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首页> 外文期刊>Journal of Physics: Conference Series >Early Advanced LIGO binary neutron-star sky localization and parameter estimation
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Early Advanced LIGO binary neutron-star sky localization and parameter estimation

机译:早期高级LIGO双星中子星的天空定位和参数估计

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2015willseethefirstobservationsofAdvancedLIGOandthestartofthegravitational-wave(GW)advanced-detectorera.Oneofthemostpromisingsourcesforground-basedGWdetectorsarebinaryneutron-star(BNS)coalescences.Inordertouseanydetectionsforastrophysics,wemustunderstandthecapabilitiesofourparameter-estimationanalysis.BysimulatingtheGWsfromanastrophysicallymotivatedpopulationofBNSs,weexaminetheaccuracyofparameterinferencesintheearlyadvanced-detectorera.Wefindthatskylocation,whichisimportantforelectromagneticfollow-up,canbedeterminedrapidly(~5s),butthatskyareasmaybehundredsofsquaredegrees.Thedegeneracybetweencomponentmassandspinmeansthereissignificantuncertaintyformeasurementsoftheindividualmassesandspins;however,thechirpmassiswellmeasured(typicallybetterthan0.1%)...
机译:2015willseethefirstobservationsofAdvancedLIGOandthestartofthegravitational波(GW)先进detectorera.Oneofthemostpromisingsourcesforground-basedGWdetectorsarebinaryneutron星(BNS)coalescences.Inordertouseanydetectionsforastrophysics,wemustunderstandthecapabilitiesofourparameter-estimationanalysis.BysimulatingtheGWsfromanastrophysicallymotivatedpopulationofBNSs,weexaminetheaccuracyofparameterinferencesintheearlyadvanced-detectorera.Wefindthatskylocation,whichisimportantforelectromagneticfollow镜头,canbedeterminedrapidly(〜5秒),butthatskyareasmaybehundredsofsquaredegrees.Thedegeneracybetweencomponentmassandspinmeansthereissignificantuncertaintyformeasurementsoftheindividualmassesandspins;然而,良好的转速测量(通常优于0.1%)...

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