MUSTANG is a 90 GHz bolometer camera built for use as a facility instrumenton the 100 m Robert C. Byrd Green Bank radio telescope (GBT). MUSTANG has an 8by 8 focal plane array of transition edge sensor bolometers read out usingtime-domain multiplexed SQUID electronics. As a continuum instrument on a largesingle dish MUSTANG has a combination of high resolution (8") and goodsensitivity to extended emission which make it very competitive for a widerange of galactic and extragalactic science. Commissioning finished in January2008 and some of the first science data have been collected.
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