%           mjd     real     imag    sigma  (all in microas)
1984.0  45709.3  -282.71  -188.08    21.24
1984.5  45891.9  -301.16  -202.92    19.00
1985.0  46074.5  -267.91  -191.54    17.41
1985.5  46257.1  -264.23  -173.34    15.55
1986.0  46439.8  -246.32  -165.45    14.11
1986.5  46622.4  -202.50  -161.26    12.34
1987.0  46805.0  -197.74   -79.57    10.95
1987.5  46987.6  -195.84   -89.28    10.22
1988.0  47170.3  -183.65   -62.95     9.44
1988.5  47352.9  -186.49   -40.16     8.66
1989.0  47535.5  -163.95   -31.56     8.19
1989.5  47718.1  -168.44    -0.29     7.83
1990.0  47900.8  -160.22    -4.55     7.48
1990.5  48083.4  -150.36    10.90     7.05
1991.0  48266.0  -147.06    10.13     6.19
1991.5  48448.6  -132.59    13.23     5.73
1992.0  48631.3  -135.09    19.87     5.41
1992.5  48813.9  -124.69     8.72     5.11
1993.0  48996.5  -119.83    17.67     4.92
1993.5  49179.1  -120.86     6.81     4.65
1994.0  49361.8  -118.65    19.26     4.60
1994.5  49544.4  -121.03    20.28     4.43
1995.0  49727.0  -111.78    15.92     4.38
1995.5  49909.6  -108.01    18.57     4.35
1996.0  50092.3  -105.47    12.25     4.32
1996.5  50274.9   -94.98     2.65     4.35
1997.0  50457.5   -86.64    -3.74     4.27
1997.5  50640.1   -71.30   -13.01     4.32
1998.0  50822.8   -46.85   -28.65     4.60
1998.5  51005.4   -37.04   -41.53     4.66
1999.0  51188.0   -26.95   -57.43     4.64
1999.5  51370.6    -8.66   -59.16     4.62
2000.0  51553.3     5.82   -61.13     4.54
2000.5  51735.9    27.80   -59.89     4.50
2001.0  51918.5    33.86   -71.11     4.29
2001.5  52101.1    53.93   -73.49     4.21
2002.0  52283.8    60.39   -66.32     4.31
2002.5  52466.4    76.69   -75.91     4.13
2003.0  52649.0    92.47   -61.16     4.19
2003.5  52831.6    98.03   -51.35     4.22
2004.0  53014.3   125.96   -33.30     4.24
2004.5  53196.9   126.38   -14.38     4.21
2005.0  53379.5   141.97     4.02     4.19
2005.5  53562.1   146.90    33.89     3.90
2006.0  53744.8   153.06    53.20     3.88
2006.5  53927.4   149.64    75.08     3.65
2007.0  54110.0   143.96    81.97     3.72
2007.5  54292.6   134.34    97.11     3.78
2008.0  54475.3   134.26   114.15     3.75
2008.5  54657.9   129.13   148.06     3.93
2009.0  54840.5   127.43   156.90     3.89
2009.5  55023.1   126.13   174.82     3.81
2010.0  55205.8   122.48   180.44     3.73
2010.5  55388.4   132.55   187.20     3.75
2011.0  55571.0   126.76   191.19     3.44
2011.5  55753.6   129.27   192.97     3.39
2012.0  55936.3   126.55   199.59     3.14
2012.5  56118.9   114.55   179.53     3.21
2013.0  56301.5   112.28   176.07     3.17
2013.5  56484.1   110.53   169.41     3.17
2014.0  56666.8   121.37   165.15     3.06
2014.5  56849.4   122.66   171.25     2.94
2015.0  57032.0   122.89   167.14     2.88
2015.5  57214.6   126.47   160.67     2.95
2016.0  57397.3   126.92   157.00     2.95
2016.5  57579.9   130.45   152.23     3.01
2017.0  57762.5   129.67   152.53     3.10
2017.5  57945.1   124.43   150.84     3.18
2018.0  58127.8   116.51   156.03     3.33
2018.5  58310.4   114.06   150.18     3.53
2019.0  58493.0   116.17   152.76     3.89