Characterization of ultrashort binary systems
El estudio analiza los cambios de periodicidad en sistemas binarios de periodo ultracorto usando curvas de luz del sondeo OGLE. Se compararon dos métodos para medir estos cambios: ventanas de observación completas y mitades de ventanas. Los resultados muestran que las ventanas completas son más conf...
- Autores:
-
Cortina López, Damián
- Tipo de recurso:
- Trabajo de grado de pregrado
- Fecha de publicación:
- 2024
- Institución:
- Universidad de los Andes
- Repositorio:
- Séneca: repositorio Uniandes
- Idioma:
- eng
- OAI Identifier:
- oai:repositorio.uniandes.edu.co:1992/75267
- Acceso en línea:
- https://hdl.handle.net/1992/75267
- Palabra clave:
- Sistemas binarios de periodo ultracorto
Curvas de luz
Ventanas de observación
Movimiento apsidal
Cuadrupolo gravitacional
OGLE
Lomb-Scargle
Física
- Rights
- openAccess
- License
- Attribution-NonCommercial-NoDerivatives 4.0 International
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dc.title.eng.fl_str_mv |
Characterization of ultrashort binary systems |
dc.title.alternative.spa.fl_str_mv |
Caracterización de sistemas binarios de período ultracorto |
title |
Characterization of ultrashort binary systems |
spellingShingle |
Characterization of ultrashort binary systems Sistemas binarios de periodo ultracorto Curvas de luz Ventanas de observación Movimiento apsidal Cuadrupolo gravitacional OGLE Lomb-Scargle Física |
title_short |
Characterization of ultrashort binary systems |
title_full |
Characterization of ultrashort binary systems |
title_fullStr |
Characterization of ultrashort binary systems |
title_full_unstemmed |
Characterization of ultrashort binary systems |
title_sort |
Characterization of ultrashort binary systems |
dc.creator.fl_str_mv |
Cortina López, Damián |
dc.contributor.advisor.none.fl_str_mv |
García Varela, José Alejandro |
dc.contributor.author.none.fl_str_mv |
Cortina López, Damián |
dc.contributor.jury.none.fl_str_mv |
Sabogal Martínez, Beatriz Eugenia |
dc.contributor.researchgroup.none.fl_str_mv |
Facultad de Ciencias::Astrofísica |
dc.subject.keyword.spa.fl_str_mv |
Sistemas binarios de periodo ultracorto Curvas de luz Ventanas de observación Movimiento apsidal Cuadrupolo gravitacional |
topic |
Sistemas binarios de periodo ultracorto Curvas de luz Ventanas de observación Movimiento apsidal Cuadrupolo gravitacional OGLE Lomb-Scargle Física |
dc.subject.keyword.none.fl_str_mv |
OGLE |
dc.subject.keyword.eng.fl_str_mv |
Lomb-Scargle |
dc.subject.themes.spa.fl_str_mv |
Física |
description |
El estudio analiza los cambios de periodicidad en sistemas binarios de periodo ultracorto usando curvas de luz del sondeo OGLE. Se compararon dos métodos para medir estos cambios: ventanas de observación completas y mitades de ventanas. Los resultados muestran que las ventanas completas son más confiables, especialmente con datos escasos o irregulares. Se destacan los promedios ponderados para calcular límites de periodo al reducir el impacto de valores atípicos. Se descartaron estrellas sin periodos detectables, cambios insignificantes (<10E-9) o inconsistencias manuales, quedando 22 candidatos: 14 W UMa, 4 β Lyr y 4 binarias ELL. De ellas, 10 muestran aumento de periodo, 6 disminución y 6 cambios cíclicos. Los cambios cíclicos, en estrellas tipo A y F de baja metalicidad, se atribuyen al movimiento apsidal, descartando la influencia de un tercer cuerpo. |
