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 |
-.1683E+00 |
.6909E-01 |
.4772E+00 |
.1160E+00 |
89 |
2632 |
0. |
1641+399 |
1985.00 |
.8903E-01 |
.3431E-01 |
.1864E+00 |
.4755E-01 |
117 |
5373 |
0. |
1641+399 |
1986.00 |
.4227E+00 |
.3739E-01 |
-.2975E-01 |
.5099E-01 |
137 |
6060 |
0. |
1641+399 |
1987.00 |
.1177E+00 |
.3432E-01 |
-.3864E-01 |
.4395E-01 |
157 |
7642 |
0. |
1641+399 |
1988.00 |
-.2980E+00 |
.3194E-01 |
.4938E-01 |
.3863E-01 |
159 |
7457 |
0. |
1641+399 |
1989.00 |
-.4611E+00 |
.7704E-01 |
-.4202E+00 |
.9415E-01 |
77 |
4313 |
0. |
1641+399 |
1990.00 |
-.6238E+00 |
.7760E-01 |
-.1564E+00 |
.7643E-01 |
66 |
1618 |
0. |
1641+399 |
1991.00 |
.5492E+00 |
.1320E+00 |
-.4653E+00 |
.3257E+00 |
34 |
253 |
0. |
1641+399 |
1992.00 |
.5121E+00 |
.1317E+00 |
.1004E+00 |
.1949E+00 |
53 |
839 |
0. |
1641+399 |
1993.00 |
.3009E+00 |
.9857E-01 |
-.2566E-01 |
.1354E+00 |
30 |
346 |
0. |
1641+399 |
1994.00 |
.5950E-01 |
.1242E+00 |
-.1008E+00 |
.2619E+00 |
6 |
26 |
0. |
1641+399 |
1995.00 |
.3403E+00 |
.2503E+00 |
.4665E+00 |
.3062E+00 |
6 |
114 |
0. |
1641+399 |
1996.00 |
.2194E+00 |
.4690E-01 |
.2959E+00 |
.4690E-01 |
2 |
974 |
0. |
1641+399 |
1997.00 |
.6639E+00 |
.5000E+00 |
.3509E+00 |
.5000E+00 |
1 |
190 |
0. |
1641+399 |
1998.00 |
.2311E+00 |
.5000E+00 |
.6570E-01 |
.5000E+00 |
1 |
1080 |
0. |
1641+399 |
1999.00 |
.9943E+00 |
.7607E+00 |
.8498E+00 |
.5642E+00 |
8 |
48 |
0. |
1641+399 |