|
Symbol |
|
Explanation |
|
|
angle, right ascension |
|
|
|
chopper angle |
|
|
|
x-axis offset of the peak from the centre of the array |
|
|
|
right ascension for raster centre |
|
|
|
right ascension of raster point (m,n) |
|
|
|
chopper amplitude |
|
|
|
approximation to chopper angle |
|
|
|
first approximation to chopper angle from linear model, |
|
|
|
approximation to chopper angle |
|
|
probability that null hypothesis is rejected |
(f,a) |
|
correction for inhomogeneous illumination in aperture a by FCS |
|
|
(a) |
inhomogeneous FCS illumination for PHT-P |
|
|
y-axis offset of the peak from the centre of the array |
|
|
power of the dust emissivity |
(i,f) |
|
FCS illumination matrix |
|
|
(i) |
idem |
|
|
declination |
|
|
|
declination of raster centre |
|
|
|
declination of raster point (m,n) |
|
|
degrees of freedom |
|
|
Increment, difference, or uncertainty |
|
|
l |
physical pixel size in Z-direction |
|
|
, |
raster step size in M and N |
|
|
x |
physical distance between pixels |
|
|
|
width of filter bandpass |
|
|
|
PHT-S pixel width in wavelength |
|
|
central obscuration factor by the secondary mirror |
(S) |
|
signal correction function for losses due to chopper modulation |
|
|
|
idem |
|
|
 |
idem |
|
|
number of interpolations, |
|
|
maximum chopper deflection while mapping (PHT32 only) |
|
|
threshold |
|
|
|
first and second threshold in deglitch method |
|
|
wavelength |
|
|
|
central wavelength of filter bandpass |
|
|
|
reference wavelength of filter bandpass |
|
|
|
centre wavelength of a pixel |
|
|
uncertainty or rms |
|
|
|
uncertainty of detector in-band power in the selected filter band |
|
|
|
uncertainty of FWHM |
|
|
rotation angle |
|
|
|
raster rotation angle (ATTRROTA) |
|
|
|
spacecraft roll angle |
(i,s(i,t),t) |
|
transfer function converting PHT-S signals s(i,t) to flux densities |
(t) |
|
orbital phase |
(i,f) |
|
relative filter-to-filter responsivity correction for detector pixel |
|
|
(i) |
idem |
|
|
(f) |
idem for a given P detector |
|
|
goodness of fit |
|
|
solid angle |
|
|
|
effective solid angle for filter f, |