Using electromagnetic observations to aid gravitational-wave parameter estimation of compact binaries observed with LISA
We present a first-stage study of the effect of using knowledge from electromagnetic (EM) observations in the gravitational wave (GW) data analysis of Galactic binaries that are predicted to be observed by the new Laser Interferometer Space Antenna in the low-frequency range, \(10^{-4} \mathrm{Hz}
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| creator | Shah, Sweta van der Sluys, Marc Nelemans, Gijs |
| description | We present a first-stage study of the effect of using knowledge from electromagnetic (EM) observations in the gravitational wave (GW) data analysis of Galactic binaries that are predicted to be observed by the new Laser Interferometer Space Antenna in the low-frequency range, \(10^{-4} \mathrm{Hz} |
| doi_str_mv | 10.48550/arxiv.1207.6770 |
| format | Article |
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In particular, we examine the extent to which the accuracy of GW parameter estimation improves if we use available information from EM data. We do this by investigating whether correlations exist between the GW parameters that describe these binaries and whether some of these parameters are also available from EM observations. We used verification binaries, which are known as the guaranteed sources for eLISA and will test the functioning of the instrument. We find that of the seven parameters that characterise such a binary, only a few are correlated. The most useful result is the strong correlation between amplitude and inclination, which can be used to constrain the parameter uncertainty in amplitude by making use of the constraint of inclination from EM measurements. The improvement can be up to a factor of \(\sim6.5\), but depends on the signal-to-noise ratio of the source data. Moreover, we find that this strong correlation depends on the inclination. For mildly face-on binaries (\(\iota \lesssim 45^{\circ}\)), EM data on inclination can improve the estimate of the GW amplitude by a significant factor. However, for edge-on binaries (\(\iota \sim 90^{\circ}\)), the inclination can be determined accurately from GW data alone, thus GW data can be used to select systems that will likely be eclipsing binaries for EM follow-up.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1207.6770</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Amplitudes ; Binary systems ; Correlation ; Data analysis ; Frequency ranges ; Gravitation ; Gravitational waves ; Inclination ; LISA (antenna) ; Parameter estimation ; Parameter uncertainty ; Physics - Instrumentation and Methods for Astrophysics</subject><ispartof>arXiv.org, 2012-08</ispartof><rights>2012. This work is published under http://arxiv.org/licenses/nonexclusive-distrib/1.0/ (the “License”). 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In particular, we examine the extent to which the accuracy of GW parameter estimation improves if we use available information from EM data. We do this by investigating whether correlations exist between the GW parameters that describe these binaries and whether some of these parameters are also available from EM observations. We used verification binaries, which are known as the guaranteed sources for eLISA and will test the functioning of the instrument. We find that of the seven parameters that characterise such a binary, only a few are correlated. The most useful result is the strong correlation between amplitude and inclination, which can be used to constrain the parameter uncertainty in amplitude by making use of the constraint of inclination from EM measurements. The improvement can be up to a factor of \(\sim6.5\), but depends on the signal-to-noise ratio of the source data. Moreover, we find that this strong correlation depends on the inclination. For mildly face-on binaries (\(\iota \lesssim 45^{\circ}\)), EM data on inclination can improve the estimate of the GW amplitude by a significant factor. However, for edge-on binaries (\(\iota \sim 90^{\circ}\)), the inclination can be determined accurately from GW data alone, thus GW data can be used to select systems that will likely be eclipsing binaries for EM follow-up.