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Table 2
Eight models used in this study and their associated parameters.
| Parameters | M3L34G6 | M3L34 | M3L12 | M3L23 | M3L34H | M3L34F | M3L34A | M3L34B | |||||
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| Mass ratio | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | |||||
| Halo1 core size | 11.8 | 11.8 | 11.8 | 11.8 | 20 | 11.8 | 11.8 | 11.8 | |||||
| Halo2 core size | 6.5 | 6.5 | 6.5 | 6.5 | 11 | 6.5 | 6.5 | 6.5 | |||||
| Stellar disc1 scalelength | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | |||||
| Stellar disc2 scalelength | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | 3.5 | |||||
| Gal1 incx | –147 | –150 | –130 | –140 | –150 | –150 | –145 | –155 | |||||
| Gal1 incz | –175 | –180 | 30 | –70 | –180 | –180 | –170 | –180 | |||||
| Gal2 incy | –30 | –30 | –30 | –30 | –30 | –30 | –30 | –30 | |||||
| Gal2 incz | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||
| Gal1 gas fraction | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | |||||
| Gal2 gas fraction | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | |||||
| rperi | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | |||||
| Eccentricity | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | 0.9 | |||||
| Feedback | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | |||||
| Nparticle | 2.21M | 2.21M | 180k | 630k | 630k | 1.26M | 2.21M | 1.26M | |||||
| mdm:mstar:mgas | 4:1:1 | 4:1:1 | 4:1:1 | 4:1:1 | 4:1:1 | 4:1:1 | 4:1:1 | 4:1:1 | |||||
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| Observed time (Gyr) | 8.0 | 8.6 | 5.6 | 7.3 | 8.6 | 8.6 | 8.6 | 8.6 | |||||
| disc scalelength (kpc) | 4.38 | 4.52 | 3.58 | 3.93 | 4.22 | 5.24 | 4.76 | 4.36 | |||||
| Bulge sersic index (n) | 1.2 | 1.4 | 0.9 | 1.0 | 1.6 | 1.7 | 1.4 | 1.4 | |||||
| Re of bulge (kpc) | 0.98 | 1.22 | 1.05 | 1.32 | 0.97 | 0.37 | 1.19 | 1.11 | |||||
| B/T (fitted) | 19% | 23% | 14% | 19% | 23% | 15% | 25% | 25% | |||||
| Final gas fraction | 32% | 41% | 53% | 46% | 43% | 16% | 42% | 43% | |||||
Notes. The parameters above the bar describe the progenitors, while those below it describe the merger remnant.
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