Table 4
Velocity of the shell at the radius rs derived from the measurement of the simulated data 2.2 Gyr after the decay of the cannibalized galaxy.
| rs | vs,model | Ndata |
|
vs,sim | vs,eq(19) |
|
v s,eq(22) − slope |
|
v s,fit |
| kpc | km s-1 | km s-1 | km s-1 | km s-1 | km s-1 | km s-1 | km s-1 | ||
|
|
|||||||||
| 48.8 | 38.7 | 5 | 4 | 38.7 ± 2.1 | 50.7 ± 2.3 | 51.7 ± 1.1 | 44.2 ± 6.5 | 44.9 ± 6.3 | 53 ± 16 |
| − 70.6 | 54.3 | 7 | 5 | 59.8 ± 1.6 | 60.8 ± 9.8 | 65.6 ± 2.0 | 60.7 ± 10.8 | 66.0 ± 2.9 | 66 ± 19 |
| 105.0 | 63.5 | 11 | 8 | 68.1 ± 1.9 | 74.8 ± 4.6 | 76.5 ± 1.4 | 68.0 ± 8.9 | 71.3 ± 2.5 | 79 ± 9 |
| − 157.8 | 72.4 | 15 | 10 | 74.3 ± 1.2 | 84.4 ± 5.4 | 86.7 ± 2.0 | 78.7 ± 10.5 | 82. ± 3.5 | 85 ± 14 |
Notes. rs, vs,model, and vs,sim have the same meaning as in Table 2. Ndata: number of measurements for each shell; vs,eq(19): the mean of values derived from the approximative maximal LOS velocities given by Eq. (19) with its mean square deviation; vs,eq(22) − slope: the mean of values derived from the hybrid relation given by Eq. (22) with its mean square deviation (see also Fig. 15); vs,fit: a value derived by fitting a pair of vc and vs in the approximative LOSVD given by Eq. (15) (Sect. 5, point 2 and Fig. 13). The quantities with the superscript SS correspond to the subsample, where only measurements with two discernible inner peaks in the LOSVD are used.
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