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Update the units block written to the ICs by the SWIFT plugin to use the same constants as assumed internally by SWIFT.

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Matthieu Schaller 2021-02-28 19:01:52 +01:00
parent 408cefa1b3
commit 646968423c
1 changed files with 6 additions and 6 deletions
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12
src/plugins/output_swift.cc
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@ -98,13 +98,13 @@ public:
// create output HDF5 file
HDFCreateFile(this_fname_);
// Write UNITS header
// Write UNITS header using the physical constants assumed internally by SWIFT
HDFCreateGroup(this_fname_, "Units");
HDFWriteGroupAttribute(this_fname_, "Units", "Unit mass in cgs (U_M)", 1.98848e43); // 10^10 Msun in grams
HDFWriteGroupAttribute(this_fname_, "Units", "Unit length in cgs (U_L)", 3.08567758e24); // 1 Mpc in cm
HDFWriteGroupAttribute(this_fname_, "Units", "Unit time in cgs (U_t)", 3.08567758e19); // so that unit vel is 1 km/s
HDFWriteGroupAttribute(this_fname_, "Units", "Unit current in cgs (U_I)", 1.0); // 1 Ampere
HDFWriteGroupAttribute(this_fname_, "Units", "Unit temperature in cgs (U_T)", 1.0); // 1 Kelvin
HDFWriteGroupAttribute(this_fname_, "Units", "Unit mass in cgs (U_M)", 1.98841e43); // 10^10 Msun in grams
HDFWriteGroupAttribute(this_fname_, "Units", "Unit length in cgs (U_L)", 3.08567758149e24); // 1 Mpc in cm
HDFWriteGroupAttribute(this_fname_, "Units", "Unit time in cgs (U_t)", 3.08567758149e19); // so that unit vel is 1 km/s
HDFWriteGroupAttribute(this_fname_, "Units", "Unit current in cgs (U_I)", 1.0); // 1 Ampere
HDFWriteGroupAttribute(this_fname_, "Units", "Unit temperature in cgs (U_T)", 1.0); // 1 Kelvin
// Write MUSIC configuration header
HDFCreateGroup(this_fname_, "ICs_parameters");