publishDate |
2024 |
dc.date.accessioned.none.fl_str_mv |
2024-12-12T13:57:42Z |
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2024-12-12T13:57:42Z |
dc.date.issued.none.fl_str_mv |
2024-12-10 |
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Trabajo de grado - Pregrado |
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info:eu-repo/semantics/bachelorThesis |
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eng |
language |
eng |
dc.relation.references.none.fl_str_mv |
Bozkurt, Z. and Değirmenci, O. L. (2007). Triple systems showing apsidal motion. MNRAS, 379:370 Carroll, W. B. and Ostlie, D. A. (2007). An Introduction to Modern Astrophysics Chesneau, O., Millour, F., De Marco, O., et al. (2014). V838 Monocerotis: the central star and its environment a decade after outburst. A&A, 569(L3) Draper, N. R. and Smith, H. (1998). Applied Regression Analysis Eyer, L., Rimoldini, L., Audard, M., et al. (2019). Gaia Data Release 2. Variable stars in the colour-absolute magnitude diagram. A&A, 623(A110) Ferreira, T., Saito, R. K., Minniti, D., et al. (2019). The asymptotic evolution of the stellar merger V1309 Sco: a Blue Straggler in the making? MNRAS, 420(1220) Kallrath, J. and Milone, E. F. (2009). Eclipsing Binary Stars: Modeling and Analysis Karttunen, H., Kröger, P., Oja, H., et al. (1989). Fundamental Astronomy Lanza, A. F., Rodono, M., and Rosner, R. (1998). Orbital period modulation and magnetic cycles in close binaries. MNRAS, 296:893 Loebman, S. R., Wisniewski, J. P., Schmidt, S. J., et al. (2015). The continued optical to mid-IR evolution of V838 Monocerotis. A&A, 149(17) Marconi, G., Andreuzzi, G., Cassisi, S., et al. (2001). Mass segregation of different populations inside the cluster NGC6101. A&A, 380:478 Mason, E., Díaz, M., Williams, R. E., et al. (2010). The peculiar nova V1309 Sco/Nova Sco 2008 A candidate twin of V838 Mon. A&A, 516(A108) Massey, R., Kitching, T., and Richard, J. (2010). The dark matter of gravitational lensing. Rep. Prog. Phys., 73(8) Nataf, D. M., Gould, A., Fouqué, P., et al. (2013). Reddening and extinction toward the galactic bulge from OGLE-III: The inner Milky Way’s RV ∼ 2.5 extinction curve. ApJ, 769(88) Nelemans, G., Siess, L., Repetto, S., et al. (2016). The formation of cataclysmic variables: The influence of nova eruptions. ApJ, 817(1) Pietrukowicz, P., Soszyński, I., Udalski, A., et al. (2017). Searching for Potential Mergers among 22500 Eclipsing Binary Stars in the OGLE-III Galactic Bulge Fields. Acta Astron., 67(115) Sargsyan, V., Lenske, H., Adamian, G., et al. (2019). Origin of the orbital period change in contact binary stars. IJMPE, 28(6) Song, Z. J., Liu, B., Pang, Y. W., et al. (2012). An improved Nyquist–Shannon irregular sampling theorem from local averages. MNRAS, 58(9) Soszyński, L., Pawlak, M., Pietrukowicz, P., et al. (2016). The OGLE Collection of Variable Stars. Over 450 000 Eclipsing and Ellipsoidal Binary Systems Toward the Galactic Bulge. Acta Astron., 66:405 Soszyński, L., Stępień, K., Pilecki, B., et al. (2014). Ultra-Short-Period Binary Systems in the OGLE Fields Toward the Galactic Bulge. Acta Astron., 64:1 Starrfield, S., Truran, J. W., Sparks, W. M., et al. (1972). CNO abundances and hydrodynamic models of the nova outburst. ApJ, 176:169 Sterne, T. E. (1939). Apsidal