%           mjd     real     imag    sigma  (all in microas)
1979.6  44090.0   -216.09   -194.03     80.27
1980.1  44272.6   -201.67   -163.12     67.99
1980.6  44455.2   -240.12   -210.85     56.70
1981.1  44637.9   -114.47   -147.28     46.14
1981.6  44820.5    -85.74    -70.23     33.77
1982.1  45003.1   -148.78   -125.81     26.97
1982.6  45185.7   -189.30   -103.13     23.25
1983.1  45368.4   -260.95   -202.10     20.45
1983.6  45551.0   -265.60   -183.43     18.73
1984.1  45733.6   -285.96   -189.85     16.26
1984.6  45916.2   -268.69   -173.92     15.22
1985.1  46098.9   -270.02   -139.98     13.95
1985.6  46281.5   -270.39   -143.60     12.93
1986.1  46464.1   -253.06   -135.72     11.90
1986.6  46646.7   -235.52   -140.58     10.53
1987.1  46829.4   -206.94    -94.86      9.45
1987.6  47012.0   -211.15    -82.77      8.88
1988.1  47194.6   -191.68    -65.62      8.32
1988.6  47377.2   -188.75    -39.40      7.58
1989.1  47559.9   -162.21    -25.63      6.99
1989.6  47742.5   -159.31     -9.36      6.51
1990.1  47925.1   -149.83      0.09      6.03
1990.6  48107.7   -141.38      5.85      5.23
1991.1  48290.4   -134.82      5.28      4.94
1991.6  48473.0   -127.78      8.04      4.54
1992.1  48655.6   -124.71     13.92      4.35
1992.6  48838.2   -115.73      3.98      4.16
1993.1  49020.9   -114.41     13.24      4.02
1993.6  49203.5   -117.68     11.13      3.81
1994.1  49386.1   -117.05     17.33      3.79
1994.6  49568.7   -115.64     18.42      3.74
1995.1  49751.4   -108.96     15.79      3.70
1995.6  49934.0   -105.82     15.10      3.65
1996.1  50116.6    -99.52     12.17      3.65
1996.6  50299.2    -90.00      3.06      3.70
1997.1  50481.9    -81.79     -0.67      3.70
1997.6  50664.5    -68.56     -9.93      3.93
1998.1  50847.1    -48.75    -25.45      4.23
1998.6  51029.7    -39.44    -41.23      4.30
1999.1  51212.4    -26.32    -56.53      4.34
1999.6  51395.0     -8.24    -53.99      4.28
2000.1  51577.6     10.66    -60.00      4.18
2000.6  51760.2     34.53    -55.98      4.02
2001.1  51942.9     40.13    -62.21      3.84
2001.6  52125.5     58.70    -61.54      3.76
2002.1  52308.1     66.30    -51.08      3.83
2002.6  52490.7     89.60    -56.48      3.62
2003.1  52673.4     98.55    -45.79      3.66
2003.6  52856.0    109.07    -39.88      3.61
2004.1  53038.6    126.25    -21.38      3.65
2004.6  53221.2    129.49     -7.87      3.59
2005.1  53403.9    140.55      9.97      3.53
2005.6  53586.5    143.14     37.77      3.36
2006.1  53769.1    147.49     53.02      3.37
2006.6  53951.7    142.35     68.21      3.24
2007.1  54134.4    137.52     77.59      3.32
2007.6  54317.0    131.16     93.99      3.39
2008.1  54499.6    131.44    113.68      3.43
2008.6  54682.2    122.64    150.68      3.63
2009.1  54864.9    123.48    162.76      3.59
2009.6  55047.5    120.08    187.02      3.41
2010.1  55230.1    118.11    188.92      3.35
2010.6  55412.7    127.44    196.37      3.28
2011.1  55595.4    125.46    190.99      3.05
2011.6  55778.0    127.97    195.50      2.93
2012.1  55960.6    124.69    198.44      2.75
2012.6  56143.2    116.19    177.81      2.85
2013.1  56325.9    115.33    174.21      2.83
2013.6  56508.5    113.50    166.29      2.82
2014.1  56691.1    124.47    163.11      2.69
2014.6  56873.7    124.95    171.57      2.61
2015.1  57056.4    123.76    167.51      2.49
2015.6  57239.0    133.53    166.00      2.53
2016.1  57421.6    131.64    161.58      2.49
2016.6  57604.2    134.59    156.00      2.49
2017.1  57786.9    133.78    156.03      2.55
2017.6  57969.5    130.44    154.57      2.63
2018.1  58152.1    123.38    162.11      2.70
2018.6  58334.7    122.38    157.26      2.86
2019.1  58517.4    123.70    161.11      3.03
2019.6  58700.0    125.77    171.12      3.18