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Fritz","submitted_at":"2018-04-11T17:33:58Z","abstract_excerpt":"We present a new measurement of the systemic proper motion of the Small Magellanic Cloud (SMC), based on an expanded set of 30 fields containing background quasars and spanning a $\\sim$3 year baseline, using the \\textit{Hubble Space Telescope} (\\textit{HST}) Wide Field Camera 3. Combining this data with our previous 5 \\textit{HST} fields, and an additional 8 measurements from the \\textit{Gaia}-Tycho Astrometric Solution Catalog, brings us to a total of 43 SMC fields. 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