%           mjd     real     imag    sigma  (all in microas)
1984.0  45709.3   -282.62   -188.42     21.24
1984.5  45891.9   -301.01   -203.12     19.00
1985.0  46074.5   -267.88   -191.75     17.41
1985.5  46257.1   -264.15   -173.47     15.55
1986.0  46439.8   -246.48   -165.52     14.11
1986.5  46622.4   -202.66   -161.33     12.34
1987.0  46805.0   -197.76    -79.62     10.95
1987.5  46987.6   -195.85    -89.28     10.21
1988.0  47170.3   -183.64    -62.93      9.44
1988.5  47352.9   -186.49    -40.06      8.66
1989.0  47535.5   -163.94    -31.45      8.19
1989.5  47718.1   -168.60     -0.42      7.83
1990.0  47900.8   -160.21     -4.77      7.49
1990.5  48083.4   -150.39     10.70      7.06
1991.0  48266.0   -147.12     10.07      6.20
1991.5  48448.6   -132.58     13.15      5.73
1992.0  48631.3   -135.03     19.92      5.41
1992.5  48813.9   -124.62      8.69      5.12
1993.0  48996.5   -119.76     17.58      4.93
1993.5  49179.1   -120.78      7.10      4.59
1994.0  49361.8   -118.51     19.48      4.54
1994.5  49544.4   -120.89     20.51      4.38
1995.0  49727.0   -111.68     16.11      4.33
1995.5  49909.6   -107.90     18.76      4.30
1996.0  50092.3   -105.32     12.39      4.27
1996.5  50274.9    -94.84      2.82      4.30
1997.0  50457.5    -86.56     -3.59      4.22
1997.5  50640.1    -71.15    -12.87      4.27
1998.0  50822.8    -46.65    -28.62      4.56
1998.5  51005.4    -36.84    -41.50      4.61
1999.0  51188.0    -26.83    -57.39      4.60
1999.5  51370.6     -8.55    -59.10      4.58
2000.0  51553.3      5.93    -61.02      4.50
2000.5  51735.9     27.87    -59.95      4.50
2001.0  51918.5     33.93    -71.08      4.30
2001.5  52101.1     53.96    -73.46      4.21
2002.0  52283.8     60.41    -66.23      4.31
2002.5  52466.4     76.75    -75.77      4.13
2003.0  52649.0     92.50    -61.00      4.19
2003.5  52831.6     98.13    -51.16      4.22
2004.0  53014.3    126.03    -33.10      4.24
2004.5  53196.9    126.44    -14.15      4.21
2005.0  53379.5    141.97      4.36      4.18
2005.5  53562.1    146.88     34.18      3.90
2006.0  53744.8    153.09     53.44      3.88
2006.5  53927.4    148.69     75.14      3.65
2007.0  54110.0    142.94     82.03      3.73
2007.5  54292.6    133.55     97.04      3.78
2008.0  54475.3    133.43    113.95      3.75
2008.5  54657.9    128.37    147.66      3.92
2009.0  54840.5    126.83    156.47      3.89
2009.5  55023.1    125.49    174.41      3.81
2010.0  55205.8    121.93    179.95      3.73
2010.5  55388.4    131.90    186.78      3.76
2011.0  55571.0    126.17    190.74      3.45
2011.5  55753.6    128.67    192.47      3.39
2012.0  55936.3    125.87    199.11      3.15
2012.5  56118.9    114.05    179.25      3.21
2013.0  56301.5    111.74    175.89      3.17
2013.5  56484.1    110.43    169.42      3.17
2014.0  56666.8    121.64    165.12      3.07
2014.5  56849.4    122.91    171.22      2.94
2015.0  57032.0    123.54    166.03      2.92
2015.5  57214.6    127.14    159.55      2.98
2016.0  57397.3    126.56    155.60      2.96
2016.5  57579.9    130.00    148.26      2.98
2017.0  57762.5    129.16    148.49      3.07
2017.5  57945.1    124.34    146.54      3.14
2018.0  58127.8    116.70    151.21      3.29
2018.5  58310.4    114.07    145.39      3.48
2019.0  58493.0    116.26    146.89      3.82
2019.5  58675.6    116.30    158.48      4.12