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Table 1.
Coordinates available in BHAC.
| Identifier | Coordinates | Num. derivatives | Init. gμν |
|---|---|---|---|
| bl | Boyer-Lindquist | No | No |
| cart | Cartesian | No | No |
| cks | Cartesian Kerr-Schild (CKS) | Yes | Yes |
| cmks | Cylindrified modified Kerr-Schild | Yes | No |
| dleh | Non-rotating dilaton black hole (García et al. 1995) | No | No |
| ht | Hartle-Thorne (Hartle & Thorne 1968) | Yes | Yes |
| ks | Kerr-Schild | No | No |
| lrzks | Horizon penetrating Rezzolla & Zhidenko coordinates | Yes | Yes |
| mks | Modified Kerr-Schild (MKS, McKinney & Gammie 2004) | No | No |
| num | Numerical | Yes | Yes/No |
| rns | RNS (Stergioulas & Friedman 1995) | Yes | No |
| rz | Rezzolla & Zhidenko parametrization (Rezzolla & Zhidenko 2014) | Yes | No |
| sp | Spherical coordinates | No | No |
| ss | Schwarzschild coordinates | No | No |
Notes. The first column shows the identifier of the coordinates within the code, the second their name, the third whether the metric derivatives are calculated numerically, and the fourth whether they are initialised from the 4-metric gμν.
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