Using Host Galaxy Photometric Redshifts to Improve Cosmological Constraints with Type Ia Supernovae in the LSST Era

We perform a rigorous cosmology analysis on simulated Type Ia supernovae (SNe Ia) and evaluate the improvement from including photometric host galaxy redshifts compared to using only the “ z _spec ” subset with spectroscopic redshifts from the host or SN. We use the Deep Drilling Fields (∼50 deg ^2...

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Detalhes bibliográficos

Principais autores:	Ayan Mitra, Richard Kessler, Surhud More, Renee Hlozek, The LSST Dark Energy Science Collaboration
Formato:	Artigo
Idioma:	Inglês
Publicado em:	IOP Publishing 2023-01-01
coleção:	The Astrophysical Journal
Assuntos:	Type Ia supernovae
Acesso em linha:	https://doi.org/10.3847/1538-4357/acb057
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