Irregular hexahedral grains yield up to 60% higher infrared peak luminosities than spherical grains in nebula photoionization models, implying spherical models overestimate dust mass.
The shaded grey region indicates wavelengths where opacities were derived from TAMUdust2020 output data
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Photoionization modelling of circumstellar nebulae using irregular grains
Irregular hexahedral grains yield up to 60% higher infrared peak luminosities than spherical grains in nebula photoionization models, implying spherical models overestimate dust mass.