Table 3: Initial Measurements: Alignment and Focus

Test Name, Description and Accuracy Requirement
( 1 )

Justification

Off-axis

angles

Focal Plane Included Angles (radius)

T, °C

Energy Sampling Interval (E)

Data Acquisition Time Estimate

Detector

1.
1.1 X-ray Alignment & Focus

Measure the alignment of PnHn. Do hsialign, then beamcen, mcaalign. Accuracy: 0.1 arcsec.

Data needed for verification of HRMA acceptance, and for on-orbit model calculations

0

0.010 mm diam. pinhole

70 2.5 F

Al-K

hsialign(100)+beamcen(5 )+mcaalign(9,9,10): {268+4x100+127+6x5+235+14x9+[9x9x(97+20)]
= 10,663 sec} x 4 mirrors = 11.8 hr

HSI


1.2 2-D scan 19 x 19, beamcen, mcascan

Verification of general image quality

0

beamcen(5)+ mcascan(19,19,10): 127+6x5+215+14x19+19x19x(22+10) = 12190 sec = 3.4 hr

Pinhole Scanner


1.3 Total Data AcquisitionTime for Initial Measurements

15.2 hr





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