示例#1
0
def PlotXPAbs(starData,
              clusterName='NGC-0752',
              ionList=kAllIonList,
              fileTag='',
              labelPlot=True,
              labelPoints=False,
              showTrendLine=False,
              modelAtms=None,
              pradks=None,
              referenceCorrect=False):
    # Make XP vs. Ab for the passed star
    # One element per plot.
    starName = starData[0]
    starParmTuple = tuple(starData[1:])

    isGiant = RC.isGiantStar(starParmTuple)
    if isGiant:
        modelPath = k.GiantModelPath
    else:
        modelPath = k.DwarfModelPath

    if modelAtms == None or pradks == None:
        modelFiles = mk.findDataFiles(modelPath)
        modelAtms, pradks = mk.LoadModels(modelFiles)

    abdict, uncorrLines, unusedMin, unusedMax = \
                AB.CalcAbsAndLines(clusterName+' '+starName,
                                   tuple(starData[1:6]), ionList=ionList,
                                   modelAtms=modelAtms, pradks=pradks)
    # uncorrLines:
    # # {elem.ion:[[Wavelength, Ex.Pot., logGf, eqw, logRW, abund],...]}

    if referenceCorrect:
        if isGiant:  # Obligatory comment on bad Giant corrections, and using
            # Solar instead.
            correctDict, referenceLines, lineWeights = \
            RC.GetSolarCorrections(ionList=ionList,
                                modelAtms=modelAtms,
                                pradks=pradks)
        else:
            correctDict, referenceLines, lineWeights = \
            RC.GetDwarfCorrections(ionList=ionList,
                                modelAtms=modelAtms,
                                pradks=pradks)

    correctionsAvailable = False
    if len(correctDict) > 0 and len(referenceLines) > 0:
        correctionsAvailable = True

    for ion in ionList:
        if ion not in uncorrLines.keys():
            continue
        # Does this element have NLTE corrections available? Note: we do
        # this BEFORE Solar corrections, which assumes that the same
        # NLTE corrections are already applied to any Solar corrections
        # we use.
        if ion in NLTEIons:
            LTELines = AB.CorrectNLTEAbs(ion, uncorrLines[ion],
                                         tuple(starData[1:6]))
        else:
            if ion in uncorrLines.keys():
                LTELines = uncorrLines[ion]
            else:
                # Either synthesized lines, or none available
                LTELines = np.array([])

        # Do we want the "reference corrected" abundances?
        if referenceCorrect and correctionsAvailable:
            tempAdj,tempAll = \
                    RC.SortAndFilterLines(LTELines,
                                       ion,
                                       tuple(starData[1:6]),
                                       solarCorrect=referenceCorrect,
                                       solarLines=referenceLines[ion],
                                       solarCorrs=correctDict[ion],
                                       lineWeights=lineWeights[ion])

            # correctedLines:
            #           [[ab, line STR score, wl, "quality"], ...]
            # allLines:
            #           [[ab, line STR score, wl],...]
            # We want to use np.arrays, so...
            allLines = np.array(tempAll)
            correctedLines = np.array(tempAdj)
            if len(allLines) == 0 or len(correctedLines) == 0:
                correctionsAvailable = False
            elif len(allLines) == 1 or len(correctedLines) == 1:
                print('Single Line determination:{0}'.format(starData[0]))
                print(allLines, correctedLines)
        # One plot per ion.
        if labelPlot:
            plotLabel = 'XP vs Ab for [{2}/H] in {0} {1}.'.\
                        format(clusterName, starName, el.getIonName(ion))
        else:
            plotLabel = ''

        if referenceCorrect and correctionsAvailable:
            tempPoints = []
            for line in uncorrLines[ion]:
                correctedAbs = [l[0] for l in correctedLines if \
                                u.in_range(l[2],line[0]-0.05, line[0]+0.05)]
                if len(correctedAbs) > 0:
                    tempPoints.append(
                        [line[1],
                         np.mean(correctedAbs), line[3], line[0]])
                else:
                    tempPoints.append([line[1], line[5], line[3], line[0]])
            XPAbPoints = np.array(tempPoints)
        else:
            XPAbPoints = np.array([[line[1],line[5],line[3],line[0]]\
                                for line in uncorrLines[ion]])
        if labelPoints:
            # Label the points with the wavelength
            pointLabels = ['{0:2.3f}'.format(point[3]) \
                           for point in XPAbPoints]
        else:
            pointLabels = None

