• Corpus ID: 249926548

Evaluating and Optimizing a Slitless Prism for Nancy Grace Roman Space Telescope SN Cosmology

@inproceedings{Rubin2022EvaluatingAO,
  title={Evaluating and Optimizing a Slitless Prism for Nancy Grace Roman Space Telescope SN Cosmology},
  author={David Rubin and Gregory S. Aldering and Tri L. Astraatmadja and C. Baltay and Aleksandar Cikota and Susana E. Deustua and Samantha Dixon and Andrew S. Fruchter and Llu{\'i}s Galbany and Rebekah Hounsell and Saul Perlmutter and Benjamin M. Rose},
  year={2022}
}
This work presents a set of studies addressing the use of the low-dispersion slitless prism on Roman for SN spectroscopy as part of the Roman High Latitude Time Domain Survey (HLTDS). We find SN spectral energy distributions including prism data carry more information than imaging alone at fixed total observing time, improving redshift measurements and sub-typing of SNe. The Roman field of view will typically include ∼ 10 SNe Ia at observable redshifts at a range of phases (the multiplexing of… 

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