The Carnegie Hubble Program: The Distance and Structure of the SMC as Revealed by Mid-infrared Observations of Cepheids

Victoria Scowcroft, Wendy L. Freedman, Barry F. Madore +5

Using Spitzer observations of classical Cepheids we have measured the true average distance modulus of the SMC to be $18.96\pm 0.01_{stat}\pm 0.03_{sys}$ mag (corresponding to $6…