[Last Change: 18 Oct 2017 (rev 32) — Page History]

HRMA Optical Axis and Telescope Aimpoint

Status

The following table of Chandra Telescope optical axis and aimpoint positions is according to the memorandum by Ping Zhao.

Detector SIM_Z Optical Axis (pixel) Permanent Aimpoint (pixel) Error Box without Dither (pixel) Error Box with Dither (pixel) Chip
(mm) Chip X(e) Chip Y(e) Chip X Chip Y
ACIS-I -233.587 962.5(3.5) 978.9(3.5) 970 975 24.2 x 32.5 56.9 x 65.0 I-3
12" x 16" 28" x 32"
ACIS-S -190.143 233.4(3.5) 510.8(3.5) 210 520 32.5 x 24.2 65.0 x 56.9 S-3
16" x 12" 32" x 28"
HRC-I 126.983 7603.3(17.4) 7761.5(6.0) 7590 7745 121.4 x 91.1 425.0 x 394.7  
16" x 12" 56" x 52"
SIM [Y, Z] SIM [Y, Z]
HRC-S 250.466 2168.7(13.0) 8916.1(13.0) 2195 8915 91.1 x 121.4 394.7 x 425.0 S-2
12" x 16" 52" x 56"

Analyses and Presentations

Title Author Source Date
Chandra Optical Axis and Aimpointpdf Ping Zhao CXC Memorandum 2017-10-18
Chandra Optical Axis and Aimpointpdf Ping Zhao CXC Memorandum 2016-11-18
Chandra Optical Axis and Aimpointpdf Ping Zhao CXC Memorandum 2015-11-03
Chandra Optical Axis, Aimpoint and Their Driftspdf Ping Zhao CXC Memorandum 2014-11-01
Chandra Optical Axis, Aimpoint and Their Driftspdf Ping Zhao CXC Memorandum 2013-11-04
Chandra Optical Axis, Aimpoint and Their Driftspdf Ping Zhao CXC Memorandum 2012-11-29
Chandra Aimpoint Drift and Default Offsetspdf Ping Zhao CXC Memorandum 2011-11-09
The Quality and Stability of Chandra Telescope Pointing and Spacial Resolution Ping Zhao Chandra Calibration Review 2009-09-21
Chandra Telescope Optical Axis and Aimpoint Ping Zhao Chandra Calibration Workshop 2007-10-25
Chandra Telescope Optical Axis and Aimpoint pdf Ping Zhao CXC Memorandum 2006-09-21
Chandra Telescope Optical Axis and Aimpoint Ping Zhao Chandra Calibration Workshop 2005-10-31
Chandra Telescope Optical Axis Ping Zhao Chandra Calibration Workshop 2004-10-25
Optical Axis Measurement Maxim Markevitch   2000-10-12
Optical Axis Measurement Maxim Markevitch   1999-10-11
Initial Crude Optical Axis Maxim Markevitch, Terry Gaetz   1999-08-17
 
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