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output the mapping between pixel position and wavelength
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in the iraf imexamine task, if set wcs=world and press 'a' key, it can print image coordinates as well as wcs, for example :
COL LINE COORDINATES
R MAG FLUX SKY PEAK …
kyika updated
5 years ago
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Hello,
I am working with a mac version 12.2.1. I have been going through the instructions for installation here,
https://github.com/GeminiDRSoftware/IRAF_VM_tutorial/blob/master/source/installatio…
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Remove or replace Numerical Recipes code
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Write a script to identify spectra which cannot be read in easily with specutils. Eventually we can work on converting them, but right now, let's just identify them. This script could potentially also…
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See the discussion in #7350 (which doesn't really belong there).
In summary, currently, the rejection of points is cumulative from one iteration to the next. It's possible that some points will app…
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Feedback from Ros Skelton:
- could only run the command line version on astro
- I couldn’t copy and paste anything into the text boxes, which meant that if I wanted to put in a long target name or new…
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**Describe the bug**
These two FITS headers refuse to align with others. What is wrong with them?
```
Could not enable spatial matching of Bania2_downsampled_kms_try2.fits to reference image G00…
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Often I have to crop images, but the ``Physical`` coordinate, which is understood by SAO ds9, is missing when I use ``ccdproc``.
I have my personal codes, which include image trimming and adds the…
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First, I want to thank you for your incredible work on revitalizing IRAF. I was able to install IRAF (from Github) on a macOS Monterey machine (run_tests only showed 2 failed and 1 skipped, so remarka…