Improved cosmological constraints from a joint analysis of the SDSS-II and SNLS supernova samples
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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.
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The record
- Venue
- Astronomy and Astrophysics
- Topic
- Gamma-ray bursts and supernovae
- Field
- Physics and Astronomy
- Canadian institutions
- University of VictoriaUniversity of Toronto
- Funders
- Max-Planck-Institut für AstronomieUniversidad Nacional Autónoma de MéxicoCentre National de la Recherche ScientifiqueRoyal SocietyMax-Planck-GesellschaftGeorg-August-Universität GöttingenChinese Academy of SciencesNational Aeronautics and Space AdministrationDanmarks GrundforskningsfondUniversity of PittsburghUniversity of CambridgeNational Astronomical Observatory of JapanNew Mexico State UniversityUniversity of PortsmouthOhio State UniversityUniversity of Texas at AustinPennsylvania State UniversityLos Alamos National LaboratoryAlfred P. Sloan FoundationUniversity of WashingtonPrinceton UniversityJohns Hopkins UniversityInstitut National de Physique Nucléaire et de Physique des ParticulesScience and Technology Facilities CouncilUniversität BaselDrexel UniversityUniversity of ChicagoU.S. Naval ObservatoryVetenskapsrådetU.S. Department of EnergyFermilabNational Science FoundationCase Western Reserve University
- Keywords
- PhysicsAstrophysicsSupernovaCosmologyCosmological modelAstronomy
- Has abstract in OpenAlex
- yes