A preliminary forecast for cosmological parameter estimation with gravitational-wave standard sirens from TianQin
TianQin is a space-based gravitational-wave observatory scheduled to be launched in the 2030s. In this work, we make a preliminary forecast for the cosmological parameter estimation with the gravitational-wave standard siren observation from TianQin. We simulate the standard siren data of TianQin ba...
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| creator | Ling-Feng, Wang Ze-Wei Zhao Jing-Fei, Zhang Zhang, Xin |
| description | TianQin is a space-based gravitational-wave observatory scheduled to be launched in the 2030s. In this work, we make a preliminary forecast for the cosmological parameter estimation with the gravitational-wave standard siren observation from TianQin. We simulate the standard siren data of TianQin based on its 5-year observation after the completion of construction. In the simulation, three models for the population of massive black hole binary (MBHB), i.e., pop III, Q3nod, and Q3d, are considered to predict the event numbers of MBHB mergers. We find that: (i) among the three MBHB models, the Q3nod model can provide the tightest constraints on the cosmological parameters; (ii) TianQin's standard siren observation can effectively break the parameter degeneracies inherent in the cosmic microwave background observation; and (iii) the future standard siren observation from TianQin can significantly improve the cosmological parameter estimation under the current mainstream electromagnetic observations. |
| doi_str_mv | 10.48550/arxiv.1907.01838 |
| format | Article |
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In this work, we make a preliminary forecast for the cosmological parameter estimation with the gravitational-wave standard siren observation from TianQin. We simulate the standard siren data of TianQin based on its 5-year observation after the completion of construction. In the simulation, three models for the population of massive black hole binary (MBHB), i.e., pop III, Q3nod, and Q3d, are considered to predict the event numbers of MBHB mergers. We find that: (i) among the three MBHB models, the Q3nod model can provide the tightest constraints on the cosmological parameters; (ii) TianQin's standard siren observation can effectively break the parameter degeneracies inherent in the cosmic microwave background observation; and (iii) the future standard siren observation from TianQin can significantly improve the cosmological parameter estimation under the current mainstream electromagnetic observations.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.1907.01838</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Computer simulation ; Constraint modelling ; Gravitation ; Gravitational waves ; Growth models ; Parameter estimation ; Physics - Cosmology and Nongalactic Astrophysics ; Physics - General Relativity and Quantum Cosmology ; Physics - High Energy Physics - Phenomenology ; Sirens</subject><ispartof>arXiv.org, 2020-11</ispartof><rights>2020. 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We find that: (i) among the three MBHB models, the Q3nod model can provide the tightest constraints on the cosmological parameters; (ii) TianQin's standard siren observation can effectively break the parameter degeneracies inherent in the cosmic microwave background observation; and (iii) the future standard siren observation from TianQin can significantly improve the cosmological parameter estimation under the current mainstream electromagnetic observations.</description><subject>Computer simulation</subject><subject>Constraint modelling</subject><subject>Gravitation</subject><subject>Gravitational waves</subject><subject>Growth models</subject><subject>Parameter estimation</subject><subject>Physics - Cosmology and Nongalactic Astrophysics</subject><subject>Physics - General Relativity and Quantum Cosmology</subject><subject>Physics - High Energy Physics - Phenomenology</subject><subject>Sirens</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</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>eNotkF1rwjAYhcNgMHH-gF0tsOu6fLbppcg-BGEMvC9v08RF2qYmUee_X9VdvYeXw-GcB6EnSuZCSUleIfy645yWpJgTqri6QxPGOc2UYOwBzWLcEUJYXjAp-QTtF3gIpnWd6yGcsfXBaIjpIrD2sfOt3zoNLR4gQGeSCdjE5DpIzvf45NIP3gY4unR9QJud4GhwTNA3EBocXTB9xDb4Dm8c9N-uf0T3FtpoZv93ijbvb5vlZ7b--lgtF-sMJGOZ5hyY1bkpBaGFtiUvDCmKWjAqbV6XorTcGELB5rRWmhKtmjKvua25kSJv-BQ932KvPKohjJ3Dubpwqa5cRsfLzTEEvz-Mq6qdP4RxQ6wYk1QJrgjjf1gxaHU</recordid><startdate>20201110</startdate><enddate>20201110</enddate><creator>Ling-Feng, Wang</creator><creator>Ze-Wei Zhao</creator><creator>Jing-Fei, Zhang</creator><creator>Zhang, Xin</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>20201110</creationdate><title>A preliminary forecast for cosmological parameter estimation with gravitational-wave standard sirens from TianQin</title><author>Ling-Feng, Wang ; 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In this work, we make a preliminary forecast for the cosmological parameter estimation with the gravitational-wave standard siren observation from TianQin. We simulate the standard siren data of TianQin based on its 5-year observation after the completion of construction. In the simulation, three models for the population of massive black hole binary (MBHB), i.e., pop III, Q3nod, and Q3d, are considered to predict the event numbers of MBHB mergers. We find that: (i) among the three MBHB models, the Q3nod model can provide the tightest constraints on the cosmological parameters; (ii) TianQin's standard siren observation can effectively break the parameter degeneracies inherent in the cosmic microwave background observation; and (iii) the future standard siren observation from TianQin can significantly improve the cosmological parameter estimation under the current mainstream electromagnetic observations.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.1907.01838</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Computer simulation Constraint modelling Gravitation Gravitational waves Growth models Parameter estimation Physics - Cosmology and Nongalactic Astrophysics Physics - General Relativity and Quantum Cosmology Physics - High Energy Physics - Phenomenology Sirens |
| title | A preliminary forecast for cosmological parameter estimation with gravitational-wave standard sirens from TianQin |
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