%           mjd     real     imag    sigma  (all in microas)
1984.0  45709.3   -282.70   -188.11     21.24
1984.5  45891.9   -301.01   -202.93     19.00
1985.0  46074.5   -267.83   -191.56     17.41
1985.5  46257.1   -264.07   -173.39     15.55
1986.0  46439.8   -246.32   -165.42     14.11
1986.5  46622.4   -202.53   -161.26     12.34
1987.0  46805.0   -197.71    -79.59     10.95
1987.5  46987.6   -195.80    -89.27     10.22
1988.0  47170.3   -183.59    -62.89      9.44
1988.5  47352.9   -186.49    -40.01      8.66
1989.0  47535.5   -163.96    -31.41      8.19
1989.5  47718.1   -168.50     -0.36      7.83
1990.0  47900.8   -160.16     -4.70      7.49
1990.5  48083.4   -150.36     10.73      7.06
1991.0  48266.0   -147.10     10.02      6.20
1991.5  48448.6   -132.59     13.18      5.73
1992.0  48631.3   -135.05     19.87      5.41
1992.5  48813.9   -124.60      8.67      5.12
1993.0  48996.5   -119.77     17.54      4.93
1993.5  49179.1   -120.75      7.08      4.59
1994.0  49361.8   -118.51     19.46      4.54
1994.5  49544.4   -120.87     20.45      4.38
1995.0  49727.0   -111.66     16.05      4.33
1995.5  49909.6   -107.88     18.69      4.30
1996.0  50092.3   -105.30     12.35      4.27
1996.5  50274.9    -94.85      2.79      4.30
1997.0  50457.5    -86.56     -3.63      4.22
1997.5  50640.1    -71.14    -12.87      4.27
1998.0  50822.8    -46.62    -28.61      4.56
1998.5  51005.4    -36.82    -41.49      4.61
1999.0  51188.0    -26.79    -57.37      4.60
1999.5  51370.6     -8.52    -59.07      4.58
2000.0  51553.3      5.94    -60.99      4.50
2000.5  51735.9     27.88    -59.92      4.50
2001.0  51918.5     33.95    -71.04      4.29
2001.5  52101.1     53.98    -73.41      4.21
2002.0  52283.8     60.42    -66.17      4.31
2002.5  52466.4     76.75    -75.72      4.13
2003.0  52649.0     92.51    -60.95      4.19
2003.5  52831.6     98.13    -51.15      4.22
2004.0  53014.3    126.07    -33.07      4.24
2004.5  53196.9    126.45    -14.15      4.21
2005.0  53379.5    141.98      4.34      4.18
2005.5  53562.1    146.89     34.17      3.90
2006.0  53744.8    153.09     53.43      3.88
2006.5  53927.4    149.70     75.34      3.65
2007.0  54110.0    143.95     82.24      3.72
2007.5  54292.6    134.41     97.37      3.78
2008.0  54475.3    134.28    114.31      3.75
2008.5  54657.9    129.11    148.10      3.92
2009.0  54840.5    127.52    156.95      3.89
2009.5  55023.1    126.21    174.89      3.81
2010.0  55205.8    122.60    180.47      3.73
2010.5  55388.4    132.61    187.27      3.75
2011.0  55571.0    126.73    191.25      3.44
2011.5  55753.6    129.21    192.97      3.38
2012.0  55936.3    126.45    199.58      3.14
2012.5  56118.9    114.50    179.55      3.21
2013.0  56301.5    112.18    176.16      3.17
2013.5  56484.1    110.42    169.45      3.17
2014.0  56666.8    121.64    165.14      3.07
2014.5  56849.4    122.90    171.23      2.94
2015.0  57032.0    123.54    166.04      2.92
2015.5  57214.6    127.13    159.56      2.98
2016.0  57397.3    126.56    155.62      2.96
2016.5  57579.9    130.04    149.40      2.99
2017.0  57762.5    129.18    149.68      3.08
2017.5  57945.1    124.31    147.73      3.16
2018.0  58127.8    116.53    152.77      3.31
2018.5  58310.4    114.03    146.91      3.49
2019.0  58493.0    116.30    149.03      3.85
2019.5  58675.6    116.38    160.89      4.14