Table 1.
Derived properties of the equilibrium state for the different models.
| teq |  |
 |
 |
 |
Description | |
|---|---|---|---|---|---|---|
| (103 yr) | (108 K) | (eV) | (1033 erg s−1) | (1033 erg s−1) | ||
| 1 | 9.7 | 1.109 | 107 | 3.90 | 44.0 | Basic |
| 2 | 42.0 | 0.770 | 86 | 1.59 | 3.1 | trec * 10 |
| 3 | 112.7 | 0.526 | 73 | 0.82 | 0.2 | fa = 0.02 |
| 4 | 40.2 | 0.773 | 87 | 1.67 | 3.2 | fa = 0.1 |
| 5 | 14.1 | 1.002 | 100 | 2.98 | 21.2 | fa = 0.5 |
| 6 | 6.1 | 1.222 | 117 | 5.57 | 89.0 | fa = 2.0 |
| 7 | 13.0 | 1.026 | 99 | 2.78 | 25.2 | No shallow heating (Qsh = 0) |
| 8 | 16.8 | 0.972 | 102 | 3.12 | 17.0 | No deep crustal heating (Qdch = 0) |
| 9 | 10.1 | 1.098 | 106 | 3.73 | 41.0 | ρsh = (2–10) × 108 g cm−3 |
| 10 | 9.4 | 1.115 | 107 | 3.88 | 45.8 | ρsh = (1–5) × 1010 g cm−3 |
| 11 | 6.1 | 1.213 | 122 | 6.49 | 84.5 | Qsh = 5.0 MeV nucleon−1 |
| 12 | 4.3 | 1.275 | 111 | 3.86 | 48.8 | M = 1.2 M⊙ |
| 13 | 16.2 | 1.007 | 106 | 4.23 | 37.9 | M = 2.0 M⊙ (minimal cooling paradigm) |
| 14 | 8.8 | 1.117 | 90 | 1.90 | 46.6 | yL = 106 g cm−2 |
| 15 | 9.9 | 1.096 | 121 | 6.32 | 40.5 | yL = 1011 g cm−2 |
| 16 | 9.8 | 1.104 | 114 | 4.93 | 42.6 | Qimp = 30 |
| 17 | 9.9 | 1.094 | 125 | 7.06 | 40.0 | Qimp = 100 |
| 18 | 9.1 | 1.108 | 108 | 4.00 | 43.9 | Qimp, p = 30 |
| 19 | 9.2 | 1.107 | 110 | 4.28 | 43.6 | Qimp, p = 100 |
| 20 | 10.1 | 1.108 | 107 | 3.90 | 44.0 | Neutron 1S0 gap model “CCDK” |
| 21 | 10.5 | 1.108 | 107 | 3.90 | 44.1 | No neutron 1S0 pairing |
| 22 | 11.4 | 1.837 | 129 | 8.08 | 39.4 | Neutron 3P2 gap model “c” |
| 23 | 37.6 | 1.732 | 126 | 7.47 | 40.2 | No neutron 3P2 pairing |
| 24 | 7.2 | 1.109 | 107 | 3.90 | 44.0 | Proton 1S0 gap model “CCDK” |
| 25 | 10.4 | 1.109 | 107 | 3.90 | 44.0 | No proton 1S0 pairing |
| 26 | 0.3 | 0.194 | 49 | 0.19 | 41.4 | M = 2.0 M⊙ with dUrca |
Notes. In the presented models a sequence of 24 outbursts is repeated. To eliminate the variation in the temperatures and luminosities due to the oscillation around the equilibrium state over the outbursts cycles in the sequence, in each model the parameter values are tracked at the last time step in quiescence at the end of the full sequence (24 outbursts). The equilibrium temperature is defined as the time when the core temperature reaches 99.9% of the maximum core temperature (from the core temperatures at the tracked times).
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