%           mjd     real     imag    sigma  (all in microas)
1979.6  44090.0   172.62    48.58   163.58
1980.1  44272.6    75.71    -2.38   139.84
1980.6  44455.2    42.42   -79.95   120.95
1981.1  44637.9    20.74  -134.63    81.59
1981.6  44820.5   -99.26  -142.05    54.37
1982.1  45003.1  -235.50  -184.12    37.51
1982.6  45185.7  -215.21  -173.39    30.79
1983.1  45368.4  -239.11  -180.25    24.39
1983.6  45551.0  -243.23  -217.45    22.47
1984.1  45733.6  -273.41  -206.84    19.15
1984.6  45916.2  -290.44  -221.45    17.91
1985.1  46098.9  -254.42  -206.66    16.02
1985.6  46281.5  -248.64  -186.55    14.69
1986.1  46464.1  -229.13  -177.72    13.09
1986.6  46646.7  -195.46  -156.65    11.38
1987.1  46829.4  -193.58   -90.54    10.14
1987.6  47012.0  -191.59   -95.49     9.43
1988.1  47194.6  -178.35   -65.69     8.75
1988.6  47377.2  -180.47   -47.16     7.99
1989.1  47559.9  -157.38   -27.67     7.49
1989.6  47742.5  -164.41   -14.74     7.10
1990.1  47925.1  -153.14    -4.42     6.67
1990.6  48107.7  -148.65    -0.03     5.75
1991.1  48290.4  -140.90    -1.82     5.45
1991.6  48473.0  -130.22     5.55     4.97
1992.1  48655.6  -129.42    12.44     4.79
1992.6  48838.2  -123.08     1.62     4.57
1993.1  49020.9  -120.32    11.15     4.46
1993.6  49203.5  -117.52     7.97     4.18
1994.1  49386.1  -118.12    14.15     4.15
1994.6  49568.7  -117.74    13.82     4.06
1995.1  49751.4  -107.83    11.52     4.02
1995.6  49934.0  -105.39    13.45     3.95
1996.1  50116.6  -100.44     9.04     3.92
1996.6  50299.2   -89.53     2.79     3.90
1997.1  50481.9   -82.11    -3.28     3.85
1997.6  50664.5   -65.13   -11.16     4.04
1998.1  50847.1   -43.84   -28.57     4.27
1998.6  51029.7   -33.02   -44.64     4.33
1999.1  51212.4   -20.68   -57.17     4.33
1999.6  51395.0    -0.43   -55.70     4.27
2000.1  51577.6    18.55   -59.59     4.20
2000.6  51760.2    35.89   -57.17     4.09
2001.1  51942.9    41.12   -61.92     3.89
2001.6  52125.5    58.06   -58.80     3.89
2002.1  52308.1    62.69   -51.59     3.96
2002.6  52490.7    86.51   -60.03     3.78
2003.1  52673.4    95.10   -49.67     3.81
2003.6  52856.0   106.87   -45.08     3.74
2004.1  53038.6   123.75   -26.90     3.75
2004.6  53221.2   126.37   -13.50     3.73
2005.1  53403.9   136.84     3.22     3.63
2005.6  53586.5   141.36    32.43     3.49
2006.1  53769.1   145.79    47.12     3.49
2006.6  53951.7   140.26    64.19     3.32
2007.1  54134.4   134.63    72.55     3.41
2007.6  54317.0   126.83    91.50     3.49
2008.1  54499.6   126.66   109.83     3.58
2008.6  54682.2   119.24   148.64     3.83
2009.1  54864.9   120.96   159.64     3.78
2009.6  55047.5   117.62   184.76     3.56
2010.1  55230.1   116.67   185.66     3.50
2010.6  55412.7   126.43   193.03     3.43
2011.1  55595.4   127.35   189.79     3.16
2011.6  55778.0   129.32   193.98     3.11
2012.1  55960.6   127.25   197.06     2.94
2012.6  56143.2   116.98   175.30     3.05
2013.1  56325.9   115.25   171.98     3.05
2013.6  56508.5   114.03   165.33     3.05
2014.1  56691.1   123.33   163.66     2.94
2014.6  56873.7   124.69   169.49     2.89
2015.1  57056.4   126.60   164.97     2.86
2015.6  57239.0   127.67   155.74     2.96
2016.1  57421.6   128.84   150.57     3.00
2016.6  57604.2   131.99   144.81     3.10
2017.1  57786.9   131.39   144.52     3.23
2017.6  57969.5   125.35   141.99     3.38
2018.1  58152.1   112.77   148.11     3.55