Convective cells in Betelgeuse: imaging through spectropolarimetry
Convective cells in Betelgeuse: imaging through spectropolarimetry
We assess the ability to image the photosphere of red supergiants and, in particular Betelgeuse, through the modelling of the observed linear polarization in atomic spectral lines. We also aim to analyse the resulting images over time, to measure the size and dynamics of the convective structures in these stars. …