motion in binary stars. MNRAS, 99:451 Szymański, M. K. (2005). The Optical Gravitational Lensing Experiment. Internet Access to the OGLE Photometry Data Set: OGLE-II BVI maps and I-band data. Acta Astron., 55:43 Tylenda, R., Hajduk, M., Kamiński, T., et al. (2011). V1309 Scorpii: merger of a contact binary. A&A, 528(A114) Udalski, A., Szymański, M., Kałużny, J., et al. (1992). The Optical Gravitational Lensing Experiment. Acta Astron., 42:253 Udalski, A., Szymański, M. K., and Szymański, G. (2015). OGLE-IV: Fourth Phase of the Optical Gravitational Lensing Experiment. Acta Astron., 65:1 van de Kamp, P. (1961). Double Stars. PASP, 73(389) VanderPlas, J. T. (2018). Understanding the Lomb–Scargle Periodogram. ApJ, 236(16) Woodward, C. E., Evans, A., Banerjee, D. P. K., et al. (2021). The Infrared Evolution of Dust in V838 Monocerotis. ApJ, 162(183) Zavala, R. F., McNamara, B. J., Harrison, T. E., et al. (2002). The origin of cyclic period changes in close binaries: The case of the algol binary WW Cygni. AJ, 123:450 |
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García Varela, José Alejandrovirtual::21833-1Cortina López, DamiánSabogal Martínez, Beatriz EugeniaFacultad de Ciencias::Astrofísica2024-12-12T13:57:42Z2024-12-12T13:57:42Z2024-12-10https://hdl.handle.net/1992/75267instname:Universidad de los Andesreponame:Repositorio Institucional Sénecarepourl:https://repositorio.uniandes.edu.co/El estudio analiza los cambios de periodicidad en sistemas binarios de periodo ultracorto usando curvas de luz del sondeo OGLE. Se compararon dos métodos para medir estos cambios: ventanas de observación completas y mitades de ventanas. Los resultados muestran que las ventanas completas son más confiables, especialmente con datos escasos o irregulares. Se destacan los promedios ponderados para calcular límites de periodo al reducir el impacto de valores atípicos. Se descartaron estrellas sin periodos detectables, cambios insignificantes (<10E-9) o inconsistencias manuales, quedando 22 candidatos: 14 W UMa, 4 β Lyr y 4 binarias ELL. De ellas, 10 muestran aumento de periodo, 6 disminución y 6 cambios cíclicos. Los cambios cíclicos, en estrellas tipo A y F de baja metalicidad, se atribuyen al movimiento apsidal, descartando la influencia de un tercer cuerpo.PregradoSistemas binarios92 páginasapplication/pdfengUniversidad de los AndesFísicaFacultad de CienciasDepartamento de FísicaAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Characterization of ultrashort binary systemsCaracterización de sistemas binarios de período ultracortoTrabajo de grado - Pregradoinfo:eu-repo/semantics/bachelorThesisinfo:eu-repo/semantics/acceptedVersionhttp://purl.org/coar/resource_type/c_7a1fTexthttp://purl.org/redcol/resource_type/TPSistemas binarios de periodo ultracortoCurvas de luzVentanas de observaciónMovimiento apsidalCuadrupolo gravitacionalOGLELomb-ScargleFísicaBozkurt, Z. and Değirmenci, O. L. (2007). Triple systems showing apsidal motion. MNRAS, 379:370Carroll, W. B. and Ostlie, D. A. (2007). An Introduction to Modern AstrophysicsChesneau, O., Millour, F., De Marco, O., et al. (2014). V838 Monocerotis: the central star and its environment a decade after outburst. A&A, 569(L3)Draper, N. R. and Smith, H. (1998). Applied Regression AnalysisEyer, L., Rimoldini, L., Audard, M., et al. (2019). Gaia Data Release 2. Variable stars in the