        ps.XPAbPlot(XPAbPoints,
                    starName,
                    ion,
                    fileTag=fileTag + 'XPAb',
                    plotTitle=plotLabel,
                    pointLabels=pointLabels,
                    showTrendLine=showTrendLine)
示例#2
0
def GetAbTable(clusterName='NGC-0752',
               starDataList=None,
               ions=kAllIonList,
               filterBlends=False,
               referenceCorrect=False,
               useDAOSpec=False,
               gModelAtms=None,
               gPradks=None,
               dModelAtms=None,
               dPradks=None):
    # Returns a dictionary with each star name (key) has a list of elements
    # (secondary key), with a list containing [Abundance in [X/H], variance in the
    # line measurements, count of lines measured, average quality score]:
    # returnDict={starName:{ion:[[X/H],stdev, count, avg.quality],...},...}
    if starDataList == None:
        starDataList = GetAllStarParms(clusterName=clusterName)

    # Since we're doing a bunch of lines (uh...), we'll need both giant and
    # dwarf references. Giant references are prefixed by a 'g', dwarfs by 'd'.
    if gModelAtms == None or gPradks == None:
        gModelFiles = mk.findDataFiles(k.GiantModelPath)
        gModelAtms, gPradks = mk.LoadModels(gModelFiles)

    if dModelAtms == None or dPradks == None:
        dModelFiles = mk.findDataFiles(k.DwarfModelPath)
        dModelAtms, dPradks = mk.LoadModels(dModelFiles)

    # We need iron to do relative abundances:
    if 26.0 not in ions:
        ions.append(26.0)


# Turns out our giant corrections are not good
#    gCorrectDict, gReferenceLines, gLineWeights = \
#           GetGiantCorrections(ionList=ions,
#                               modelAtms=gModelAtms,
#                               pradks=gPradks)
# So, use the Solar corrections for now
    gCorrectDict, gReferenceLines, gLineWeights = \
            RC.GetSolarCorrections(ionList=ions,
                                modelAtms=dModelAtms,
                                pradks=dPradks)


    dCorrectDict, dReferenceLines, dLineWeights = \
            RC.GetDwarfCorrections(ionList=ions,
                                modelAtms=dModelAtms,
                                pradks=dPradks)

    tableDict = {}

    for starData in starDataList:
        starName = starData[0]
        starParms = tuple(starData[1:6])
        if RC.isGiantStar(starParms):
            modelAtms = gModelAtms
            pradks = gPradks
            referenceLines = gReferenceLines
            referenceDict = gCorrectDict
            lineWeights = gLineWeights
        else:
            modelAtms = dModelAtms
            pradks = dPradks
            referenceLines = dReferenceLines
            referenceDict = dCorrectDict
            lineWeights = dLineWeights

        tableDict[starName] = GetAbsForStar(starData, ions=ions,\
                filterBlends=filterBlends, refCorrect=referenceCorrect,\
                refDict=referenceDict, refLines=referenceLines, \
                lineWeights=lineWeights, useDAOSpec=useDAOSpec, \
                modelAtms=modelAtms, pradks=pradks)

    return tableDict
def MakeVPlots(clusterName='NGC-0752',
               starDataList=None,
               fileTag='',
               filterBlends=False,
               referenceCorrect=False,
               useDAOSpec=False,
               ions=[20.0]):
    # Function plots V_turb vs. sigma [Ca/H] (sigma is the line-to-line
    # standard deviation of the measured Ca lines), for a range of V_turb values.
    # Intended to provide a spectroscopic confirmation/adjustment
    # for photometrically-determined parameters.
    if starDataList is None:
        starDataList = STP.GetAllStarParms(clusterName=clusterName)

    dModelFiles = mk.findDataFiles(k.DwarfModelPath)
    dModelAtms, dPradks = mk.LoadModels(dModelFiles)
    dCorrectDict, dReferenceLines, dLineWeights = \
            RC.GetDwarfCorrections(ionList=ions,
                                modelAtms=dModelAtms,
                                pradks=dPradks)

