# Table of zero-offset aimpoints
# Last updated: 16 September 2022
date_effective  cycle_effective  detector  chipx   chipy   chip_id  obsvis_cal
2012-12-15      15               ACIS-I    941.0   988.0   3        1.6
2012-12-15      15               ACIS-S    224.0   490.0   7        1.6
2012-12-15      15               HRC-I     7615.0  7862.0  0        1.6
2012-12-15      15               HRC-S     2075.0  8984.0  2        1.6
2013-12-15      16               ACIS-I    932.0   1009.0  3        1.7
2013-12-15      16               ACIS-S    205.0   480.0   7        1.7
2013-12-15      16               HRC-I     7606.0  7941.0  0        1.7
2013-12-15      16               HRC-S     2050.0  9023.0  2        1.7
2014-12-15      17               ACIS-I    930.2   1009.6  3        1.8a
2014-12-15      17               ACIS-S    200.7   476.9   7        1.8a
2014-12-15      17               HRC-I     7591.0  7936.1  0        1.8a
2014-12-15      17               HRC-S     2041.0  9062.7  2        1.8a
2015-12-15      18               ACIS-I    970.0   975.0   3        1.9
2015-12-15      18               ACIS-S    210.0   520.0   7        1.9
2015-12-15      18               HRC-I     7590.0  7745.0  0        1.9
2015-12-15      18               HRC-S     2195.0  8915.0  2        1.9
2016-12-15      19               ACIS-I    970.0   975.0   3        1.10
2016-12-15      19               ACIS-S    210.0   520.0   7        1.10
2016-12-15      19               HRC-I     7590.0  7745.0  0        1.10
2016-12-15      19               HRC-S     2195.0  8915.0  2        1.10
2017-12-15      20               ACIS-I    970.0   975.0   3        1.11
2017-12-15      20               ACIS-S    210.0   520.0   7        1.11
2017-12-15      20               HRC-I     7590.0  7745.0  0        1.11
2017-12-15      20               HRC-S     2195.0  8915.0  2        1.11
2018-11-07      17               ACIS-S    182.3   468.1   7        1.8a
2018-11-07      18               ACIS-S    191.6   511.2   7        1.9
2018-11-07      19               ACIS-S    191.6   511.2   7        1.10
2018-11-07      20               ACIS-S    191.6   511.2   7        1.11
2018-11-16      17               ACIS-S    200.7   476.9   7        1.8a
2018-11-16      18               ACIS-S    210.0   520.0   7        1.9
2018-11-16      19               ACIS-S    210.0   520.0   7        1.10
2018-11-16      20               ACIS-S    210.0   520.0   7        1.11
2022-09-19      24               ACIS-I    953.74  958.74  3        1.16
2022-09-19      24               ACIS-S    193.74  520.0   7        1.16