</description><subject>Amplitudes</subject><subject>Binary systems</subject><subject>Correlation</subject><subject>Data analysis</subject><subject>Frequency ranges</subject><subject>Gravitation</subject><subject>Gravitational waves</subject><subject>Inclination</subject><subject>LISA (antenna)</subject><subject>Parameter estimation</subject><subject>Parameter uncertainty</subject><subject>Physics - Instrumentation and Methods for Astrophysics</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GOX</sourceid><recordid>eNotkEtrwzAQhEWh0JDm3lMR9Ox0vbIi-RhCH4FAD03PRrbXqUJsuZLy6L-vm-Q0sDMMOx9jDylMMy0lPBt_sodpiqCmM6Xgho1QiDTRGeIdm4SwBQCcKZRSjNjpK9huw2lHVfSuNZuOoq24KwP5g4nWdYFHx42t-cabg43nm9klR3Mg3htvWorkOYVo27PHXcMr1_amiry0nfGWwrWPan608Zuvlp_ze3bbmF2gyVXHbP36sl68J6uPt-VivkqMTGWCSEBaaIAMBamyUXWlydSaUiBRZ7UgKHGWodR5g1WpsibLawENlGleoRRj9nipPVMpej986X-LfzrFP50h8HQJ9N797IcZxdbt_bAwFAgaFeYKpPgDxEJqGQ</recordid><startdate>20120802</startdate><enddate>20120802</enddate><creator>Shah, Sweta</creator><creator>van der Sluys, Marc</creator><creator>Nelemans, Gijs</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>GOX</scope></search><sort><creationdate>20120802</creationdate><title>Using electromagnetic observations to aid gravitational-wave parameter estimation of compact binaries observed with LISA</title><author>Shah, Sweta ; van der Sluys, Marc ; Nelemans, Gijs</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a515-22e0e83800423e7bf7dc8ead8e10e3d4d3e0b2642589f2cb74f49d30f0b19c253</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Amplitudes</topic><topic>Binary systems</topic><topic>Correlation</topic><topic>Data analysis</topic><topic>Frequency ranges</topic><topic>Gravitation</topic><topic>Gravitational waves</topic><topic>Inclination</topic><topic>LISA (antenna)</topic><topic>Parameter estimation</topic><topic>Parameter uncertainty</topic><topic>Physics - Instrumentation and Methods for Astrophysics</topic><toplevel>online_resources</toplevel><creatorcontrib>Shah, Sweta</creatorcontrib><creatorcontrib>van der Sluys, Marc</creatorcontrib><creatorcontrib>Nelemans, Gijs</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shah, Sweta</au><au>van der Sluys, Marc</au><au>Nelemans, Gijs</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Using electromagnetic observations to aid gravitational-wave parameter estimation of compact binaries observed with LISA</atitle><jtitle>arXiv.org</jtitle><date>2012-08-02</date><risdate>2012</risdate><eissn>2331-8422</eissn><abstract>We present a first-stage study of the effect of using knowledge from electromagnetic (EM) observations in the gravitational wave (GW) data analysis of Galactic binaries that are predicted to be observed by the new Laser Interferometer Space Antenna in the low-frequency range, \(10^{-4} \mathrm{Hz}<f<1 \mathrm{Hz}\). In particular, we examine the extent to which the accuracy of GW parameter estimation improves if we use available information from EM data. We do this by investigating whether correlations exist between the GW parameters that describe these binaries and whether some of these parameters are also available from EM observations. We used verification binaries, which are known as the guaranteed sources for eLISA and will test the functioning of the instrument. We find that of the seven parameters that characterise such a binary, only a few are correlated. The most useful result is the strong correlation between amplitude and inclination, which can be used to constrain the parameter uncertainty in amplitude by making use of the constraint of inclination from EM measurements. The improvement can be up to a factor of \(\sim6.5\), but depends on the signal-to-noise ratio of the source data. Moreover, we find that this strong correlation depends on the inclination. For mildly face-on binaries (\(\iota \lesssim 45^{\circ}\)), EM data on inclination can improve the estimate of the GW amplitude by a significant factor. However, for edge-on binaries (\(\iota \sim 90^{\circ}\)), the inclination can be determined accurately from GW data alone, thus GW data can be used to select systems that will likely be eclipsing binaries for EM follow-up.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.1207.6770</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Amplitudes Binary systems Correlation Data analysis Frequency ranges Gravitation Gravitational waves Inclination LISA (antenna) Parameter estimation Parameter uncertainty Physics - Instrumentation and Methods for Astrophysics |
| title | Using electromagnetic observations to aid gravitational-wave parameter estimation of compact binaries observed with LISA |
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