    gModelFiles = mk.findDataFiles(k.GiantModelPath)
    gModelAtms, gPradks = mk.LoadModels(gModelFiles)
    # Note: We're using dwarf corrections for giant stars...
    # because they're better than giant corrections for the
    # giant stars. This needs to be fixed. :(
    gCorrectDict, gReferenceLines, gLineWeights = \
            RC.GetSolarCorrections(ionList=ions,
                                modelAtms=dModelAtms,
                                pradks=dPradks)
    # For now, CaI appears to work best for all stars.
    # VI, Ti I/II, Fe I/II, Cr I/II also work, but not as well - (See Reddy, et al. 2012).
    #    ions = [20.0]
    abDict = {}

    colorArray=['r','orange','gold','darkgreen','navy',\
                'm','saddlebrown','skyblue','hotpink']

    for starParms in starDataList:
        if RC.isGiantStar(starParms[1:]):
            modelAtms = gModelAtms
            pradks = gPradks
            refLines = gReferenceLines
            refDict = gCorrectDict
            lineWeights = gLineWeights
        else:
            modelAtms = dModelAtms
            pradks = dPradks
            refLines = dReferenceLines
            refDict = dCorrectDict
            lineWeights = dLineWeights

        starPoints = {}
        for v in np.linspace(0.5, 3.0, 26):
            parmTuple = (starParms[0], starParms[1], starParms[2], v, \
                         starParms[4], starParms[5], starParms[6])

            abDict[v] = STP.GetAbsForStar(parmTuple, ions=ions,\
                filterBlends=filterBlends, refCorrect=referenceCorrect,\
                refDict=refDict, refLines=refLines, lineWeights=lineWeights,\
                useDAOSpec=useDAOSpec, modelAtms=modelAtms, pradks=pradks)

            for ion in abDict[v].keys():
                if ion not in starPoints.keys():
                    starPoints[ion] = {}
                if abDict[v][ion][0] == 0.:
                    continue
                starPoints[ion][v] = abDict[v][ion][1]

        colorIdx = 0

        ymaxes = []
        for ion in starPoints.keys():
            Xs = sorted(np.array(list(starPoints[ion].keys())))
            if len(Xs) == 0 or ion in STP.SynthAbsDict.keys():
                continue
            Ys = np.array([starPoints[ion][x] for x in Xs])
            if len(Xs) < 2 or len(Ys) < 2:
                continue
            Ys = Ys / min(Ys)
            ymaxes.append(max(Ys))
            try:
                minV = Xs[np.where(Ys == min(Ys))[0][0]]
            except IndexError:
                continue
            pyplot.plot(Xs,
                        Ys,
                        label=r'$({1}) V_{{turb}}={0:3.1f}km/sec$'.format(
                            minV, el.getIonName(ion)),
                        color=colorArray[colorIdx])
            pyplot.scatter(Xs, Ys, color=colorArray[colorIdx])
            pyplot.axvline(minV, linestyle=':', color=colorArray[colorIdx])
            colorIdx += 1
            if colorIdx == len(colorArray): colorIdx = 0
        ax = pyplot.gca()
        ax.set_xlabel(r'$V_{{turb}} km/s$')
        ax.set_ylabel('Normalized [X/H] variance')
        ax.set_ylim((0., min(5.0, max(ymaxes))))
        pyplot.legend(fontsize=8)
        pyplot.savefig(k.ParmPlotDir + 'Vturb/' + starParms[0] + fileTag +
                       '.png')
        pyplot.close()
示例#4
0
def PlotAbs(clusterName,
            starData,
            ions,
            fileTag='',
            plotTitle='',
            filterBlends=False,
            referenceCorrect=False,
            labelPoints=False,
            useDAOSpec=False,
            modelAtms=None,
            pradks=None):
    pointLabels = None
    # Lookup the abundance(s) for the passed star, and plot them
    # (into a .png file). One element per plot.
    starName = starData[0]
    starParmTuple = tuple(starData[1:6])

    isGiant = RC.isGiantStar(starParmTuple)

    if isGiant:
        modelPath = k.GiantModelPath
    else:
        modelPath = k.DwarfModelPath

    if modelAtms == None or pradks == None:
        modelFiles = mk.findDataFiles(modelPath)
        modelAtms, pradks = mk.LoadModels(modelFiles)

