sci14028a

Emission images of UY Aur around [Fe II] λ1.257 μm. The plus signs mark the stars, which are masked out and designated as “A” and “B” in the continuum image. Large tick marks correspond to measures of 1 arcsecond (equivalent to 140 Astronomical Units). The black filled circles at the bottom right corners show the spatial resolution (=0.12"). Credit: National Astronomical Observatory of Japan.