Chirping compact stars: gravitational radiation and detection degeneracy with binaries
ABSTRACT:Abstract. Compressible, Riemann S-type ellipsoids can emit gravitational waves (GWs) with a chirp-like behavior (hereafter chirping ellipsoids, CELs). We show that the GW frequency amplitude evolution of CELs (mass ∼ 1 M⊙, radius ∼ 103 km, polytropic equation of state with index n ≈ 3) is i...
- Autores:
-
Zuluaga Callejas, Jorge Iván
Rodríguez, José Fernando
Rueda, Jorge A.
Ruffini, Remo
Blanco Iglesias, José Miguel
Lorén Aguilar, Pablo
- Tipo de recurso:
- Article of investigation
- Fecha de publicación:
- 2023
- Institución:
- Universidad de Antioquia
- Repositorio:
- Repositorio UdeA
- Idioma:
- eng
- OAI Identifier:
- oai:bibliotecadigital.udea.edu.co:10495/40419
- Acceso en línea:
- https://hdl.handle.net/10495/40419
- Palabra clave:
- Estrellas
Stars
Radiación gravitacional
Gravitational radiation
- Rights
- openAccess
- License
- http://creativecommons.org/licenses/by-nc-sa/2.5/co/
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Chirping compact stars: gravitational radiation and detection degeneracy with binaries |
| title |
Chirping compact stars: gravitational radiation and detection degeneracy with binaries |
| spellingShingle |
Chirping compact stars: gravitational radiation and detection degeneracy with binaries Estrellas Stars Radiación gravitacional Gravitational radiation |
| title_short |
Chirping compact stars: gravitational radiation and detection degeneracy with binaries |
| title_full |
Chirping compact stars: gravitational radiation and detection degeneracy with binaries |
| title_fullStr |
Chirping compact stars: gravitational radiation and detection degeneracy with binaries |
| title_full_unstemmed |
Chirping compact stars: gravitational radiation and detection degeneracy with binaries |
| title_sort |
Chirping compact stars: gravitational radiation and detection degeneracy with binaries |
| dc.creator.fl_str_mv |
Zuluaga Callejas, Jorge Iván Rodríguez, José Fernando Rueda, Jorge A. Ruffini, Remo Blanco Iglesias, José Miguel Lorén Aguilar, Pablo |
| dc.contributor.author.none.fl_str_mv |
Zuluaga Callejas, Jorge Iván Rodríguez, José Fernando Rueda, Jorge A. Ruffini, Remo Blanco Iglesias, José Miguel Lorén Aguilar, Pablo |
| dc.contributor.researchgroup.spa.fl_str_mv |
Grupo de Física y Astrofísica Computacional (FACOM) |
| dc.subject.lemb.none.fl_str_mv |
Estrellas Stars Radiación gravitacional Gravitational radiation |
| topic |
Estrellas Stars Radiación gravitacional Gravitational radiation |
| description |
ABSTRACT:Abstract. Compressible, Riemann S-type ellipsoids can emit gravitational waves (GWs) with a chirp-like behavior (hereafter chirping ellipsoids, CELs). We show that the GW frequency amplitude evolution of CELs (mass ∼ 1 M⊙, radius ∼ 103 km, polytropic equation of state with index n ≈ 3) is indistinguishable from that emitted by double white dwarfs and by extreme mass-ratio inspirals (EMRIs) composed of an intermediate-mass (e.g. 103 M⊙) black hole and a planet-like (e.g. 10−4 M⊙) companion, in the frequency interval within the detector sensitivity band in which the GW emission of these systems is quasi-monochromatic. For reasonable astrophysical assumptions, the local universe density rate of CELs, double white dwarfs, and EMRIs in the mass range here considered are very similar, posing a detection degeneracy challenge for space-based GW detectors. We outline the astrophysical implications of this CEL-binary detection degeneracy by space-based GW-detection facilities. |
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2023 |
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2023 |
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2024-07-05T20:13:05Z |
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2024-07-05T20:13:05Z |
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http://purl.org/coar/resource_type/c_2df8fbb1 |
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Rodríguez, J. F., Rueda, J. A., Ruffini, R., Zuluaga, J. I., Blanco-Iglesias, J. M., & Lorén-Aguilar, P. (2023). Chirping compact stars: gravitational radiation and detection degeneracy with binaries. Journal of Cosmology and Astroparticle Physics, 2023(10), 17. https://doi.org/10.1088/1475-7516/2023/10/017 |
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https://hdl.handle.net/10495/40419 |
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10.1088/1475-7516/2023/10/017 |
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1475-7516 |
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Rodríguez, J. F., Rueda, J. A., Ruffini, R., Zuluaga, J. I., Blanco-Iglesias, J. M., & Lorén-Aguilar, P. (2023). Chirping compact stars: gravitational radiation and detection degeneracy with binaries. Journal of Cosmology and Astroparticle Physics, 2023(10), 17. https://doi.org/10.1088/1475-7516/2023/10/017 10.1088/1475-7516/2023/10/017 1475-7516 |
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https://hdl.handle.net/10495/40419 |
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eng |
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eng |
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J. Cosmol. Astropart. Phys. |
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23 |
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10 |
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1 |
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Journal of Cosmology and Astroparticle Physics |
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Zuluaga Callejas, Jorge IvánRodríguez, José FernandoRueda, Jorge A.Ruffini, RemoBlanco Iglesias, José MiguelLorén Aguilar, PabloGrupo de Física y Astrofísica Computacional (FACOM)2024-07-05T20:13:05Z2024-07-05T20:13:05Z2023Rodríguez, J. F., Rueda, J. A., Ruffini, R., Zuluaga, J. I., Blanco-Iglesias, J. M., & Lorén-Aguilar, P. (2023). Chirping compact stars: gravitational radiation and detection degeneracy with binaries. Journal of Cosmology and Astroparticle Physics, 2023(10), 17. https://doi.org/10.1088/1475-7516/2023/10/017https://hdl.handle.net/10495/4041910.1088/1475-7516/2023/10/0171475-7516ABSTRACT:Abstract. Compressible, Riemann S-type ellipsoids can emit gravitational waves (GWs) with a chirp-like behavior (hereafter chirping ellipsoids, CELs). We show that the GW frequency amplitude evolution of CELs (mass ∼ 1 M⊙, radius ∼ 103 km, polytropic equation of state with index n ≈ 3) is indistinguishable from that emitted by double white dwarfs and by extreme mass-ratio inspirals (EMRIs) composed of an intermediate-mass (e.g. 103 M⊙) black hole and a planet-like (e.g. 10−4 M⊙) companion, in the frequency interval within the detector sensitivity band in which the GW emission of these systems is quasi-monochromatic. For reasonable astrophysical assumptions, the local universe density rate of CELs, double white dwarfs, and EMRIs in the mass range here considered are very similar, posing a detection degeneracy challenge for space-based GW detectors. We outline the astrophysical implications of this CEL-binary detection degeneracy by space-based GW-detection facilities.Colombia. Ministerio de Ciencia, Tecnología e Innovación - MincienciasUniversidad Industrial de SantanderMinisterio de Cultura y DeporteCOL003826223application/pdfengIOP PublishingBristol, Inglaterrahttp://creativecommons.org/licenses/by-nc-sa/2.5/co/https://creativecommons.org/licenses/by-nc-sa/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Chirping compact stars: gravitational radiation and detection degeneracy with binariesArtículo de investigaciónhttp://purl.org/coar/resource_type/c_2df8fbb1https://purl.org/redcol/resource_type/ARThttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionEstrellasStarsRadiación gravitacionalGravitational radiationJ. Cosmol. Astropart. 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