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
1984.00 |
.2524E+01 |
.3541E+01 |
-.5190E+01 |
.1003E+02 |
1 |
12 |
0. |
1538+149 |
1987.00 |
-.1908E+01 |
.2049E+01 |
-.1768E+01 |
.2626E+01 |
1 |
7 |
0. |
1538+149 |
1989.00 |
-.1720E+00 |
.3134E-01 |
-.1731E+00 |
.3567E-01 |
2 |
22 |
0. |
1538+149 |
1990.00 |
-.4226E+00 |
.2968E+00 |
-.4582E+00 |
.5415E+00 |
2 |
27 |
0. |
1538+149 |
1991.00 |
-.1181E+00 |
.1466E+00 |
.1023E+01 |
.6055E+00 |
4 |
11 |
0. |
1538+149 |
1992.00 |
-.1680E+00 |
.2594E+00 |
.5299E+00 |
.4852E+00 |
9 |
33 |
0. |
1538+149 |
1993.00 |
.5036E-01 |
.7331E-01 |
-.3663E+00 |
.3685E+00 |
9 |
42 |
0. |
1538+149 |
1995.00 |
-.3976E+00 |
.1061E+00 |
-.4767E+00 |
.1079E+00 |
3 |
39 |
0. |
1538+149 |
1997.00 |
.1609E-01 |
.5000E+00 |
.2739E+00 |
.5000E+00 |
1 |
147 |
0. |
1538+149 |
1999.00 |
.5125E+00 |
.5000E+00 |
-.5737E+00 |
.9782E+00 |
1 |
27 |
0. |
1538+149 |
2000.00 |
.7744E-01 |
.5000E+00 |
.3759E+00 |
.5000E+00 |
1 |
97 |
0. |
1538+149 |