Detections of Ro-Vibrational H${}_2$ Emission from the Disks of T Tauri Stars

J. S. Bary, D. A. Weintraub, J. H. Kastner

We report the detection of quiescent H_2 emission in the v=1-0 S(1) line at 2.12183 um in the circumstellar environment of two classical T Tauri stars, GG Tau A and LkCa 15, in hig…