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F.2 Greek Symbols

Symbol Explanation

$\alpha$ angle, right ascension

$\alpha$ chopper angle

$\alpha$ x-axis offset of the peak from the centre of the array

$\alpha_{c}$ right ascension for raster centre

$\alpha_{m,n}$ right ascension of raster point (m,n)

$\alpha_{amp}$ chopper amplitude

$\alpha_{approx}$ approximation to chopper angle

$\alpha_{linear}$ first approximation to chopper angle from linear model,

$\alpha_{sky}$ approximation to chopper angle

$\alpha$ probability that null hypothesis is rejected

$\alpha$ (f,a) correction for inhomogeneous illumination in aperture a by FCS

$\alpha^{f}$ (a) inhomogeneous FCS illumination for PHT-P

$\beta$ y-axis offset of the peak from the centre of the array

$\beta$ power of the dust emissivity

$\Gamma$ (i,f) FCS illumination matrix

$\Gamma^{f}$ (i) idem

$\delta$ declination

$\delta_{c}$ declination of raster centre

$\delta_{m,n}$ declination of raster point (m,n)

$\delta$ degrees of freedom

$\Delta$ Increment, difference, or uncertainty

$\Delta$ l physical pixel size in Z-direction

${\Delta}M$ , ${\Delta}N$ raster step size in M and N

$\Delta$ x physical distance between pixels

$\Delta \lambda$ width of filter bandpass

$\Delta\lambda_{pix}$ PHT-S pixel width in wavelength

$\epsilon$ central obscuration factor by the secondary mirror

$\zeta$ (S) signal correction function for losses due to chopper modulation

$\zeta(s_{scr}, det, t_{dwell})$ idem

$\zeta(S_{src},det,t_{dwell})$ idem

$\iota$ number of interpolations,

$\theta_{chop}$ maximum chopper deflection while mapping (PHT32 only)

$\kappa$ threshold

$\kappa_1,\kappa_2$ first and second threshold in deglitch method

$\lambda$ wavelength

$\lambda_{c}$ central wavelength of filter bandpass

$\lambda_{ref}$ reference wavelength of filter bandpass

$\lambda(i)$ centre wavelength of a pixel

$\sigma$ uncertainty or rms

$\sigma(P)$ uncertainty of detector in-band power in the selected filter band

$\sigma_{FWHM}$ uncertainty of FWHM

$\Phi$ rotation angle

$\Phi_{raster}$ raster rotation angle (ATTRROTA)

$\Phi$ spacecraft roll angle

$\varphi$ (i,s(i,t),t) transfer function converting PHT-S signals s(i,t) to flux densities

$\phi$ (t) orbital phase

$\chi$ (i,f) relative filter-to-filter responsivity correction for detector pixel

$\chi^{f}$ (i) idem

$\chi$ (f) idem for a given P detector

$\chi^{2}$ goodness of fit

$\Omega$ solid angle

$\Omega^{f}_{eff}$ effective solid angle for filter f,

Next: G. Glossary Up: F. List of Symbols Previous: F.1 Roman Symbols

ISO Handbook Volume IV (PHT), Version 2.0.1, SAI/1999-069/Dc

Symbol		Explanation
$\alpha$		angle, right ascension
	$\alpha$	chopper angle
	$\alpha$	x-axis offset of the peak from the centre of the array
	$\alpha_{c}$	right ascension for raster centre
	$\alpha_{m,n}$	right ascension of raster point (m,n)
	$\alpha_{amp}$	chopper amplitude
	$\alpha_{approx}$	approximation to chopper angle
	$\alpha_{linear}$	first approximation to chopper angle from linear model,
	$\alpha_{sky}$	approximation to chopper angle
$\alpha$		probability that null hypothesis is rejected
$\alpha$ (f,a)		correction for inhomogeneous illumination in aperture a by FCS
	$\alpha^{f}$ (a)	inhomogeneous FCS illumination for PHT-P
$\beta$		y-axis offset of the peak from the centre of the array
$\beta$		power of the dust emissivity
$\Gamma$ (i,f)		FCS illumination matrix
	$\Gamma^{f}$ (i)	idem
$\delta$		declination
	$\delta_{c}$	declination of raster centre
	$\delta_{m,n}$	declination of raster point (m,n)
$\delta$		degrees of freedom
$\Delta$		Increment, difference, or uncertainty
	$\Delta$ l	physical pixel size in Z-direction
	${\Delta}M$ , ${\Delta}N$	raster step size in M and N
	$\Delta$ x	physical distance between pixels
	$\Delta \lambda$	width of filter bandpass
	$\Delta\lambda_{pix}$	PHT-S pixel width in wavelength
$\epsilon$		central obscuration factor by the secondary mirror
$\zeta$ (S)		signal correction function for losses due to chopper modulation
	$\zeta(s_{scr}, det, t_{dwell})$	idem
	$\zeta(S_{src},det,t_{dwell})$	idem
$\iota$		number of interpolations,
$\theta_{chop}$		maximum chopper deflection while mapping (PHT32 only)
$\kappa$		threshold
	$\kappa_1,\kappa_2$	first and second threshold in deglitch method
$\lambda$		wavelength
	$\lambda_{c}$	central wavelength of filter bandpass
	$\lambda_{ref}$	reference wavelength of filter bandpass
	$\lambda(i)$	centre wavelength of a pixel
$\sigma$		uncertainty or rms
	$\sigma(P)$	uncertainty of detector in-band power in the selected filter band
	$\sigma_{FWHM}$	uncertainty of FWHM
$\Phi$		rotation angle
	$\Phi_{raster}$	raster rotation angle (ATTRROTA)
	$\Phi$	spacecraft roll angle
$\varphi$ (i,s(i,t),t)		transfer function converting PHT-S signals s(i,t) to flux densities
$\phi$ (t)		orbital phase
$\chi$ (i,f)		relative filter-to-filter responsivity correction for detector pixel
	$\chi^{f}$ (i)	idem
	$\chi$ (f)	idem for a given P detector
$\chi^{2}$		goodness of fit
$\Omega$		solid angle
	$\Omega^{f}_{eff}$	effective solid angle for filter f,