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
1988.00 |
-.3697E+00 |
.1122E+01 |
.1640E+00 |
.1619E+01 |
2 |
26 |
0. |
2254+074 |
1989.00 |
-.6865E+00 |
.3291E+00 |
.4398E+00 |
.4422E+00 |
2 |
19 |
0. |
2254+074 |
1990.00 |
.3185E+00 |
.9591E-01 |
.5137E+00 |
.1435E+00 |
2 |
22 |
0. |
2254+074 |
1991.00 |
.2020E+01 |
.2340E+01 |
.2624E+01 |
.4033E+01 |
1 |
15 |
0. |
2254+074 |
1992.00 |
-.3566E+01 |
.3656E+01 |
-.2698E+01 |
.5663E+01 |
2 |
5 |
0. |
2254+074 |
1993.00 |
-.1749E+01 |
.2081E+01 |
-.1648E+01 |
.3910E+01 |
1 |
15 |
0. |
2254+074 |
1995.00 |
.7199E+00 |
.1364E+01 |
-.1463E+02 |
.9440E+01 |
1 |
4 |
0. |
2254+074 |
1997.00 |
.4200E+00 |
.5000E+00 |
.1337E+00 |
.5000E+00 |
1 |
95 |
0. |
2254+074 |
1998.00 |
-.8471E-01 |
.2345E+00 |
.9880E-01 |
.3748E+00 |
2 |
20 |
0. |
2254+074 |
1999.00 |
-.2506E+00 |
.2434E+00 |
-.3772E+00 |
.3799E+00 |
4 |
19 |
0. |
2254+074 |
2000.00 |
.1825E-01 |
.1441E+00 |
.2868E-01 |
.1438E+00 |
2 |
109 |
0. |
2254+074 |