scripts for atlas

code/RDownScript.m

+(* ::Package:: *)
+
+(* ::Title:: *)
+(*RDown excitation time*)
+
+
+(* ::Input:: *)
+(*Quit[]*)
+
+
+(* ::Section:: *)
+(*Setup*)
+
+
+(* ::Subsection::Closed:: *)
+(*Load package and set root paths*)
+
+
+rootpath="~/git/rdstackingproject/";
+
+
+SetDirectory[rootpath<>"code"];
+<<RDown.m
+<<mcmc.m
+
+
+mysxscase="/Users/xisco/SXS/BBH_SKS_d14.3_q1.22_sA_0_0_0.330_sB_0_0_-0.440";
+tshift=0;
+npoints=10;
+ntones=1;
+\[Omega]fact=0.05;
+
+
+(* ::Subsection::Closed:: *)
+(*Setup paths and other notebook folders*)
+
+
+(* Change them accordingly *)
+(*Notebook directory*)
+notdir=rootpath<>"code/";
+(*Directory of the l's Ringdown data *)
+modedir=rootpath;
+(* True if you want to export the plots *)
+ExportQ=False
+ExportDir=notdir
+
+
+(* ::Subsection::Closed:: *)
+(*Plot Formatting*)
+
+
+(* PlotStyle *)
+markers={"\[FilledCircle]","\[FilledSquare]","\[FilledDiamond]","\[FilledUpTriangle]","\[FilledDownTriangle]","\[EmptyCircle]","\[EmptySquare]","\[EmptyDiamond]","\[EmptyUpTriangle]","\[EmptyDownTriangle]"}
+colors=ColorData[97,"ColorList"]
+l1=.025;
+l2=.001;
+s=l1/2;
+
+
+(* ::Subsection::Closed:: *)
+(*Other functions*)
+
+
+Options[pdf]={"SNR"->1};
+pdf[ansatz_,data_,tend_?NumericQ,x_?(VectorQ[#,NumericQ]&),OptionsPattern[]]:=Block[{ansl,cfit,cfitd,h1red,h2red,norm1,norm2,myTable,snr,tmax},
+
+snr=OptionValue["SNR"];
+
+tmax=data[[1,1]];
+ansl=ansatz;
+cfitd=Transpose[{data[[All,1]],ansl/.t->data[[All,1]]}];
+
+h1red=Select[data,tmax<=#[[1]]<=tmax+tend&][[All,2]];
+h2red=Select[cfitd,tmax<=#[[1]]<=tmax+tend&][[All,2]];
+norm1=Total[(Abs@h1red)^2 ];
+norm2=Total[(Abs@h2red)^2 ];
+
+myTable=h1red Conjugate@h2red;
+-snr^2(1-(Re@Total[myTable]/Sqrt[norm1 norm2]))]
+
+
+Options[pdfFit]={"SNR"->1};
+pdfFit[ansatz_,data_,tend_?NumericQ,x_?(VectorQ[#,NumericQ]&),OptionsPattern[]]:=Block[{ansl,cfit,cfitd,h1red,h2red,norm1,norm2,myTable,snr,tmax},
+
+snr=OptionValue["SNR"];
+
+tmax=data[[1,1]];
+ansl=ansatz;
+cfitd=Transpose[{data[[All,1]],ansl/.t->data[[All,1]]}];
+h1red=Select[data,tmax<=#[[1]]<=tmax+tend&][[All,2]];
+h2red=Select[cfitd,tmax<=#[[1]]<=tmax+tend&][[All,2]];
+
+Total[(Re[h1red-h2red]^2+Im[h1red-h2red]^2)]
+]
+
+
+(* ::Subsection:: *)
+(*Imports*)
+
+
+(* ::Subsubsection::Closed:: *)
+(*RDown data*)
+
+
+(* ::Input:: *)
+(*(* The QNM spectrum is obtained from https://pages.jh.edu/~eberti2/ringdown/. Up to now, we can load any lmn combination up to l=4 and n=7. To extend the l number you need to download the l>4 files. *)*)
+
+
+(* Import all the modes you want to use *)
+modelist={{2,2,0},{2,2,1},{2,2,2},{2,2,3},{2,2,4},{2,2,5},{2,2,6},{2,2,7}}
+
+
+(* Files for the modes. Note that in this file notation the fundamental tone corresponds to n=1. However, for the code notation we will always use n=0.  *)
+Modefiles=Table[modedir<>"l"<>ToString[modelist[[j,1]]]<>"/n"<>ToString[modelist[[j,3]]+1]<>"l"<>ToString[modelist[[j,1]]]<>"m"<>ToString[modelist[[j,2]]]<>".dat",{j,Length@modelist}]
+
+
+(* Import modes data *)
+Modedata=Import/@Modefiles;
+
+
+(* ::Subsubsection::Closed:: *)
+(*NR data + EOBFits*)
+
+
+modes={{2,2}}
+
+
+mysxscaserh=Reverse[Select[FileNames["*Lev6/rh*",mysxscase,2],Not@StringMatchQ[#,"*raw*"]&]]
+mysxscasemetafile=FileNames["metadata.txt",mysxscase,2][[1]]
+metadata=SXSMetaFilesToRules[mysxscasemetafile];
+
+
+Print["mass1 = ",mass1=("initial-mass1"/.metadata)[[1]]]
+Print["mass2 = ",mass2=("initial-mass2"/.metadata)[[1]]]
+Print["\[Chi]1 = ",\[Chi]1=Chop[(("initial-dimensionless-spin1"/.metadata)[[-1]])]]
+Print["\[Chi]2 = ",\[Chi]2=Chop[(("initial-dimensionless-spin2"/.metadata)[[-1]])]]
+Print["m1/m2 = ",q=Max[{mass1/mass2,1}]]
+Print["m1\[CenterDot]m2 = ",\[Eta]=q/(1+q)^2*1.]
+Print["af = ",af=("remnant-dimensionless-spin"/.metadata)[[-1]]]
+Print["mf = ",mf=("remnant-mass"/.metadata)[[1]]]
+Print["Tag = ",tag=("alternative-names"/.metadata)[[2]]]
+
+
+sxsrhs=Flatten[Conjugate/@GetAsymptoticMultiMode[#,2,modes,"ReSample"->True]&/@mysxscaserh,1];
+
+
+(* ::Section:: *)
+(*Results for the paper*)
+
+
+(* ::Subsubsection::Closed:: *)
+(*Vary the fundamental frequency*)
+
+
+t0=TimeOfMaximum[sxsrhs[[1]]]+tshift+20
+data=Select[sxsrhs[[1]],#[[1]]>= t0&];
+
+
+tab=Table[
+ansatz=OvertoneModelV2[ntones,{\[Eta],\[Chi]1,\[Chi]2},t0,"Fit\[Alpha]"->{},"Vary\[Omega]"->True,"\[Omega]val"->{-\[Omega]fact,\[Omega]fact},"Export_\[Omega]val"->True,"ModesData"->Modedata];
+cfit=NonlinearModelFit[data,ansatz[[1]],{x0,x1,x2,x3,x4,x5,x6,x7},t];
+cfitd=Transpose[{data[[All,1]],Normal[cfit]/.t->data[[All,1]]}];
+{ansatz[[2]],cfit["BestFitParameters"],1-EasyMatchT[data,cfitd,t0,t0+90]},{j,npoints}];
+
+
+Export[rootpath<>"plots/freq_bfitpars_mmatch.dat",tab]