[Last Change: 05 Nov 2021 (rev 42) — 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 | 961.1(3.1) | 977.2(3.1) | 970 | 975 | 12" x 16" | 28" x 32" | I-3 |
| (24.2 x 32.5) | (56.9 x 65.0) | |||||||
| ACIS-S | -190.143 | 234.6(3.1) | 509.1(3.1) | 210 | 520 | 16" x 12" | 32" x 28" | S-3 |
| (32.5 x 24.2) | (65.0 x 56.9) | |||||||
| HRC-I | 126.983 | 7610.7(15.8) | 7761.5(3.4) | 7590 | 7745 | 16" x 12" | 56" x 52" | |
| (121.4 x 91.1) | (425.0 x 394.7) | |||||||
| SIM [Y, Z] | SIM [Y, Z] | |||||||
| HRC-S | 250.466 | 2163.6(11.4) | 8911.1(11.4) | 2195 | 8915 | 12" x 16" | 52" x 56" | S-2 |
| (91.1 x 121.4) | (394.7 x 425.0) | |||||||
Analyses and Presentations
| Title | Author | Source | Date |
|---|---|---|---|
Chandra Optical Axis and Aimpoint |
Ping Zhao | CXC Memorandum | 2021-11-05 |
| Chandra Optical Axis and Aimpoint |
Ping Zhao | CXC Memorandum | 2020-11-11 |
| Chandra Optical Axis and Aimpoint |
Ping Zhao | CXC Memorandum | 2019-12-13 |
| Chandra Optical Axis and Aimpoint |
Ping Zhao | CXC Memorandum | 2018-11-30 |
| Chandra Optical Axis and Aimpoint |
Ping Zhao | CXC Memorandum | 2017-10-18 |
| Chandra Optical Axis and Aimpoint |
Ping Zhao | CXC Memorandum | 2016-11-18 |
| Chandra Optical Axis and Aimpoint |
Ping Zhao | CXC Memorandum | 2015-11-03 |
| Chandra Optical Axis, Aimpoint and Their Drifts |
Ping Zhao | CXC Memorandum | 2014-11-01 |
| Chandra Optical Axis, Aimpoint and Their Drifts |
Ping Zhao | CXC Memorandum | 2013-11-04 |
| Chandra Optical Axis, Aimpoint and Their Drifts |
Ping Zhao | CXC Memorandum | 2012-11-29 |
| Chandra Aimpoint Drift and Default Offsets |
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 |
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 |
