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Table 1
Table of variable names.
| Variable | Variable description |
|
|
|
| γF | Inclination between disc midplane and binary orbit plane |
| D | Binary separation |
| ωB | Binary orbit frequency |
| ΩF | Precession frequency of the precessing frame and disc |
| Pd | Orbital period at 20 AU |
| Md | The disc mass used in a simulation |
|
Our nominal disc mass ( M⊙)
|
| h = H/R | Disc aspect ratio |
| α | Viscosity parameter |
| ρ | Gas density |
| si | Planetesimal physical radius |
|
Vectors and coordinate quantities in the precessing frame denoted with the “hat” symbol |
| X | Vectors and coordinate quantities in the fixed binary frame denoted without the “hat” symbol |
| a i | Semi-major axis of planetesimal i |
| e i | Eccentricity of planetesimal i |
| f i | True anomaly of planetesimal i |
| α i | Inclination angle between binary orbit plane and orbit plane of planetesimal i |
| ω i | Longitude of pericentre of planetesimal i (also referred to as the apsidal precession angle) |
| Ωi | Longitude of ascending node of planetesimal i (also referred to as the nodal precession angle) |
| δ i | Inclination of planetesimal i relative to the local disc |
| α d | Inclination of local disc annulus relative to the binary orbit plane |
| Ωd | Precession angle of local disc |
| α i | Inclination angle between binary orbit plane and orbit plane of planetesimal i |
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