    # uncorrLines format:
    #       {elem.ion:[[Wavelength, Ex.Pot., logGf, eqw, logRW, abund],...]}
    # abDict format:
    #       {elem.ion:[abundance mean, ab. std.dev., # lines]}
    abdict, uncorrLines, unusedMin, unusedMax = \
                AB.CalcAbsAndLines(clusterName+' '+starName,
                                   starParmTuple,
                                   ionList=ions,
                                   modelAtms=modelAtms,
                                   pradks=pradks,
                                   useDAOlines=useDAOSpec)

    if isGiant:
        # Obtain the reference corrections for a giant star - Note: this is
        # badly broken! So, we're just going to use the Solar corrections for
        # now:
        correctDict, referenceLines, lineWeights = \
                RC.GetDwarfCorrections(ionList=ions,
                                    modelAtms=modelAtms,
                                    pradks=pradks,
                                    useDAOSpec=useDAOSpec)
#        correctDict, referenceLines, lineWeights = \
#                GetGiantCorrections(ionList=ions,
#                                    modelAtms=modelAtms,
#                                    pradks=pradks)
    else:
        # ...or for a dwarf star.
        correctDict, referenceLines, lineWeights = \
                RC.GetDwarfCorrections(ionList=ions,
                                    modelAtms=modelAtms,
                                    pradks=pradks,
                                    useDAOSpec=useDAOSpec)

    for ion in ions:

        # We'll make one plot per ion.
        pointLabels = []
        redData = greenData = blueData = []
        if ion not in uncorrLines.keys():
            print('No {0:2.1f} lines for {1}.'.format(ion, starName))
            continue
        if (referenceCorrect or filterBlends) and \
        ion in referenceLines.keys() and ion in correctDict.keys() and \
        ion in lineWeights.keys():
            adjustedLines, dataPoints = \
                    RC.SortAndFilterLines(uncorrLines[ion],
                                       ion,
                                       starParmTuple,
                                       filterBlends=filterBlends,
                                       solarCorrect=referenceCorrect,
                                       solarLines=referenceLines[ion],
                                       solarCorrs=correctDict[ion],
                                       lineWeights=lineWeights[ion])

            tempData = []
            for line in uncorrLines[ion]:
                corrLine = u.find(lambda l: l[0] == line[0], dataPoints)
                if corrLine is not None:
                    tempData.append(corrLine)
                else:
                    tempData.append([line[5], el.STR(line[2], line[1], \
                                     starParmTuple[0]),line[0]])
            redData = np.array(tempData)
        else:

            dataPoints = np.array([[line[5],
                                    el.STR(line[2],
                                    line[1],
                                    starParmTuple[0]),
                                    line[0]] \
                                    for line in uncorrLines[ion]])

        if labelPoints:
            pointLabels = ['{0:4.3f}'.format(line[2]) for line in dataPoints]
            pointLabels.extend(['{0:4.3f}'.\
                                format(line[2]) for line in redData])
            pointLabels.extend(['{0:4.3f}'.\
                                format(line[2]) for line in greenData])
            pointLabels.extend(['{0:4.3f}'.\
                                format(line[2]) for line in blueData])

        loSlope, loIntercept, rv, pv, err = \
                ps.GetDetectionLimit(starParmTuple,
                                     ion,
                                     modelAtms=modelAtms,
                                     pradks=pradks)
        hiSlope, hiIntercept, rv, pv, err = \
                ps.GetCoGLimit(starParmTuple,
                               ion,
                               modelAtms=modelAtms,
                               pradks=pradks)

        ps.AbSTRPlot(starName,
                     ion,
                     dataPoints,
                     redSet=redData,
                     greenSet=greenData,
                     blueSet=blueData,
                     lowLimit=(loSlope, loIntercept),
                     hiLimit=(hiSlope, hiIntercept),
                     fileTag=fileTag,
                     plotTitle=plotTitle,
                     labelPoints=pointLabels)
def MakeTeffPlots(clusterName='NGC-0752',
                  starDataList=None,
                  fileTag='',
                  referenceCorrect=False):
    # Function plots Teff vs. slope of (XP vs. [Fe/H]) for a range of temperatures.
    # Intended to provide a spectroscopic confirmation/adjustment
    # for photometrically-determined parameters. We assume that at the "correct"
    # temperature, the slope of XP vs. [Fe/H] would be zero.

