VLBI International Celestial Reference Frame (ICRF) (Ma+, 1997)
Right Ascension(J2000).Cos(Declination) mas
mas
Declination(J2000) mas
mas
Number of sessions
Number of observation
IERS designation
1989.00 |
-.1557E+00 |
.5669E+00 |
-.1583E+01 |
.4050E+01 |
1 |
3 |
0. |
0556+238 |
1990.00 |
-.9378E-01 |
.2552E+00 |
-.4551E-01 |
.1162E+01 |
2 |
7 |
0. |
0556+238 |
1991.00 |
-.1740E+00 |
.1852E+00 |
-.3430E+00 |
.8017E+00 |
5 |
12 |
0. |
0556+238 |
1992.00 |
.1594E+00 |
.2700E+00 |
-.1005E-02 |
.2476E+00 |
6 |
13 |
0. |
0556+238 |
1993.00 |
-.4414E+00 |
.5489E+00 |
.6402E+00 |
.4759E+00 |
3 |
7 |
0. |
0556+238 |
1995.00 |
-.4026E+00 |
.1696E+01 |
-.1695E+01 |
.2154E+01 |
1 |
5 |
0. |
0556+238 |
1996.00 |
.8270E-01 |
.7111E-01 |
.2159E+00 |
.7674E-01 |
15 |
379 |
0. |
0556+238 |
1997.00 |
.1132E+00 |
.4892E-01 |
.1819E+00 |
.5400E-01 |
31 |
1653 |
0. |
0556+238 |
1998.00 |
.1090E+00 |
.4267E-01 |
.1474E+00 |
.5429E-01 |
47 |
1782 |
0. |
0556+238 |
1999.00 |
-.1873E-01 |
.4965E-01 |
-.1614E+00 |
.6898E-01 |
46 |
571 |
0. |
0556+238 |
2000.00 |
-.1136E+00 |
.4855E-01 |
-.2181E+00 |
.6116E-01 |
26 |
365 |
0. |
0556+238 |
2001.00 |
-.7612E-01 |
.5376E-01 |
-.2212E+00 |
.6007E-01 |
34 |
522 |
0. |
0556+238 |
2002.00 |
-.2040E+00 |
.6866E-01 |
-.8539E-01 |
.8907E-01 |
28 |
221 |
0. |
0556+238 |