%           mjd     real     imag    sigma  (all in microas)
1984.5  45889.4  -292.81  -167.90    33.79
1985.0  46072.0  -301.86  -147.00    30.97
1985.5  46254.7  -261.46  -122.31    29.48
1986.0  46437.3  -255.51  -124.88    27.83
1986.5  46619.9  -178.11  -125.93    21.52
1987.0  46802.5  -147.05   -41.38    16.12
1987.5  46985.2  -150.15   -46.63    14.37
1988.0  47167.8  -147.75   -45.11    12.70
1988.5  47350.4  -145.54    -7.32    11.33
1989.0  47533.0  -144.87    -6.27    10.41
1989.5  47715.7  -140.24    13.97     9.51
1990.0  47898.3  -139.20    11.60     9.07
1990.5  48080.9  -130.92    18.87     8.70
1991.0  48263.5  -124.46    24.63     7.58
1991.5  48446.2  -119.63    26.09     7.21
1992.0  48628.8  -114.45    29.51     6.88
1992.5  48811.4  -109.53    18.42     6.59
1993.0  48994.0  -107.19    24.21     6.27
1993.5  49176.7  -118.38    21.49     5.74
1994.0  49359.3  -113.17    24.73     5.51
1994.5  49541.9  -117.72    25.31     5.36
1995.0  49724.5  -113.30    20.60     5.21
1995.5  49907.2  -106.71    19.96     5.07
1996.0  50089.8   -98.86    13.73     4.97
1996.5  50272.4   -87.44     1.70     4.93
1997.0  50455.0   -79.42    -2.89     4.92
1997.5  50637.7   -70.26   -11.80     4.84
1998.0  50820.3   -42.97   -30.21     5.13
1998.5  51002.9   -35.70   -44.91     5.02
1999.0  51185.5   -28.97   -64.85     4.94
1999.5  51368.2    -8.62   -63.14     4.83
2000.0  51550.8    10.23   -64.57     4.64
2000.5  51733.4    37.33   -61.01     4.51
2001.0  51916.0    40.52   -62.58     4.44
2001.5  52098.7    58.17   -64.16     4.27
2002.0  52281.3    67.42   -52.81     4.33
2002.5  52463.9    83.09   -67.64     4.07
2003.0  52646.5    98.08   -53.40     4.06
2003.5  52829.2    96.96   -43.36     4.12
2004.0  53011.8   122.30   -32.60     4.09
2004.5  53194.4   121.71    -9.73     4.11
2005.0  53377.0   133.89     2.27     4.10
2005.5  53559.7   142.27    33.44     3.82
2006.0  53742.3   145.41    47.37     3.84
2006.5  53924.9   147.34    65.41     3.63
2007.0  54107.5   136.32    73.24     3.69
2007.5  54290.2   135.81    85.06     3.72
2008.0  54472.8   131.77   104.05     3.72
2008.5  54655.4   128.20   125.86     3.84
2009.0  54838.0   129.12   137.71     3.84
2009.5  55020.7   122.93   159.32     3.81
2010.0  55203.3   121.63   163.85     3.77
2010.5  55385.9   125.79   171.08     3.73
2011.0  55568.5   131.27   169.04     3.52
2011.5  55751.2   128.44   180.68     3.52
2012.0  55933.8   124.38   180.08     3.48
2012.5  56116.4   119.96   170.11     3.56
2013.0  56299.0   112.01   164.10     3.56
2013.5  56481.7   111.61   159.40     3.58
2014.0  56664.3   119.13   157.46     3.45
2014.5  56846.9   124.39   163.63     3.40
2015.0  57029.5   127.03   159.84     3.46
2015.5  57212.2   125.42   148.26     3.54
2016.0  57394.8   125.29   144.38     3.64
2016.5  57577.4   126.90   137.05     3.74
2017.0  57760.0   128.17   137.77     3.88
2017.5  57942.7   122.44   136.17     4.08
2018.0  58125.3   114.47   142.99     4.45