    if starDataList is None:
        starDataList = STP.GetAllStarParms(clusterName=clusterName)

    dModelFiles = mk.findDataFiles(k.DwarfModelPath)
    dModelAtms, dPradks = mk.LoadModels(dModelFiles)
    gModelFiles = mk.findDataFiles(k.GiantModelPath)
    gModelAtms, gPradks = mk.LoadModels(gModelFiles)
    # Map Fe I Ab vs. Ex pot.
    ions = [26.0]
    abDict = {}
    dTeffRange = np.linspace(5000, 7000, 81)
    gTeffRange = np.linspace(4000, 6000, 81)

    for star in starDataList:
        starName = star[0]

        isGiant = RC.isGiantStar(star[1:])
        if isGiant:
            modelAtms = gModelAtms
            pradks = gPradks
            tRange = gTeffRange
            if referenceCorrect:
                correctDict, referenceLines, lineWeights = \
                        RC.GetGiantCorrections(ionList=ions,
                                               modelAtms=modelAtms,
                                               pradks=pradks)
        else:
            modelAtms = dModelAtms
            pradks = dPradks
            tRange = dTeffRange
            if referenceCorrect:
                correctDict, referenceLines, lineWeights = \
                        RC.GetDwarfCorrections(ionList=ions,
                                               modelAtms=modelAtms,
                                               pradks=pradks)
        logG = star[2]
        vTurb = star[3]
        met = star[4]

        slopes = []
        for Teff in tRange:
            unusedDict, uncorrLines, unusedMin, unusedMax = \
                AB.CalcAbsAndLines(clusterName+' '+starName,
                           tuple([Teff, star[2], star[3], star[4], star[5]]),\
                           ionList=ions, modelAtms=modelAtms, pradks=pradks)
            XPs = []
            Abs = []
            if referenceCorrect:
                adjLines, allLines = RC.SortAndFilterLines(
                    uncorrLines[26.0],
                    26.0,
                    tuple([Teff, star[2], star[3], star[4], star[5]]),
                    solarCorrect=True,
                    solarLines=referenceLines[26.0],
                    solarCorrs=correctDict[26.0],
                    lineWeights=lineWeights[26.0])
                if len(adjLines) > 10:
                    # Assume 10 Fe I lines needed for nice plots
                    for line in adjLines:
                        # XP isn't returned, so have to do a lookup into the
                        # original list.
                        XPs.append(
                            u.find(lambda l: l[0] == line[2],
                                   uncorrLines[26.0])[1])
                        Abs.append(line[0])

            if len(XPs) == 0 or len(Abs) == 0:
                # Either no corrections, or corrections failed
                XPs = [line[1] for line in uncorrLines[26.0]]
                Abs = [line[5] for line in uncorrLines[26.0]]

            slope, intercept, rVal, pVal, err = sp.stats.linregress(XPs, Abs)

            slopes.append(slope)

        # We have to flip because interp expects the xvalues to be
        # monotomically increasing
        interpTs = np.interp([-0.02, 0., 0.02], slopes[::-1], tRange[::-1])
        if interpTs[0] > interpTs[1]:
            minusR = interpTs[1] - interpTs[2]
            plusR = interpTs[0] - interpTs[1]
        else:
            minusR = interpTs[1] - interpTs[0]
            plusR = interpTs[2] - interpTs[1]

        fig = pyplot.figure()
        TeffLabel = r'$T_{{eff}} = {0:4.0f}^{{+{1:4.0f}}}_{{-{2:4.0f}}}$)'.\
                    format(interpTs[1],minusR,plusR)
        pyplot.scatter(tRange, slopes, label=TeffLabel)
        pyplot.axhline(0.0, linestyle=':')

        pyplot.legend()
        pyplot.savefig(k.ParmPlotDir + 'Teff/' + star[0] + fileTag +
                       '_FeSlope.png')
        pyplot.close()