9.
9.1 PRF/Encircled Energy/Effective Area^a

Efficiency. Relative from one energy to another, 3%, Absolute efficiency 10%.

SNR plasma T to 5% accuracy and ionization age to 10% requires 3% relative calibration of efficiency.

= 0 arcmin, = 0 arcmin, = 0°; two off-axis angles, TBD

0

7 energies from 0.4 to 8 keV: Ti L, Ni L, Na K , Al K, Ti K , Fe K, Cu K.

9.1.1

(200x3+2x900)x7+6x900 = 21000 = 5.8 hr

ACIS-G, BND(FPCs, SSS), FMS

Point Spread Function, vs. focus to 10^-3peak.

Measure 200 km s^-1 doppler broadening with signal-to-noise ratio >3.

0, x₁, x₂

3 energies (TBD) from 0.4 to 8 keV.

9.1.2

((4000x3+2x900)x3+2x900)x3+2x900 = 36.5 hr

Background.

validates other calibration data

N.A.

9.1.3

20000 = 5.6 hr

Repeat §9.1.1 to §9.1.3 for ACIS-I

47.9 hr

ACIS-I, BND(FPCs, SSS), FMS

Subtotal: 95.8 hr

9.2 Survey for strange edges in mirror/grating response

Accuracy: 1% in 1000 resolution elements.

Molecular contamination search

N.A.

9.2.1

22.2 hr

ACIS-G, BND(FPCs, SSS), FMS

9.3 Total Integration Time for HETG/ACIS

4.9 days