Hi,
Could you please let me know which version of COSMOMC and CAMB was used to get the results which are there is WMAP 9 year papers.
I have found that using a different version of CAMB Likelihood can change as much as by 1.
Another thing is that WMAP 9 year used pivot scale 0.002 Mpc^{-1} however some of the versions of COSMOMC still has it 0.05 Mpc^{-1}.
One more issue is that CAMB uses log[10^{9}As] as parameter but COSMOMC parameter file supplies log[10^{10}As] how this thing is taken into account ?
Regards
jayanti
comomc with wmap 9 year data
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Re: comomc with wmap 9 year data
You can change the pivot scale used by CosmoMC - the pivot_k .ini file parameter.
CAMB takes A_s directly (scalar_amp).
The version of CAMB should not significantly change WMAP results except for the Chi-Squared - the version is documented in the various WMAP papers I think.
CAMB takes A_s directly (scalar_amp).
The version of CAMB should not significantly change WMAP results except for the Chi-Squared - the version is documented in the various WMAP papers I think.