Table 1
Astrometric measurements of HD 102077.
| Date | PA [°] | ρ [′′] | Ref. | ||
|
|
|||||
| 1929.065 | 348.9 | ± 5.0 | 0.24 | ± 0.1 | Ro |
| 1949.529 | 270.0 | ± 5.0 | 0.17 | ± 0.1 | Ro |
| 1964.32 | 60.5 | ± 5.0 | 0.19 | ± 0.1 | Ho |
| 1976.125 | 164.4 | ± 5.0 | 0.14 | ± 0.1 | Wo |
| 1980.231 | 243.5 | ± 5.0 | 0.14 | ± 0.1 | Wo |
| 1983.168 | 264.6 | ± 5.0 | 0.19 | ± 0.1 | Wo |
| 1985.34 | 278.5 | ± 5.0 | 0.33 | ± 0.1 | He |
| 1989.3059 | 298.7 | ± 0.2 | 0.416 | ± 0.003 | Mc |
| 1990.3462 | 302.9 | ± 0.2 | 0.42 | ± 0.003 | Ha |
| 1991.25 | 306 | ± 1.0 | 0.43 | ± 0.006 | Hi |
| 1994.504 | 320.2 | ± 0.7 | 0.418 | ± 0.004 | * |
| 2001.0825 | 352.9 a | ± 0.7 | 0.335 | ± 0.004 | Ma |
| 2009.2598 | 115.5 | ± 0.3 | 0.1795 | ± 0.001 | To |
| 2010.08 | 135.9 | ± 0.5 | 0.183 | ± 0.003 | * |
| 2011.0373 | 157.3 a | ± 0.2 | 0.1874 | ± 0.002 | Hk |
| 2012.011 | 177.3 | ± 0.5 | 0.196 | ± 0.003 | * |
| 2013.3042 | 202.9 | ± 0.7 | 0.21 | ± 0.003 | * |
Reference. Ro: Rossiter (1955), Ho: Holden (1965), Wo: Worley (1978), He: Heintz (1986), Mc: McAlister et al. (1990), Ha: Hartkopf et al. (1993), Hi: ESA (1997), Ma: Mason et al. (2011), To: Tokovinin et al. (2010), Hk: Hartkopf et al. (2012), *: this work,
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