The Discovery and Origin of A Very-High Velocity Cloud Toward M33

Y. Zheng, J. K. Werk, J. E. G. Peek +1

We report the detection of a largely ionized very-high velocity cloud (VHVC; $v_{\mathrm{LSR}}\sim -350$ km/s) toward M33 with the Hubble Space Telescope/Cosmic Origin Spectrograph. The…