updating cosomlogy for plotting script

plotting/agn_getMlines.py

 import numpy as np
 from scipy.integrate import quad
+import astropy.units as u
 from astropy.cosmology import Planck18 as cosmo
 
-import readPosterior
+
 
 def zInt(beta,gamma,zlow,zhigh):
 
-    OmegaM = 0.3
-    OmegaL = 0.7
-    Ho = 1.0/13.8
+    OmegaM = cosmo.Om0
+    OmegaL = cosmo.Ode0
+
+    # Ho from Planck18, which we convert to units of 1/Gyrs
+    Gyr_in_s = 1.e9 * 1.*u.year.to(u.s)
+    Mpc_in_m = 1.e6 * 1.*u.parsec.to(u.m)
+    H0_in_km_per_s_per_Mpc = cosmo.H(0).value
+    H0_in_per_Gyr =  H0_in_km_per_s_per_Mpc * Gyr_in_s / (Mpc_in_m / 1000)
+    Ho = H0_in_per_Gyr
 
     zfn = lambda zi: ( (1.0 + zi)**(beta-1.0) * np.exp(zi/gamma) ) / \
                      ( Ho * ( OmegaM*(1.0+zi)**3. + OmegaL )**(1./2.) )
@@ -46,18 +53,19 @@ def dndlog10M(theta,log10Ms):
 def main():
 
     pathToRuns = '../../runs/simpleModel/logNormLikeMstar6to10/'
+    pathToRuns = '../models/agnostic_model/posterior.dat'
     nRuns=5
-    simpleModelData = readPosterior.readPosterior(pathToRuns, nRuns=nRuns)
+    simpleModelData = np.genfromtxt(pathToRuns,names=True)#readPosterior.readPosterior(pathToRuns, nRuns=nRuns)
 
     # set up M range and write to file
     log10MRange = np.linspace(6.0, 11.0, 40)
-    writeMs = open('{}combined/ms.dat'.format(pathToRuns),'w')
+    writeMs = open('tmp2_ms.dat'.format(pathToRuns),'w')
     for logM in log10MRange:
         writeMs.write('{}\n'.format(10.0**logM))
     writeMs.close()
 
     # place to write results 
-    writeLines = open('{}combined/mLines.dat'.format(pathToRuns),'w')    
+    writeLines = open('tmp2_mLines.dat'.format(pathToRuns),'w')    
 
     # compute lines
     for i in range(len(simpleModelData)):