%           mjd     real     imag    sigma  (all in microas)
1984.0  45709.3  -282.31  -188.44    21.24
1984.5  45891.9  -300.88  -203.09    19.00
1985.0  46074.5  -267.75  -191.69    17.41
1985.5  46257.1  -263.87  -173.49    15.55
1986.0  46439.8  -245.93  -165.71    14.11
1986.5  46622.4  -202.18  -161.31    12.35
1987.0  46805.0  -197.65   -79.63    10.95
1987.5  46987.6  -195.74   -89.40    10.22
1988.0  47170.3  -183.59   -62.98     9.44
1988.5  47352.9  -186.47   -40.29     8.67
1989.0  47535.5  -163.91   -31.65     8.19
1989.5  47718.1  -168.40    -0.28     7.83
1990.0  47900.8  -160.20    -4.57     7.49
1990.5  48083.4  -150.34    10.91     7.05
1991.0  48266.0  -147.00    10.19     6.19
1991.5  48448.6  -132.57    13.31     5.73
1992.0  48631.3  -135.03    19.93     5.41
1992.5  48813.9  -124.63     8.87     5.11
1993.0  48996.5  -119.79    17.73     4.92
1993.5  49179.1  -120.79     7.02     4.59
1994.0  49361.8  -118.58    19.56     4.54
1994.5  49544.4  -120.98    20.50     4.38
1995.0  49727.0  -111.72    16.08     4.33
1995.5  49909.6  -107.95    18.74     4.30
1996.0  50092.3  -105.42    12.37     4.27
1996.5  50274.9   -94.97     2.73     4.30
1997.0  50457.5   -86.66    -3.69     4.23
1997.5  50640.1   -71.27   -12.94     4.28
1998.0  50822.8   -46.70   -28.58     4.56
1998.5  51005.4   -36.86   -41.48     4.62
1999.0  51188.0   -26.63   -57.27     4.61
1999.5  51370.6    -8.35   -59.01     4.59
2000.0  51553.3     6.17   -60.94     4.51
2000.5  51735.9    28.24   -59.71     4.51
2001.0  51918.5    34.35   -70.93     4.30
2001.5  52101.1    54.55   -73.22     4.21
2002.0  52283.8    60.95   -66.11     4.31
2002.5  52466.4    77.37   -75.68     4.13
2003.0  52649.0    93.24   -60.87     4.19
2003.5  52831.6    98.80   -50.98     4.22
2004.0  53014.3   126.04   -33.28     4.24
2004.5  53196.9   126.51   -14.33     4.21
2005.0  53379.5   142.17     4.07     4.19
2005.5  53562.1   147.07    34.03     3.90
2006.0  53744.8   153.18    53.32     3.88
2006.5  53927.4   149.76    75.18     3.65
2007.0  54110.0   144.06    82.10     3.73
2007.5  54292.6   134.36    97.21     3.78
2008.0  54475.3   134.25   114.21     3.75
2008.5  54657.9   129.13   148.12     3.93
2009.0  54840.5   127.42   156.89     3.89
2009.5  55023.1   126.10   174.80     3.81
2010.0  55205.8   122.41   180.42     3.73
2010.5  55388.4   132.51   187.17     3.76
2011.0  55571.0   126.70   191.21     3.45
2011.5  55753.6   129.20   192.96     3.39
2012.0  55936.3   126.49   199.61     3.14
2012.5  56118.9   114.57   179.63     3.21
2013.0  56301.5   112.39   176.13     3.17
2013.5  56484.1   110.60   169.47     3.17
2014.0  56666.8   121.30   165.41     3.07
2014.5  56849.4   122.97   171.05     2.95
2015.0  57032.0   123.26   166.59     2.90
2015.5  57214.6   124.84   158.93     2.98
2016.0  57397.3   124.83   154.37     3.00
2016.5  57579.9   128.30   149.47     3.07
2017.0  57762.5   127.39   149.59     3.17
2017.5  57945.1   121.80   147.78     3.25
2018.0  58127.8   112.48   152.66     3.41
2018.5  58310.4   109.70   146.35     3.62