External or internal companion exciting the spiral arms in CQ Tau?

Iain Hammond, Valentin Christiaens, Daniel J. Price +9

We present new high-contrast images in near-infrared wavelengths ($\lambda$ = 1.04, 1.24, 1.62, 2.18 and 3.78$\mu$m) of the young variable star CQ Tau, aiming to constrain the presence of…