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We present a new publicly available tool (DustPol) aimed to model thepolarised thermal dust emission. The module DustPol, which is publiclyavailable, is part of the ARTIST (Adaptable Radiative Transfer Innovations forSubmillimetre Telescopes) package, which also offers tools for modelling thepolarisation of line emission together with a model library and a Python-baseduser interface. DustPol can easily manage analytical as well as pre-griddedmodels to generate synthetic maps of the Stokes I, Q, and U parameters. Thesemaps are stored in FITS format which is straightforwardly read by the datareduction software used, e.g., by the Atacama Large Millimeter Array (ALMA).This turns DustPol into a powerful engine for the prediction of the expectedpolarisation features of a source observed with ALMA or the Planck satellite aswell as for the interpretation of existing submillimetre observations obtainedwith other telescopes. DustPol allows the parameterisation of the maximumdegree of polarisation and we find that, in a prestellar core, if there isdepolarisation, this effect should happen at densities of 10^6 cm-3 or larger.We compare a model generated by DustPol with the observational polarisationdata of the low-mass Class 0 object NGC 1333 IRAS 4A, finding that the totaland the polarised emission are consistent.

Adaptable Radiative Transfer Innovations for Submillimetre Telescopes (ARTIST) - Dust polarisation module (DustPol)