Table 5
Results of the kinematic investigation of HE 0437-5439.
| Run | Model I | Model II | Model III | |||||||||
| dp (kpc) | Tp (Myr) | vp (km s-1) | dp (kpc) | Tp (Myr) | vp (km s-1) | dp (kpc) | Tp (Myr) | vp (km s-1) | ||||
| | ||||||||||||
| #1a | 13.2 ± 4.5 | −22 ± 13 | 640 ± 70 | 13.2 ± 4.5 | −22 ± 13 | 640 ± 70 | 13.1 ± 4.4 | −22 ± 13 | 640 ± 70 | |||
| #1b | 15.6 ± 10.4 | −98 ± 15 | 690 ± 50 | 15.7 ± 10.3 | −98 ± 16 | 680 ± 50 | 14.8 ± 10.1 | −95 ± 14 | 730 ± 40 | |||
| #2 | 11.0 ± 4.5 | −23 ± 12 | 680 ± 80 | 10.9 ± 4.5 | −23 ± 12 | 680 ± 80 | 11.0 ± 4.5 | −23 ± 12 | 680 ± 80 | |||
| #3a | 7.5 ± 3.6 | −26 ± 11 | 680 ± 80 | 7.5 ± 3.7 | −26 ± 12 | 680 ± 80 | 7.6 ± 3.7 | −26 ± 12 | 680 ± 80 | |||
| #3b | 16.6 ± 8.6 | −95 ± 12 | 690 ± 30 | 17.0 ± 8.9 | −95 ± 12 | 690 ± 30 | 15.8 ± 8.5 | −93 ± 12 | 730 ± 20 | |||
Notes.dp is the distance, Tp the time, and vp the relative velocity at periastron of HE 0437-5439 with respect to the center of the LMC (runs #1a, #2, and #3a) or to the GC (runs #1b and #3b). Numbers are mean value ± standard deviation σ. The initial conditions of runs #1 are those of Brown et al. (2010). In runs #2 and #3a, Kroupa & Bastian’s (1997) LMC proper motions are used. In runs #3, proper motions of HE 0437-5439 are increased by their systematic errors (CTI correction, see text for details).
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