Example #1
0
 def cross_match(self,
                 inCatalogFileName,
                 outCatalogFileName,
                 radiusArcmin=1.0):
     """Cross matches input and output source catalogs.
     
     """
     inTab = atpy.Table().read(inCatalogFileName)
     outTab = atpy.Table().read(outCatalogFileName)
     self.inTab, self.outTab, self.rDeg = catalogs.crossMatch(
         inTab, outTab, radiusArcmin=radiusArcmin)
Example #2
0
    'Mpivot': 3.0e+14,
    'sigma_int': 0.0
}
tckQFitDict = signals.loadQ("../MFMF_SOSim_3freq_tiles/selFn/QFit.fits")
fRelWeightsDict = signals.loadFRelWeights(
    "../MFMF_SOSim_3freq_tiles/selFn/fRelWeights.fits")

# Make combined table
mergedTabFileName = "trueMasses_MFMF_SOSim_3freq_tiles_M500.fits"
if os.path.exists(mergedTabFileName) == False:
    halos = atpy.Table().read("../halos.fits")
    tab = atpy.Table().read(
        "../MFMF_SOSim_3freq_tiles/MFMF_SOSim_3freq_tiles_M500.fits")
    tab = tab[tab['fixed_SNR'] > 6]

    tab, halos, rDeg = catalogs.crossMatch(tab, halos, radiusArcmin=1.0)

    zs = halos['z']
    yc = tab['fixed_y_c']
    M200m = halos['M200m']
    M500c = []
    count = 0
    for m, z in zip(M200m, zs):
        count = count + 1
        print(count, len(M200m))
        M500c.append(signals.convertM200mToM500c(m, z))
    M500c = np.array(M500c)
    M500c = M500c[:, 0]
    tab['true_M500'] = M500c / 1e14
    tab['true_M200'] = M200m / 1e14
    tab['redshift'] = zs
Example #3
0
yc = {}
ycErr = {}
labels = {}

# Cross match against nemo output
print("Collecting fixed_y_c measurements for each cluster across all maps")
xMatchFiles = glob.glob("outputCatalogs/*.fits")
xMatchFiles.sort()
for f in xMatchFiles:
    label = os.path.split(f)[-1].split("_optimal")[0]
    print("    %s" % (label))
    tab = atpy.Table().read(f)
    #tab=tab[tab['fixed_SNR'] > SNRCut]
    try:
        refMatched, tabMatched, sep = catalogs.crossMatch(refTab,
                                                          tab,
                                                          radiusArcmin=1.4)
    except:
        raise Exception(
            "Matching probably failed because SNRCut is too low so there were no matches"
        )

    for ref, match in zip(refMatched, tabMatched):
        name = ref['name']
        if name not in yc.keys():
            yc[name] = []
            ycErr[name] = []
            labels[name] = []
            ycRef[name] = ref['fixed_y_c'] * calFactor
            ycErrRef[name] = ref['fixed_err_y_c']
        yc[name].append(match['fixed_y_c'])