Outflows in the Seyfert 2 galaxy NGC 5643 traced by the [S III] emission

We use Gemini Multi-Object Spectrograph integral Field Unit observations of the inner 285 × 400 pc² region of the Seyfert 2 galaxy NGC 5643 to map the [S III]λ9069 emission line flux distribution and kinematics, as well as the stellar kinematics, derived by fitting the Ca IIλλλ8498,8542,8662 triplet, at a spatial resolution of 45 pc. The stellar velocity field shows regular rotation, with a projected velocity of 100 km s^-1 and kinematic major axis along a position angle of -36°. A ring of low stellar velocity dispersion values (∼70 km s^-1), attributed to young/intermediate age stellar populations, is seen surrounding the nucleus with a radius of 50 pc. We found that the [S III] flux distribution shows an elongated structure along the east-west direction and its kinematics is dominated by outflows within a bi-cone at an ionised gas outflow rate of 0.3 M_⊙ yr^-1. In addition, velocity slices across the [S III]λ9069 emission line reveal a kinematic component attributed to rotation of gas in the plane of the galaxy.