HFI reference bolometer

This sections provides information on the reference bolometer interferograms and spectra used in determining the relative spectral response functions for the Planck HFI detectors and frequency bands.

Properties of reference bolometer spectra

Band [GHz]	No. Interfer.	No. Spec.	MPD [cm]	ILS FWHM [cm-1]	avg. S/N
100	164	164	29.644698	0.020357772	11.478057
143	164	164	29.644698	0.020357772	37.361317
217	164	164	29.644698	0.020357772	126.14280
353	24	24	29.652306	0.020352549	136.06159
545	24	24	29.652306	0.020352549	314.58093
857	24	24	29.652306	0.020352549	388.23050

• 

  100-217 GHz

• 

  353-857 GHz

• 

  All bands

Reference bolometer spectra and S/N.

• 

  100 GHz

• 

  143 GHz

• 

  217 GHz

• 

  353 GHz

• 

  545 GHz

• 

  857 GHz

Reference bolometer spectra (top) and S/N (bottom) for each of the HFI bands (vertical dashed lines represent band edges).

Approximate S/N ratio for the individual HFI detector spectra and the reference bolometer spectra.