Table 2
Gas parameters including the shock velocity Vs, the Mach number M, the gas temperature, and the gas number density in the dust formation zone of IK Tau as a function of radius r.
| Preshock | Shock front | Post-shock φ = 0. | ||||||
| r | Vs | M | n0 | T0 | ns | Ts | ne | Te |
|
|
||||||||
| 1.0 | 32.0 | 9.8 | 3.6(14) | 2200 | 2.1(15) | 42824 | 1.2(16) | 6295 |
| 1.5 | 26.1 | 9.0 | 7.8(12) | 1725 | 4.4(13) | 28793 | 2.2(15) | 4741 |
| 2.0 | 22.6 | 8.5 | 7.2(11) | 1451 | 4.1(12) | 21712 | 1.9(14) | 3858 |
| 2.5 | 20.2 | 8.1 | 1.4(11) | 1270 | 7.7(11) | 17473 | 3.4(13) | 3277 |
| 3.0 | 18.5 | 7.8 | 3.9(10) | 1138 | 2.2(11) | 14638 | 9.4(12) | 2874 |
| 3.5 | 17.1 | 7.6 | 1.5(10) | 1037 | 8.1(10) | 12630 | 3.3(12) | 2568 |
| 4.0 | 16.0 | 7.4 | 6.5(9) | 958 | 3.6(10) | 11098 | 1.4(12) | 2340 |
| 5.0 | 14.3 | 7.1 | 1.9(9) | 838 | 1.0(10) | 8930 | 3.8(11) | 1997 |
| 6.0 | 13.1 | 6.8 | 7.2(8) | 751 | 3.9(9) | 7497 | 1.3(11) | 1748 |
| 7.0 | 12.1 | 6.6 | 3.4(8) | 684 | 1.8(9) | 6460 | 6.0(10) | 1574 |
| 8.0 | 11.3 | 6.4 | 1.8(8) | 632 | 9.9(8) | 5691 | 3.1(10) | 1419 |
| 9.0 | 10.7 | 6.3 | 1.1(8) | 589 | 5.9(8) | 5082 | 1.8(9) | 1307 |
| 10.0 | 10.1 | 6.2 | 7.1(7) | 553 | 3.8(8) | 4597 | 1.1(9) | 1209 |
Notes. Numbers in parenthensis give powers of 10. Radius r is in R⋆, shock velocity Vs in km s-1, temperatures T0,s,e in Kelvin, and gas number densities n0,s,e in cm-3.
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