ESpRESSO: Modelling realistic crowded scenes for deep Roman Space Telescope grism spectroscopy
Austen Gabrielpillai·Anton M Koekemoer·Guangjun Gao·M. Singha·J. E. Rhoads·Sangeeta Malhotra·Isak Wold
Abstract We describe the software package ESpRESSO - [E]xtragalactic [Sp]ectroscopic [R]oman [E]mulator and [S]imulator of [S]ynthetic [O]bjects, created to emulate the slitless spectroscopic observing modes of the Nancy Grace Roman Space Telescope (Roman) Wide Field Instrument (WFI). We combine archival Hubble Space Telescope (HST) imaging data of comparable spatial resolution with model spectral energy distributions to create a data-cube of flux density as a function of position and wavelength