Data Products
The following is an overview of the data products created by the pipeline.
File Extension |
Units |
Note |
|---|---|---|
intb |
DN/px |
overscan subtracted and trimmed bias |
int |
e-/px |
reduced output intensity |
intd |
e-/px |
dark current/scattered light removed |
wavemap |
A |
wavelength value at pixel |
slicemap |
0-23 |
slice number at pixel |
posmap |
0-140 |
slice position (px) at pixel |
intf |
e-/px |
instrumental variations removed |
intk |
e-/px |
sky subtracted |
obj |
e-/px |
un-sky subtracted object panel (Nod & Shuffle) |
sky |
e-/px |
sky model image or sky panel (Nod & Shuffle) |
icube |
e-/px |
geometry corrected data cube |
icubed |
e-/px |
DAR corrected data cube |
icubew |
e-/px |
Wavelength corrected data cube |
icubes |
flux/px |
Std star calibrated data cube |
There are also several so-called “master” files created:
File Extension |
Full Name |
Note |
|---|---|---|
marcs |
Master Arc |
New with the red side, required due to sensitvity to cosmic rays. |
mbias |
Master Bias |
|
mcbars |
Master Continuum Bars |
|
mdarks |
Master Dark |
|
mdome |
Master Dome Flat |
|
mflat |
Master Internal Flat |
|
mobj |
Master Object |
Only created if multiple exposures of the same target are collected. Can mitigate cosmic rays, in certain situations. |
mtwif |
Master Twilight Flat |
|
sdome |
Stacked Dome Flat |
Stacked, but un-merged Dome Flat |
sflat |
Stacked Internal Flat |
Stacked, but un-merged Internal Flat |
stwif |
Stacked Twilight Flat |
Stacked, but un-merged Twilight Flat |
More detail can be found at this file, which describes the products from the old IDL pipeline.