colour-absolute magnitude diagram. A&A, 623(A110)Ferreira, T., Saito, R. K., Minniti, D., et al. (2019). The asymptotic evolution of the stellar merger V1309 Sco: a Blue Straggler in the making? MNRAS, 420(1220)Kallrath, J. and Milone, E. F. (2009). Eclipsing Binary Stars: Modeling and AnalysisKarttunen, H., Kröger, P., Oja, H., et al. (1989). Fundamental AstronomyLanza, A. F., Rodono, M., and Rosner, R. (1998). Orbital period modulation and magnetic cycles in close binaries. MNRAS, 296:893Loebman, S. R., Wisniewski, J. P., Schmidt, S. J., et al. (2015). The continued optical to mid-IR evolution of V838 Monocerotis. A&A, 149(17)Marconi, G., Andreuzzi, G., Cassisi, S., et al. (2001). Mass segregation of different populations inside the cluster NGC6101. A&A, 380:478Mason, E., Díaz, M., Williams, R. E., et al. (2010). The peculiar nova V1309 Sco/Nova Sco 2008 A candidate twin of V838 Mon. A&A, 516(A108)Massey, R., Kitching, T., and Richard, J. (2010). The dark matter of gravitational lensing. Rep. Prog. Phys., 73(8)Nataf, D. M., Gould, A., Fouqué, P., et al. (2013). Reddening and extinction toward the galactic bulge from OGLE-III: The inner Milky Way’s RV ∼ 2.5 extinction curve. ApJ, 769(88)Nelemans, G., Siess, L., Repetto, S., et al. (2016). The formation of cataclysmic variables: The influence of nova eruptions. ApJ, 817(1)Pietrukowicz, P., Soszyński, I., Udalski, A., et al. (2017). Searching for Potential Mergers among 22500 Eclipsing Binary Stars in the OGLE-III Galactic Bulge Fields. Acta Astron., 67(115)Sargsyan, V., Lenske, H., Adamian, G., et al. (2019). Origin of the orbital period change in contact binary stars. IJMPE, 28(6)Song, Z. J., Liu, B., Pang, Y. W., et al. (2012). An improved Nyquist–Shannon irregular sampling theorem from local averages. MNRAS, 58(9)Soszyński, L., Pawlak, M., Pietrukowicz, P., et al. (2016). The OGLE Collection of Variable Stars. Over 450 000 Eclipsing and Ellipsoidal Binary Systems Toward the Galactic Bulge. Acta Astron., 66:405Soszyński, L., Stępień, K., Pilecki, B., et al. (2014). Ultra-Short-Period Binary Systems in the OGLE Fields Toward the Galactic Bulge. Acta Astron., 64:1Starrfield, S., Truran, J. W., Sparks, W. M., et al. (1972). CNO abundances and hydrodynamic models of the nova outburst. ApJ, 176:169Sterne, T. E. (1939). Apsidal motion in binary stars. MNRAS, 99:451Szymański, M. K. (2005). The Optical Gravitational Lensing Experiment. Internet Access to the OGLE Photometry Data Set: OGLE-II BVI maps and I-band data. Acta Astron., 55:43Tylenda, R., Hajduk, M., Kamiński, T., et al. (2011). V1309 Scorpii: merger of a contact binary. A&A, 528(A114)Udalski, A., Szymański, M., Kałużny, J., et al. (1992). The Optical Gravitational Lensing Experiment. Acta Astron., 42:253Udalski, A., Szymański, M. K., and Szymański, G. (2015). OGLE-IV: Fourth Phase of the Optical Gravitational Lensing Experiment. Acta Astron., 65:1van de Kamp, P. (1961). Double Stars. PASP, 73(389)VanderPlas, J. T. (2018). Understanding the Lomb–Scargle Periodogram. ApJ, 236(16)Woodward, C. E., Evans, A., Banerjee, D. P. K., et al. (2021). The Infrared Evolution of Dust in V838 Monocerotis. ApJ, 162(183)Zavala, R. F., McNamara, B. J., Harrison, T. E., et al. (2002). The origin of cyclic period changes in close binaries: The case of the algol binary WW Cygni. 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