First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: Constraints on Cosmological Parameters

  title={First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: Constraints on Cosmological Parameters},
  author={Timothy M. C. Abbott and Sahar Allam and P. Andersen and C R Angus and Jacobo Asorey and A. Avelino and Santiago {\'A}vila and Bruce A. Bassett and K. Bechtol and Gary M. Bernstein and Etienne Bertin and D. Brooks and Dillon Brout and P. Brown and D. L. Burke and J. Calcino and Aurelio Carnero Rosell and Daniela Carollo and M. Carrasco Kind and Jorge Carretero and Rigoberto A. Casas and Francisco J. Castander and R. Cawthon and P. Challis and M. Childress and A. Clocchiatti and C. E. Cunha and Chris D'Andrea and L. N. da Costa and C. Davis and T. M. Davis and Juan de Vicente and Darren Lee Depoy and S. Desai and H. T. Diehl and Peter Doel and Alex Drlica-Wagner and T. F. Eifler and August E. Evrard and E. Fernandez and Alexei V. Filippenko and D. A. Finley and B. Flaugher and R. J. Foley and Pablo Fosalba and J. Frieman and Llu{\'i}s Galbany and Juan Garc{\'i}a-Bellido and E. Gaztanaga and T. Giannantonio and K. Glazebrook and D. A. Goldstein and S. Gonz{\'a}lez-Gait{\'a}n and Daniel Gruen and R. A. Gruendl and Julia Gschwend and R. R. Gupta and G. Gutierrez and William G. Hartley and Samuel R. Hinton and Devon L. Hollowood and Klaus Honscheid and J. K. Hoormann and Ben Hoyle and D. J. James and T. Jeltema and M. W. G. Johnson and M. D. Johnson and Eli Kunwiji Kasai and S. Kent and Richard Kessler and A. G. Kim and R. P. Kirshner and E. Kovacs and E. Krause and Richard G. Kron and Kyler W. Kuehn and S. Kuhlmann and N. Kuropatkin and O. Lahav and J Lasker and G. F. Lewis and T. S. Li and Chris Lidman and M. Lima and H. Lin and E. Macaulay and M. A. G. Maia and Kaisey S. Mandel and M March and J. Marriner and J. L. Marshall and Paul Martini and Felipe Menanteau and C. J. Miller and Ramon Miquel and V. Miranda and Joseph J. Mohr and E. Morganson and Daniel Muthukrishna and Anais M{\"o}ller and E. Neilsen and Robert Nichol and B. Nord and Peter E. Nugent and R. L. C. Ogando and Antonella Palmese and Y.-C. Pan and Andreas Alejandro Plazas and M. Pursiainen and A. K. Romer and Aaron Roodman and E. Rozo and E. S. Rykoff and Masao Sako and E. Sanchez and Victor E. Scarpine and Rafe H. Schindler and Michael S. Schubnell and Dan Scolnic and S. Serrano and I. Sevilla-Noarbe and Rob Sharp and M. Smith and Marcelle Soares-Santos and Flavia Sobreira and N. E. Sommer and Harold M Spinka and Eric Suchyta and M. Sullivan and E. Swann and Gregory G. Tarl{\'e} and D. Thomas and R. C. Thomas and M. A. Troxel and Brad E. Tucker and S. A. Uddin and A. R. Walker and W. Wester and P Wiseman and R. C. Wolf and B. Yanny and B. Zhang and Y. Zhang},
  journal={The Astrophysical Journal},
  • T. Abbott, S. Allam, +141 authors Y. Zhang
  • Published 2019
  • Physics
  • The Astrophysical Journal
We present the first cosmological parameter constraints using measurements of type Ia supernovae (SNe Ia) from the Dark Energy Survey Supernova Program (DES-SN). The analysis uses a subsample of 207 spectroscopically confirmed SNe Ia from the first three years of DES-SN, combined with a low-redshift sample of 122 SNe from the literature. Our "DES-SN3YR" result from these 329 SNe Ia is based on a series of companion analyses and improvements covering SN Ia discovery, spectroscopic selection… Expand

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