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Astronomy and Astrophysics· 2014Q1

Improved cosmological constraints from a joint analysis of the SDSS-II and SNLS supernova samples

M. Betoule, R. Keßler, J. Guy, J. Mosher et al.

Short summary

A joint analysis of SDSS-II and SNLS type Ia supernovae (740 total) yields improved cosmological constraints.

AI-generated from the title and abstract; the full text is not read.

Key points

  • Combines data from SDSS-II and SNLS collaborations for type Ia supernovae.
  • Includes 740 spectroscopically confirmed type Ia supernovae.
  • Dataset covers low-redshift samples (z<0.1), SDSS-II (0.05 <z<0.4), and SNLS (0.2 <z<1).

AI-generated from the title and abstract; the full text is not read.

Abstract

Aims. We present cosmological constraints from a joint analysis of type Ia supernova (SN Ia) observations obtained by the SDSS-II and SNLS collaborations. The dataset includes several low-redshift samples (z< 0.1), all three seasons from the SDSS-II (0.05 <z< 0.4), and three years from SNLS (0.2 <z< 1), and it totals 740 spectroscopically confirmed type Ia supernovae with high-quality light curves.

The authors' abstract, as published at the source. Astronomy and Astrophysics, 2014 · DOI ↗

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Field: Astronomy and Astrophysics

Astronomy and AstrophysicsPhysics and Astronomy