Measurements of $\Omega$ and $\Lambda$ from 42 high redshift supernovae

@article{Perlmutter1998MeasurementsO,
  title={Measurements of \$\Omega\$ and \$\Lambda\$ from 42 high redshift supernovae},
  author={Saul Perlmutter and Greg Aldering and Gerson. Goldhaber and R. Knop and Peter E. Nugent and Patricia G. Castro and Susana E. Deustua and S{\'e}bastien Fabbro and Ariel Goobar and Donald E. Groom and Isobel M. Hook and A. G. Kim and M. Y. Kim and J. C. Lee and Nelson J. Nunes and R. Pain and Carlton R. Pennypacker and Robert M. Quimby and Christopher E. Lidman and Richard S. Ellis and Michael J. Irwin and Richard G. McMahon and Pilar Ruiz-Lapuente and Nicholas A. Walton and Bradley E. Schaefer and Brian J. Boyle and Alexei V. Filippenko and Thomas Matheson and A. S. Fruchter and Nino Panagia and Heidi Jo Newberg and Warrick J. Couch},
  journal={The Astrophysical Journal},
  year={1998},
  volume={517},
  pages={565-586}
}
We report measurements of the mass density, Omega_M, and cosmological-constant energy density, Omega_Lambda, of the universe based on the analysis of 42 Type Ia supernovae discovered by the Supernova Cosmology Project. The magnitude-redshift data for these SNe, at redshifts between 0.18 and 0.83, are fit jointly with a set of SNe from the Calan/Tololo Supernova Survey, at redshifts below 0.1, to yield values for the cosmological parameters. All SN peak magnitudes are standardized using a SN Ia… Expand
Cosmological Parameters From Supernovae Associated With Gamma-ray Bursts
We report estimates of the cosmological parameters $\Omega_m$ and $\Omega_{\Lambda}$ obtained using supernovae (SNe) associated with gamma-ray bursts (GRBs) at redshifts up to 0.606. EightExpand
Estimating the redshift error in supernova data analysis
Recent works have shown that small shifts in redshift -- gravitational redshift or systematic errors -- could potentially cause a significant bias in the estimation of cosmological parameters. I aimExpand
New measurements of $\Omega_m$ from gamma-ray bursts
Context: Data from cosmic microwave background radiation (CMB), baryon acoustic oscillations (BAO), and supernovae Ia (SNe-Ia) support a constant dark energy equation of state with $w_0 \sim -1$.Expand
Cosmological parameters from velocities, cosmic microwave background and supernovae
We compare and combine likelihood functions of the cosmological parameters Omega (m), h and sigma (8), from peculiar velocities, cosmic microwave background (CMB) and type la supernovae. These threeExpand
Angular distribution of cosmological parameters: measurement of inhomogeneities from type Ia supernovae
We measure the inhomogeneity of the large-scale structure and cosmic acceleration by measuring for the first time the angular distribution on the sky of the cosmological parameters that affect theExpand
Cosmic Data Fusion
We compare and combine likelihood functions of the cosmological parameters Omega_m, h and sigma_8 from the CMB, type Ia supernovae and from probes of large scale structure. We include the recentExpand
Cosmological Results from High-z Supernovae* **
The High-z Supernova Search Team has discovered and observed eight new supernovae in the redshift interval z = 0.3-1.2. These independent observations, analyzed by similar but distinct methods,Expand
Constraints on cosmological anisotropy out to z = 1 from Type Ia supernovae
A combined sample of 79 high- and low-redshift Type Ia supernovae (SNe) is used to set constraints on the degree of anisotropy in the Universe out to z similar or equal to 1. First, we derive theExpand
Independent cosmological constraints from high-z H ii galaxies
We present new high spectral resolution observations of 15 high-z ($1.3 \leq$ z $\leq 2.5$) HII Galaxies (HIIG) obtained with MOSFIRE at the Keck Observatory. These data, combined with alreadyExpand
The three faces of Ωm: testing gravity with low- and high-redshift SNe Ia surveys
Peculiar velocities of galaxies hosting Type Ia supernovae (SNe Ia) generate a significant systematic effect in deriving the dark energy equation of state w, at level of a few per cent. Here, weExpand
...
1
2
3
4
5
...

References

SHOWING 1-10 OF 71 REFERENCES
Measurements of the cosmological parameters omega and lambda from the first seven supernovae at z greater than or equal to 0.35
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 sevenExpand
Feasibility of measuring the cosmological constant {Lambda} and mass density {Omega} using Type Ia supernovae
We explore the feasibility of resurrecting the apparent magnitude-redshift relation for a 'standard candle' to measure the cosmological constant and mass density. We show that type Ia supernovae, ifExpand
Galaxy cluster virial masses and Omega
To re-examine the rich cluster $\Omega$ value the CNOC Cluster Survey has observed 16 high X-ray luminosity clusters in the redshift range 0.17 to 0.55, obtaining approximately 2600 velocities inExpand
Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant
We present spectral and photometric observations of 10 Type Ia supernovae (SNe Ia) in the redshift range 0.16 " z " 0.62. The luminosity distances of these objects are determined by methods thatExpand
Supernova limits on the cosmic equation of state
We use Type Ia supernovae studied by the High-z Supernova Search Team to constrain the properties of an energy component that may have contributed to accelerating the cosmic expansion. We find thatExpand
The Type Ia Supernova Rate at z ~ 0.4
We present the first measurement of the rate of Type Ia supernovae at high redshift. The result is derived by using a large subset of data from the Supernova Cosmology Project. Three supernovae wereExpand
The Velocity Field from Type Ia Supernovae Matches the Gravity Field from Galaxy Surveys
We compare the peculiar velocities of nearby Type Ia supernovae (SNs) with those predicted by the gravity fields of full-sky galaxy catalogs. The method provides a powerful test of the gravitationalExpand
The High-Z Supernova Search: Measuring Cosmic Deceleration and Global Curvature of the Universe Usin
The High-Z Supernova Search is an international collaboration to discover and monitor Type Ia supernovae (SNe Ia) at z > 0.2 with the aim of measuring cosmic deceleration and global curvature. OurExpand
Maximum Likelihood Comparisons of Tully-Fisher and Redshift Data: Constraints on Ω and Biasing
We compare Tully-Fisher (TF) data for 838 galaxies within cz = 3000 km s-1 from the Mark III catalog with the peculiar velocity and density fields predicted from the 1.2 Jy IRAS redshift survey. OurExpand
Limits on cosmological models from radio selected gravitational lenses
We are conducting a redshift survey of 177 flat-spectrum radio sources in three samples covering the 5 GHz flux ranges 50-100, 100-200, and 200-250 mJy. So far, we have measured 124 redshifts withExpand
...
1
2
3
4
5
...