TOI-2109b: An Ultrahot Gas Giant on a 16 hr Orbit

Ian Wong, Avi Shporer, George Zhou +56

We report the discovery of an ultrahot Jupiter with an extremely short orbital period of $0.67247414\pm 0.00000028$ days ($\sim$16 hr). The $1.347\pm 0.047$ $R_{\mathrm{Jup}}$ plane…