%           mjd      real      imag     sigma  (all in microas)
1979.6  44090.0   -220.92   -253.44     81.77
1980.6  44455.2   -262.13   -248.91     58.13
1981.6  44820.5    -90.55    -92.70     34.67
1982.6  45185.7   -182.38   -115.11     23.60
1983.6  45551.0   -261.69   -195.31     19.10
1984.6  45916.2   -265.95   -181.85     15.47
1985.6  46281.5   -271.05   -147.46     13.09
1986.6  46646.7   -241.63   -147.70     10.63
1987.6  47012.0   -215.01    -85.30      9.01
1988.6  47377.2   -189.03    -39.24      7.67
1989.6  47742.5   -160.22    -12.49      6.55
1990.6  48107.7   -142.32      3.41      5.24
1991.6  48473.0   -128.25      5.67      4.53
1992.6  48838.2   -117.73      2.96      4.17
1993.6  49203.5   -119.68     10.84      3.82
1994.6  49568.7   -116.40     16.72      3.75
1995.6  49934.0   -106.69     13.11      3.65
1996.6  50299.2    -92.02      1.93      3.67
1997.6  50664.5    -70.11    -11.38      3.89
1998.6  51029.7    -41.41    -41.79      4.29
1999.6  51395.0    -10.03    -55.36      4.26
2000.6  51760.2     32.61    -57.13      4.00
2001.6  52125.5     56.57    -61.99      3.76
2002.6  52490.7     88.41    -56.89      3.65
2003.6  52856.0    110.30    -39.80      3.64
2004.6  53221.2    130.74     -7.32      3.60
2005.6  53586.5    143.98     36.91      3.37
2006.6  53951.7    143.89     67.31      3.26
2007.6  54317.0    133.24     93.39      3.40
2008.6  54682.2    123.85    149.41      3.61
2009.6  55047.5    121.27    185.53      3.38
2010.6  55412.7    128.47    195.00      3.26
2011.6  55778.0    129.46    194.50      2.89
2012.6  56143.2    116.38    177.53      2.82
2013.6  56508.5    112.87    166.02      2.80
2014.6  56873.7    123.57    172.57      2.62
2015.6  57239.0    132.72    168.24      2.56
2016.6  57604.2    131.48    155.94      2.49
2017.6  57969.5    116.19    137.48      2.68
2018.6  58334.7     87.28    123.11      3.00
2019.6  58700.0     71.81    111.51      3.27
2020.6  59065.2     64.92    103.68      3.38
2021.6  59430.5     52.66     74.32      3.48
2022.6  59795.7     23.99     38.68      3.26
2023.6  60161.0     13.13     25.91      3.21
2024.6  60526.2      2.84     25.00      3.26
2025.6  60891.5     -0.71     24.80      3.53