SPICE Composition Mapping

Observation configuration

= SPICE nominal observation mode I

Target: Centre, Poles, E-W, N-S, limb, AR

Line List: 15 lines (2 profiles, 13 intensities)

Slit: 4"

Parameters are highlighted in blue.

Observing mode	#Line Profiles	#Px/Profile	# Intensities	Slit (")	Exp.time	# Mirror Pos	Step size	Tilt time	FOV (")		Data cube (px)			Duration	Repeats	Calc. Data Vol	Total Data Vol	Total Duration	Data rate
= study	(max=32)			2/4/6/30	(s)	=#exposures	(arcsecs)	(secs)	X	Y	X	Y	Z	(min)		(MB)	Compressed (MB)	(min)	(kbits/s)
Composition Mapping	2	32	13	4"	180	60	4"	0.14	240"	660"	60	800	90	180	1	8.64	0.606	180.1	0.45
	NeVIII, MgIX								4'	11'	scan dir	along slit	spectral dim

Line-SNR and spatial resolution combinations:

line-SNR>10 at 4"x2" in C-III, O-VI, Ne-VII, and Mg-IX-AR

Source: SPICE User Manual Iss 5.0 (Nov 2014)

Ion	Wavelength (Å)	Log T (K)	FIP (eV)	M/q
H I	1025	4.0	13.6	--
C II	1036	4.3	11.3	12.0
C III	977	4.5	11.3	6.0
O IV	787.7	5.2	13.6	5.3
O V	760	5.4	13.6	4.0
O VI	1032	5.5	13.6	3.2
S V	1037	5.5	13.6	3.2
Ne VI	786.5	5.2	10.36	8.0
Ne VII	1005	5.5	21.6	4.0
Ne VIII	973	5.6	21.6	3.3
Ne VIII	770	5.8	21.6	2.8
Mg VIII	772	5.9	7.7	3.4
Mg IX	706	6.0	7.7	3.0
Mg XI	997	6.2	7.7	2.4
Si VII	1049	5.6	8.1	4.8
Si XII	521 (2nd)	6.5	8.1	2.6
Fe X	1028	6.0	7.9	6.2
Fe XVIII	975	6.9	7.9	3.3
Fe XX	721	7.0	7.9	2.9

Auxiliary lines:

Ion	Wavelength (Å)	Log T (K)	FIP (eV)	M/q
Ne VIII	780	5.8	21.6	2.8
Si XII	499 (2nd)	6.5	8.1	2.6