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Measurements of the Cosmological Parameters Ω and Λ from the First Seven Supernovae atz≥ 0.35
Measurements of the Cosmological Parameters Ω and Λ from the First Seven Supernovae atz≥ 0.35
- Source :
- The Astrophysical Journal. 483:565-581
- Publication Year :
- 1997
- Publisher :
- American Astronomical Society, 1997.
-
Abstract
- We have developed a technique to systematically discover and study high-redshift supernovae that can be used to measure the cosmological parameters. We report here results based on the initial seven of >28 supernovae discovered to date in the high-redshift supernova search of the Supernova Cosmology Project. We find a dispersion in peak magnitudes of sigma_{M_B} = 0.27 this dispersion narrows to sigma_{M_B,corr} = 0.19 after "correcting" the magnitudes using the light-curve "width-luminosity" relation found for nearby (z
- Subjects :
- Physics
Deceleration parameter
010308 nuclear & particles physics
Astronomy and Astrophysics
Astrophysics::Cosmology and Extragalactic Astrophysics
Cosmological constant
Astrophysics
Type (model theory)
Lambda
01 natural sciences
Omega
Redshift
symbols.namesake
Space and Planetary Science
0103 physical sciences
symbols
Astrophysics::Solar and Stellar Astrophysics
High Energy Physics::Experiment
Supernova Legacy Survey
010303 astronomy & astrophysics
Astrophysics::Galaxy Astrophysics
Hubble's law
Subjects
Details
- ISSN :
- 15384357 and 0004637X
- Volume :
- 483
- Database :
- OpenAIRE
- Journal :
- The Astrophysical Journal
- Accession number :
- edsair.doi...........265e18082f3b7c534ad554dca81fcd07
- Full Text :
- https://doi.org/10.1086/304265