found calib/90prime/splinesky-merged/82280/90prime-82280092.fits
File not found calib/90prime/psfex-merged/82280/90prime-82280092.fits
Fpack quantization method: SUBTRACTIVE_DITHER_2
Traceback (most recent call last):
  File "/global/homes/i/ioannis/repos/git/legacypipe/py/legacyzpts/legacy_zeropoints.py", line 430, in read_weight
    fixed = fix_weight_quantization(wt, fn, self.ext, self.slc)
  File "/global/homes/i/ioannis/repos/git/legacypipe/py/legacypipe/image.py", line 1533, in fix_weight_quantization
    raise ValueError('fix_weight_quantization: ZZERO is not all zero: [%.g, %.g]!' % (np.min(zzero), np.max(zzero)))
ValueError: fix_weight_quantization: ZZERO is not all zero: [4e+03, 5e+03]!

> WARNING: No source with appropriate FWHM found!!


> WARNING: No appropriate source found!!


> WARNING: 1st context group removed (not enough samples)


> WARNING: No source with appropriate FWHM found!!


> WARNING: No appropriate source found!!

Fpack quantization method: SUBTRACTIVE_DITHER_2
Traceback (most recent call last):
  File "/global/homes/i/ioannis/repos/git/legacypipe/py/legacypipe/image.py", line 786, in read_invvar
    fixed = fix_weight_quantization(invvar, self.wtfn, self.hdu, slice)
  File "/global/homes/i/ioannis/repos/git/legacypipe/py/legacypipe/image.py", line 1533, in fix_weight_quantization
    raise ValueError('fix_weight_quantization: ZZERO is not all zero: [%.g, %.g]!' % (np.min(zzero), np.max(zzero)))
ValueError: fix_weight_quantization: ZZERO is not all zero: [4e+03, 5e+03]!
/global/common/software/desi/cori/desiconda/20190311-1.2.7-img/aux/lib/python3.6/site-packages/astrometry/util/miscutils.py:54: FutureWarning: `rcond` parameter will change to the default of machine precision times ``max(M, N)`` where M and N are the input matrix dimensions.
To use the future default and silence this warning we advise to pass `rcond=None`, to keep using the old, explicitly pass `rcond=-1`.
  res = np.linalg.lstsq(A, b)
Fpack quantization method: SUBTRACTIVE_DITHER_2
Traceback (most recent call last):
  File "/global/homes/i/ioannis/repos/git/legacypipe/py/legacyzpts/legacy_zeropoints.py", line 430, in read_weight
    fixed = fix_weight_quantization(wt, fn, self.ext, self.slc)
  File "/global/homes/i/ioannis/repos/git/legacypipe/py/legacypipe/image.py", line 1533, in fix_weight_quantization
    raise ValueError('fix_weight_quantization: ZZERO is not all zero: [%.g, %.g]!' % (np.min(zzero), np.max(zzero)))
ValueError: fix_weight_quantization: ZZERO is not all zero: [3e+03, 5e+03]!

> WARNING: No source with appropriate FWHM found!!


> WARNING: No appropriate source found!!
[snip]

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