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Riess11 module
Likelihood of hubble parameter H0 from Riess et al supernova sample
Name: Riess11
File: cosmosis-standard-library/likelihood/riess11/riess11.py
Version: 2011
Author(s):
- Riess et al (measurement)
- CosmoSIS team (code)
URL: http://pdg.lbl.gov/2013/reviews/rpp2013-rev-bbang-nucleosynthesis.pdf
Cite:
- Riess et al, ApJ, 730, 2, 119 (2011)
- Riess et al, ApJ, 732, 2, 129 (2011)
Rules:
- None.
Assumptions:
- FRW cosmological model
- Riess et al data set
Explanation
This small module was written for CosmoSIS.
Supernova type IA measurements are a standard(izable) candle
that can be used to probe the relation between luminosity distance
and redshift. At low redshifts this directly probes the Hubble parameter,
H0.
The Riess et al 3% solution measurement of H0 is used in this module.
##Parameters
These parameters can be set in the module's section in the ini parameter file.
If no default is specified then the parameter is required.
| Parameter | Description |
|---|---|
| mean | float, replace the standard value measurement H0 = 0.738 with a custom one for simulations (default 0.738) |
| sigma | float, replace the standard value error on H0 of 0.024 with a custom one (default 0.024) |
##Inputs
These parameters and data are inputs to the module, either supplied as parameters by the sampler or computed by some previous module. They are loaded from the data block.
| Section | Parameter | Description |
|---|---|---|
| cosmological_parameters | h0 | real, hubble parameter H0/(100 km/s/Mpc) |
##Outputs
These parameters and data are computed as outputs from the module
| Section | Parameter | Description |
|---|---|---|
| likelihoods | RIESS_LIKE | Gaussian likelihood value of supplied parameters |
Updated