%           mjd     real     imag    sigma  (all in microas)
1979.6  44090.0   -143.91   -140.00    103.81
1980.1  44272.6   -144.82   -107.86     87.59
1980.6  44455.2   -173.66   -164.83     76.83
1981.1  44637.9    -48.74    -79.78     56.89
1981.6  44820.5    -72.85    -66.52     39.83
1982.1  45003.1   -155.64   -117.47     30.21
1982.6  45185.7   -193.44   -105.51     25.68
1983.1  45368.4   -264.83   -203.95     21.95
1983.6  45551.0   -268.83   -187.91     20.01
1984.1  45733.6   -285.17   -200.10     17.22
1984.6  45916.2   -270.02   -178.57     16.01
1985.1  46098.9   -266.83   -147.32     14.56
1985.6  46281.5   -265.06   -145.34     13.38
1986.1  46464.1   -246.14   -140.42     12.26
1986.6  46646.7   -226.20   -134.57     10.80
1987.1  46829.4   -202.80    -92.70      9.68
1987.6  47012.0   -206.58    -83.39      9.04
1988.1  47194.6   -188.23    -68.42      8.43
1988.6  47377.2   -185.32    -42.66      7.70
1989.1  47559.9   -161.90    -27.80      7.15
1989.6  47742.5   -160.59    -12.27      6.65
1990.1  47925.1   -149.37     -0.28      6.19
1990.6  48107.7   -142.24      3.69      5.40
1991.1  48290.4   -136.56      4.45      5.09
1991.6  48473.0   -127.93      7.54      4.70
1992.1  48655.6   -124.71     14.83      4.56
1992.6  48838.2   -117.03      4.29      4.37
1993.1  49020.9   -115.17     13.41      4.21
1993.6  49203.5   -116.91     12.54      3.99
1994.1  49386.1   -117.76     17.56      3.94
1994.6  49568.7   -116.21     18.23      3.85
1995.1  49751.4   -109.64     16.02      3.82
1995.6  49934.0   -105.90     15.86      3.74
1996.1  50116.6    -99.73     12.99      3.69
1996.6  50299.2    -90.05      4.62      3.73
1997.1  50481.9    -81.74     -0.18      3.72
1997.6  50664.5    -67.24    -10.40      3.92
1998.1  50847.1    -43.44    -27.87      4.24
1998.6  51029.7    -35.48    -43.61      4.34
1999.1  51212.4    -23.35    -57.82      4.34
1999.6  51395.0     -4.57    -55.72      4.28
2000.1  51577.6     14.09    -60.79      4.19
2000.6  51760.2     32.48    -57.35      4.04
2001.1  51942.9     39.15    -62.48      3.87
2001.6  52125.5     55.29    -60.98      3.81
2002.1  52308.1     61.78    -53.05      3.86
2002.6  52490.7     85.00    -59.66      3.68
2003.1  52673.4     93.54    -50.67      3.70
2003.6  52856.0    104.62    -44.45      3.65
2004.1  53038.6    120.59    -27.59      3.66
2004.6  53221.2    124.49    -14.74      3.62
2005.1  53403.9    134.03      2.72      3.57
2005.6  53586.5    137.27     32.72      3.43
2006.1  53769.1    141.52     47.40      3.41
2006.6  53951.7    137.71     63.53      3.25
2007.1  54134.4    132.44     73.37      3.36
2007.6  54317.0    126.59     90.23      3.44
2008.1  54499.6    126.27    108.67      3.52
2008.6  54682.2    118.98    144.79      3.76
2009.1  54864.9    120.44    156.12      3.73
2009.6  55047.5    116.32    181.45      3.53
2010.1  55230.1    115.03    183.51      3.46
2010.6  55412.7    124.11    191.23      3.41
2011.1  55595.4    125.93    184.88      3.20
2011.6  55778.0    127.66    191.02      3.14
2012.1  55960.6    125.00    194.39      2.98
2012.6  56143.2    117.21    172.62      3.10
2013.1  56325.9    115.46    169.98      3.09
2013.6  56508.5    114.01    163.55      3.09
2014.1  56691.1    123.90    161.48      2.97
2014.6  56873.7    124.57    168.93      2.91
2015.1  57056.4    124.64    164.38      2.80
2015.6  57239.0    131.80    159.92      2.85
2016.1  57421.6    127.36    155.29      2.82
2016.6  57604.2    130.82    147.89      2.80
2017.1  57786.9    130.14    147.98      2.90
2017.6  57969.5    126.16    146.11      3.00
2018.1  58152.1    116.81    155.64      3.05
2018.6  58334.7    116.14    150.74      3.16
2019.1  58517.4    117.46    153.89      3.36
2019.6  58700.0    118.39    164.81      3.54