Table 6: HRMA/HETG/HXDS
|
Test Name, Description and Accuracy Requirement
(  1 
)
|
Justification
|
Off-axis
angles
|
Focal Plane Included Angles (radius)
|
T, °C
|
Energy Sampling Interval ( E)
|
Estimated Integration Time
|
Detector
|
4.
4.1 Vignetting
|
|
X, Y & Z axes. Out of focus x-ray images will be used to measure vignetting due to X, Y and Z axis misalignment. Assume 27 positions.
Accuracy: 0.5 mm for Y,Z, 0.3 mm for X.
|
Required for alignment
|
on-axis
|
3 positions
|
nominal
|
Al K
|
4.7 hr (see
§3.1.1
)
|
HSI, BND(FPCs, SSS), FMS
|
4.2 R, PSF
|
|
On-axis response
Use beamceny: 20 point 1-D scans.
Accuracy: 2%(??)
|
Fine details of grating PRF not possible with HRC or ACIS
|
on-axis
|
6 Pinholesa
: 0.1 0.22, 0.6, 1.1, 2.8, 13 arcsec.
|
nominal
|
Al K
|
4.2.1
6.5 hr (see §3.2.1
)
|
Scanning photometer, BND(FPCs, SSS), FMS
|
4.3 Find best focus
|
|
Accuracy: 50  m in X
|
Find optimum focus
|
on-axis
|
0, +x1, +x2, -x1, -x2
|
nominal
|
Al K
|
4.3.1
0.1 hr (see §3.3.1
)
|
HSI, BND(FPCs, SSS), FMS
|
4.4 R, PSF
|
|
On-axis response
Use beamceny: 20 point 1-D scans.
Accuracy: 2%(??)
|
Fine details of grating PRF not possible with HRC or ACIS
|
on-axis
|
6 Pinholes: 0.1 0.22, 0.6, 1.1, 2.8, 13 arcsec.
|
nominal
|
Al IV 131A, C K, Al K
|
13.5 hr (see §3.4.1
)
|
Scanning photometer, BND(FPCs, SSS), FMS
|
4.5 Survey for strange edges in mirror/grating response
|
|
Accuracy: 1% in 1000 resolution elements.
|
Molecular contamination search
|
on-axis
|
full imager field, 5 fields of 18 mm each covering a total of 100 mm of dispersed spectrum.
|
nominal
|
bremsstrahlung continuum 0.35 - 6 keV
|
0.4 hr
(see §3.5.1
)
|
HSI, BND(FPCs, SSS), FMS
|
4.6 Total Data Acquisition Time for HRMA/HETG/HXDS
|
1.1 days
|
|