Created
November 11, 2022 14:50
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APOGEE 2D frames for FROE
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| # /uufs/chpc.utah.edu/common/home/sdss43/dr17/apogee/spectro/redux/dr17/exposures/apogee-n/57282 | |
| # or | |
| # https://dr17.sdss.org/sas/dr17/apogee/spectro/redux/dr17/exposures/apogee-n/57282/ | |
| from glob import glob | |
| from astropy.io import fits | |
| # Just use the middle chip for now | |
| paths = glob("ap2D-b-*.fits") | |
| for path in paths: | |
| with fits.open(path) as image: | |
| print(path, image[0].header["IMAGETYP"]) | |
| """ | |
| ap2D-b-17200004.fits Dark | |
| ap2D-b-17200006.fits ArcLamp | |
| ap2D-b-17200005.fits QuartzFlat | |
| ap2D-b-17200008.fits ArcLamp | |
| ap2D-b-17200007.fits ArcLamp | |
| ap2D-b-17200010.fits Dark | |
| ap2D-b-17200009.fits ArcLamp | |
| ap2D-b-17200012.fits Dark | |
| ap2D-b-17200011.fits Dark | |
| ap2D-b-17200041.fits Dark | |
| ap2D-b-17200043.fits QuartzFlat | |
| ap2D-b-17200040.fits Dark | |
| ap2D-b-17200045.fits QuartzFlat | |
| ap2D-b-17200042.fits Dark | |
| ap2D-b-17200047.fits ArcLamp | |
| ap2D-b-17200044.fits QuartzFlat | |
| ap2D-b-17200052.fits InternalFlat | |
| ap2D-b-17200046.fits ArcLamp | |
| ap2D-b-17200053.fits InternalFlat | |
| ap2D-b-17200048.fits ArcLamp | |
| ap2D-b-17200054.fits Dark | |
| ap2D-b-17200049.fits ArcLamp | |
| ap2D-b-17200050.fits Dark | |
| ap2D-b-17200051.fits InternalFlat | |
| ap2D-b-17200022.fits Object | |
| ap2D-b-17200023.fits Object | |
| ap2D-b-17200025.fits Object | |
| ap2D-b-17200024.fits Object | |
| ap2D-b-17200026.fits Object | |
| ap2D-b-17200027.fits Object | |
| ap2D-b-17200028.fits Object | |
| ap2D-b-17200029.fits Object | |
| ap2D-b-17200030.fits Object | |
| """ | |
| get_paths = [ | |
| ("Object", "ap2D-b-17200022.fits"), | |
| ("ArcLamp", "ap2D-b-17200049.fits"), | |
| ("InternalFlat", "ap2D-b-17200053.fits"), | |
| ("QuartzFlat", "ap2D-b-17200044.fits"), | |
| ("Dark", "ap2D-b-17200042.fits") | |
| ] | |
| commands = [] | |
| for image_type, basename in get_paths: | |
| commands.extend([ | |
| f"wget -O {basename} https://dr17.sdss.org/sas/dr17/apogee/spectro/redux/dr17/exposures/apogee-n/57282/{basename}", | |
| f"ln -s {basename} {image_type}.fits" | |
| ]) | |
| print(f"Execute these:") | |
| print("\n".join(commands)) | |
| # After downloading: | |
| image = fits.open("QuartzFlat.fits") | |
| import matplotlib.pyplot as plt | |
| fig, ax = plt.subplots() | |
| ax.imshow(image[1].data, vmin=0, vmax=2000) | |
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