%           mjd     real     imag    sigma  (all in microas)
1979.6  44090.0   144.36  -105.13   142.78
1980.1  44272.6    66.05  -144.36   122.15
1980.6  44455.2     7.21  -236.75   105.23
1981.1  44637.9   -14.67  -232.02    76.62
1981.6  44820.5  -103.55  -177.45    50.92
1982.1  45003.1  -215.14  -203.29    36.25
1982.6  45185.7  -205.89  -184.44    30.02
1983.1  45368.4  -238.76  -190.01    23.82
1983.6  45551.0  -244.66  -223.00    21.84
1984.1  45733.6  -272.00  -207.15    18.69
1984.6  45916.2  -287.62  -218.96    17.52
1985.1  46098.9  -249.76  -204.22    15.71
1985.6  46281.5  -248.51  -184.49    14.45
1986.1  46464.1  -233.75  -178.39    12.74
1986.6  46646.7  -201.68  -161.14    11.05
1987.1  46829.4  -198.66   -92.10     9.79
1987.6  47012.0  -195.45   -95.47     9.12
1988.1  47194.6  -181.71   -64.68     8.51
1988.6  47377.2  -181.70   -46.55     7.78
1989.1  47559.9  -157.67   -26.09     7.30
1989.6  47742.5  -165.25   -14.64     6.94
1990.1  47925.1  -154.62    -5.53     6.49
1990.6  48107.7  -149.28     3.13     5.57
1991.1  48290.4  -140.52     0.65     5.27
1991.6  48473.0  -130.21     7.69     4.79
1992.1  48655.6  -130.01    14.72     4.57
1992.6  48838.2  -122.31     5.48     4.35
1993.1  49020.9  -120.13    15.10     4.23
1993.6  49203.5  -118.02    10.61     3.96
1994.1  49386.1  -118.16    16.78     3.94
1994.6  49568.7  -117.85    15.84     3.87
1995.1  49751.4  -108.63    13.46     3.83
1995.6  49934.0  -106.70    14.73     3.78
1996.1  50116.6  -102.48     9.38     3.77
1996.6  50299.2   -91.51     2.37     3.75
1997.1  50481.9   -84.29    -2.91     3.72
1997.6  50664.5   -68.16   -11.48     3.94
1998.1  50847.1   -48.13   -26.89     4.19
1998.6  51029.7   -36.03   -43.59     4.27
1999.1  51212.4   -22.42   -56.88     4.28
1999.6  51395.0    -3.35   -56.05     4.20
2000.1  51577.6    15.84   -61.07     4.12
2000.6  51760.2    36.19   -57.99     4.03
2001.1  51942.9    41.56   -63.64     3.82
2001.6  52125.5    60.63   -60.45     3.78
2002.1  52308.1    66.11   -51.39     3.84
2002.6  52490.7    90.00   -58.82     3.62
2003.1  52673.4    99.33   -46.19     3.65
2003.6  52856.0   111.51   -42.25     3.58
2004.1  53038.6   130.62   -22.17     3.61
2004.6  53221.2   132.92    -6.61     3.59
2005.1  53403.9   144.17    10.88     3.48
2005.6  53586.5   147.77    38.30     3.30
2006.1  53769.1   152.00    53.43     3.33
2006.6  53951.7   145.37    68.72     3.19
2007.1  54134.4   139.63    77.66     3.26
2007.6  54317.0   130.87    95.53     3.35
2008.1  54499.6   130.64   115.14     3.39
2008.6  54682.2   122.86   156.57     3.63
2009.1  54864.9   124.21   167.51     3.58
2009.6  55047.5   121.23   191.42     3.38
2010.1  55230.1   119.53   192.05     3.35
2010.6  55412.7   129.94   199.42     3.27
2011.1  55595.4   128.88   194.86     3.00
2011.6  55778.0   131.57   196.57     2.90
2012.1  55960.6   128.94   199.15     2.74
2012.6  56143.2   118.33   176.84     2.82
2013.1  56325.9   116.78   172.59     2.81
2013.6  56508.5   114.84   165.09     2.83
2014.1  56691.1   124.91   162.77     2.72
2014.6  56873.7   125.28   170.28     2.64
2015.1  57056.4   124.92   166.91     2.56
2015.6  57239.0   126.98   160.38     2.61
2016.1  57421.6   127.63   155.55     2.65
2016.6  57604.2   129.95   151.26     2.74
2017.1  57786.9   129.34   151.04     2.81
2017.6  57969.5   124.11   148.89     2.92
2018.1  58152.1   113.19   155.00     3.07
2018.6  58334.7   112.04   150.05     3.31