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Table 6.
Accretion rate estimates of the companion candidates.
Host galaxy | Source | vesc | tff1 | tff2 | Ṁ1 | Ṁ2 |
---|---|---|---|---|---|---|
[km s−1] | [107 yr] | [107 yr] | [M⊙ yr−1] | [M⊙ yr−1] | ||
NGC 0925 | 2 | 216.4 | 16 | 6 | 0.007 | 0.016 |
NGC 0925 | 4 | 132.9 | 69 | 51 | 0.02 | 0.02 |
NGC 1003 | 2 | 300.7 | 6 | 3 | 0.04 | 0.08 |
NGC 2541 | 1 | 79.1 | 227 | 198 | 0.02 | 0.02 |
NGC 3198 | 2 | 140.6 | 149 | 137 | 0.18 | 0.19 |
NGC 4258 | 3 | 353.7 | 10 | 2 | 0.01 | 0.04 |
NGC 4258 | 4 | 240.3 | 33 | 24 | 0.13 | 0.18 |
NGC 4258 | 6 | 329.7 | 13 | 8 | 0.28 | 0.45 |
NGC 4258 | 8 | 301.1 | 17 | 7 | 0.01 | 0.03 |
NGC 4258 | 10 | 501.2 | 3 | 1 | 0.02 | 0.06 |
NGC 4274 | 9 | 146.3 | 113 | 107 | 0.005 | 0.006 |
NGC 4274 | 10 | 159.5 | 87 | 81 | 0.008 | 0.008 |
NGC 4274 | 11 | 342.4 | 8 | 5 | 0.11 | 0.18 |
NGC 4414 | 2 | 341.9 | 19 | 8 | 0.02 | 0.05 |
NGC 4565 | 1 | 389.1 | 12 | 10 | 0.02 | 0.03 |
NGC 4565 | 3 | 434.6 | 8 | 4 | 0.02 | 0.04 |
NGC 4565 | 4 | 335.0 | 18 | 16 | 0.92 | 1.03 |
NGC 4565 | 5 | 529.1 | 4 | 3 | 0.82 | 1.30 |
NGC 4565 | 6 | 392.3 | 11 | 10 | 0.007 | 0.009 |
NGC 4565 | 7 | 393.6 | 11 | 6 | 0.02 | 0.03 |
NGC 5055 | 2 | 379.7 | 14 | 5 | 0.05 | 0.14 |
NGC 5055 | 4 | 300.1 | 29 | 19 | 0.29 | 0.44 |
Notes. The difference between Ṁ1 and Ṁ2 can be considered as an indication of the uncertainty on these upper limits.
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