Changeset 3829 in Sophya for trunk/Cosmo/RadioBeam/radutil.cc

Timestamp:

Aug 3, 2010, 6:38:00 PM (15 years ago)

Author:

ansari

Message:

Adaptation programme srcat2cube.cc pour utilisation catalogue North20cm avec indice spectral, Reza 03/08/2010

File:

• trunk/Cosmo/RadioBeam/radutil.cc (modified) (2 diffs)

trunk/Cosmo/RadioBeam/radutil.cc

@@ -10 +10 @@
   setFrequency(freq);
   setOmegaPix(opix);
+  setCosmoParam();
 }
 
@@ -28 +29 @@
   return jy*1e-26 / omegapix_ * lambda_ * lambda_ / 2. / k_Boltzman_Cst ;
 }
+
+
+double H21Conversions::setCosmoParam(double omegamatter, double omegabaryon, double h100, double fracHI)
+{
+  OmegaMatter_=omegamatter;
+  OmegaBaryons_=omegabaryon;
+  h100_=h100;
+  fracHI_=fracHI;
+  OmegaLambda_=1.-OmegaMatter_;  // Je neglige OmegaRadiation
+  return OmegaLambda_;
+}
+
+double H21Conversions::Mean21cmTemperature_mK()
+{
+  double zz = 1.+z_;
+  double cc=zz*zz/sqrt(OmegaMatter_*zz*zz*zz+OmegaLambda_);
+  cc *= ((h100_/0.7)*(OmegaBaryons_/0.04)*(fracHI_/0.1));
+  return (cc*0.57);
+}