Hubble Space Telescope Observations of Field Ultracool Dwarfs at High Galactic Latitude

R. E. Ryan, P. A. Thorman, H. Yan +8

We present a sample of 17 newly discovered ultracool dwarf candidates later than ~M8, drawn from 231.90 arcmin2 of {\it Hubble Space Telescope} Wide Field Camera 3 infrared imaging…