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Table 1
BH spin terminal values.
| Capture function: | C | C | C | C1 | C2 | - | |
| model: | A | T | V | A | A | NR | |
|
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| thin disk | 0.9978 | 0.9978 | 0.9978 | 0.9981 | 0.9978 | → 1 | |
|
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| α = 0.01 | ṁ = 0.01 | 0.9966 | 0.9966 | 0.9966 | 0.9975 | 0.9966 | → 1 |
| ṁ = 0.1 | 0.9967 | 0.9967 | 0.9967 | → 1 | 0.9967 | → 1 | |
| ṁ = 1 | 0.9988 | 0.9988 | 0.9988 | → 1 | 0.9988 | 0.9998 | |
| ṁ = 10 | 0.9994 | 0.9994 | 0.9994 | → 1 | 0.9994 | 0.9996 | |
| ṁ = 100 | 0.9995 | 0.9995 | 0.9995 | → 1 | 0.9995 | 0.9995 | |
|
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| α = 0.1 | ṁ = 0.01 | 0.9966 | 0.9966 | 0.9966 | 0.9975 | 0.9966 | → 1 |
| ṁ = 0.1 | 0.9975 | 0.9975 | 0.9975 | → 1 | 0.9975 | → 1 | |
| ṁ = 1 | 0.9924 | 0.9924 | 0.9923 | → 1 | 0.9927 | 0.9948 | |
| ṁ = 10 | 0.9846 | 0.9846 | 0.9845 | 0.9901 | 0.9847 | 0.9951 | |
| ṁ = 100 | 0.9800 | 0.9800 | 0.9800 | 0.9803 | 0.9800 | 0.9801 | |
Notes. C – Thorne’s capture function, C1 – all returning photons advected onto the BH, C2 – all returning photons neglected; A – our fiducial model, T – emission from the equatorial plane, V – zero radial velocity, NR – pure accretion, radiation neglected.
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