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Vines, Joshua Briegal, Juan Cabrera, Liam Raynard, Louise D. Nielsen, Maritza G. Soto, Matthew R. Burleigh, Maximiliano Moyano, Michael R. Goad, Oliver Turner, Peter J. Wheatley, Philipp Eigm\\\"uller, Richard G. West, Rosanna H. Tilbrook, Ruth Titz-Weider, Samuel Gill, Sarah L. Casewell, Simon R. Walker, St\\'ephane Udry, Szilard Csizmadia, Tom Louden","submitted_at":"2019-04-16T22:02:30Z","abstract_excerpt":"We report the discovery of a new ultra-short period hot Jupiter from the Next Generation Transit Survey. NGTS-6b orbits its star with a period of 21.17~h, and has a mass and radius of $1.330^{+0.024}_{-0.028}$\\mjup\\, and $1.271^{+0.197}_{-0.188}$\\rjup\\, respectively, returning a planetary bulk density of 0.711$^{+0.214}_{-0.136}$~g~cm$^{-3}$. Conforming to the currently known small population of ultra-short period hot Jupiters, the planet appears to orbit a metal-rich star ([Fe/H]$=+0.11\\pm0.09$~dex). 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