Interferometric Observations of Formaldehyde in the Protoplanetary Disk around LkCa15

Yuri Aikawa, Munetake Momose, Wing-Fai Thi +4

Emission from the $2_{12}-1_{11}$ line of H${}_2$CO has been detected and marginally resolved toward LkCa15 by the Nobeyama Millimeter Array. The column density of H${}_2$CO is higher…