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VISIR:
Reference frames

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Reference Frames
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Standard VISIR reference frames

Although, currently, no calibration data are taken for VISIR, a number of health check data are acquired every day.

They include:

  • a set of 2 dark frames for the imaging and spectroscopic detector; for the spectroscopic detector darks are taken in two instrumental setups: every day
  • a set of 6 flatfield frames for the imaging detector: every day


Standard VISIR DARK Frames

Detector:INS.MODE IMAGING (IMG) SPECTROSCOPIC (SPC) SPECTROSCOPIC (SPC)
Setup INS.FILT1.NAME_INS.PFOV=CLOSE_0.127 INS.RESOL_INS.SLIT1.WID_INS.GRAT1.WLEN=MR_1.0_7.8 INS.RESOL_INS.SLIT1.WID_INS.GRAT1.WLEN=HRS_1.0_8.9
Dark 2nd raw
0.3 Mb 0.3 Mb 0.3 Mb
hdr hdr hdr
Dark product
0.3 Mb 0.3 Mb 0.3 Mb
hdr hdr hdr

Standard VISIR FLATFIELD Frames

Detector:INS.MODE IMAGING (IMG)
Setup INS.FILT1.NAME_INS.PFOV=PAH1_0.127
Flat 2nd raw
0.3 Mb
hdr
Flat product
0.3 Mb
hdr




 
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