alternate_allowed_metadata.json

{"T_g": ["Gas Temperature", "K"],
 "T_d": ["Dust Temperature", "K"],
 "timestep": ["Simulation Timestep", "Myr"],
 "timestep_id": ["Simulation Timestep ID", "None"],
 "age": ["Age", "Myr"],
 "Z": ["Metallicity", "None"],
 "z": ["Redshift", "None"],
 "density": ["Density", "g/cm**3"]
}