Multi-wavelength Analysis and Modeling of OJ 287 During 2017-2020

Autores
Prince, Raj; Agarwal, Aditi; Gupta, Nayantara; Majumdar, Pratik; Czerny, Bozena; Cellone, Sergio Aldo; Andruchow, Ileana
Año de publicación
2021
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Context. The blazar OJ 287 has been proposed as a binary black hole system based on its periodic optical outburst. Among blazars with parsec scale jets, the black hole binary systems are very rare and hence this source is very interesting to study. Aims. The BL Lac OJ 287 is an interesting object for multi-wavelength study due to its periodic outbursts. We have analyzed the optical, X-ray, and gamma-ray data of OJ 287 for the period of 2017-2020. There are several high states in optical-UV and X-ray frequencies during this period. Based on the observed variability in optical and X-ray frequencies the entire period 2017-2020 is divided into five segments, referred to as A, B, C, D, & E in this paper. A detailed temporal and spectral analysis is performed to understand the nature of its flaring activities. Methods. To understand the temporal variability in this source we have studied the intra-day, and fractional variability for all the various states, and along with that fast variability time was also estimated to understand the nature of variability. Further, the multi-wavelength SED modeling is performed to know more about the physical processes responsible for the simultaneous broadband emission and the fast variability. Results. The Fermi-LAT observations show a moderate flux level of this source in gamma-ray frequency throughout this period, though flux variability has been observed. The source has shown a strong flux variability in X-ray, optical, and UV during early 2017 and mid-2020 when the source was in a very high state. A single zone SSC emission model is considered to model the spectral energy distributions and this helps us to explore the nature of this BL Lac with binary super-massive black holes.
Fil: Prince, Raj. Polish Academy of Sciences; Polonia
Fil: Agarwal, Aditi. Raman Research Institute; India
Fil: Gupta, Nayantara. Raman Research Institute; India
Fil: Majumdar, Pratik. Saha Institute Of Nuclear Physics; India
Fil: Czerny, Bozena. Polish Academy of Sciences; Polonia
Fil: Cellone, Sergio Aldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Complejo Astronómico "El Leoncito". Universidad Nacional de Córdoba. Complejo Astronómico "El Leoncito". Universidad Nacional de la Plata. Complejo Astronómico "El Leoncito". Universidad Nacional de San Juan. Complejo Astronómico "El Leoncito"; Argentina
Fil: Andruchow, Ileana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina
Materia
galaxies: active
gamma rays
galaxies; individuals: OJ 287
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/172995
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Multi-wavelength Analysis and Modeling of OJ 287 During 2017-2020Prince, RajAgarwal, AditiGupta, NayantaraMajumdar, PratikCzerny, BozenaCellone, Sergio AldoAndruchow, Ileanagalaxies: activegamma raysgalaxies; individuals: OJ 287https://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1Context. The blazar OJ 287 has been proposed as a binary black hole system based on its periodic optical outburst. Among blazars with parsec scale jets, the black hole binary systems are very rare and hence this source is very interesting to study. Aims. The BL Lac OJ 287 is an interesting object for multi-wavelength study due to its periodic outbursts. We have analyzed the optical, X-ray, and gamma-ray data of OJ 287 for the period of 2017-2020. There are several high states in optical-UV and X-ray frequencies during this period. Based on the observed variability in optical and X-ray frequencies the entire period 2017-2020 is divided into five segments, referred to as A, B, C, D, & E in this paper. A detailed temporal and spectral analysis is performed to understand the nature of its flaring activities. Methods. To understand the temporal variability in this source we have studied the intra-day, and fractional variability for all the various states, and along with that fast variability time was also estimated to understand the nature of variability. Further, the multi-wavelength SED modeling is performed to know more about the physical processes responsible for the simultaneous broadband emission and the fast variability. Results. The Fermi-LAT observations show a moderate flux level of this source in gamma-ray frequency throughout this period, though flux variability has been observed. The source has shown a strong flux variability in X-ray, optical, and UV during early 2017 and mid-2020 when the source was in a very high state. A single zone SSC emission model is considered to model the spectral energy distributions and this helps us to explore the nature of this BL Lac with binary super-massive black holes.Fil: Prince, Raj. Polish Academy of Sciences; PoloniaFil: Agarwal, Aditi. Raman Research Institute; IndiaFil: Gupta, Nayantara. Raman Research Institute; IndiaFil: Majumdar, Pratik. Saha Institute Of Nuclear Physics; IndiaFil: Czerny, Bozena. Polish Academy of Sciences; PoloniaFil: Cellone, Sergio Aldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Complejo Astronómico "El Leoncito". Universidad Nacional de Córdoba. Complejo Astronómico "El Leoncito". Universidad Nacional de la Plata. Complejo Astronómico "El Leoncito". Universidad Nacional de San Juan. Complejo Astronómico "El Leoncito"; ArgentinaFil: Andruchow, Ileana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; ArgentinaEDP Sciences2021-10info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/172995Prince, Raj; Agarwal, Aditi; Gupta, Nayantara; Majumdar, Pratik; Czerny, Bozena; et al.; Multi-wavelength Analysis and Modeling of OJ 287 During 2017-2020; EDP Sciences; Astronomy and Astrophysics; 654; A38; 10-2021; 1-140004-6361CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1051/0004-6361/202140708info:eu-repo/semantics/altIdentifier/url/https://www.aanda.org/articles/aa/full_html/2021/10/aa40708-21/aa40708-21.htmlinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T12:12:42Zoai:ri.conicet.gov.ar:11336/172995instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 12:12:43.008CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Multi-wavelength Analysis and Modeling of OJ 287 During 2017-2020
title Multi-wavelength Analysis and Modeling of OJ 287 During 2017-2020
spellingShingle Multi-wavelength Analysis and Modeling of OJ 287 During 2017-2020
Prince, Raj
galaxies: active
gamma rays
galaxies; individuals: OJ 287
title_short Multi-wavelength Analysis and Modeling of OJ 287 During 2017-2020
title_full Multi-wavelength Analysis and Modeling of OJ 287 During 2017-2020
title_fullStr Multi-wavelength Analysis and Modeling of OJ 287 During 2017-2020
title_full_unstemmed Multi-wavelength Analysis and Modeling of OJ 287 During 2017-2020
title_sort Multi-wavelength Analysis and Modeling of OJ 287 During 2017-2020
dc.creator.none.fl_str_mv Prince, Raj
Agarwal, Aditi
Gupta, Nayantara
Majumdar, Pratik
Czerny, Bozena
Cellone, Sergio Aldo
Andruchow, Ileana
author Prince, Raj
author_facet Prince, Raj
Agarwal, Aditi
Gupta, Nayantara
Majumdar, Pratik
Czerny, Bozena
Cellone, Sergio Aldo
Andruchow, Ileana
author_role author
author2 Agarwal, Aditi
Gupta, Nayantara
Majumdar, Pratik
Czerny, Bozena
Cellone, Sergio Aldo
Andruchow, Ileana
author2_role author
author
author
author
author
author
dc.subject.none.fl_str_mv galaxies: active
gamma rays
galaxies; individuals: OJ 287
topic galaxies: active
gamma rays
galaxies; individuals: OJ 287
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Context. The blazar OJ 287 has been proposed as a binary black hole system based on its periodic optical outburst. Among blazars with parsec scale jets, the black hole binary systems are very rare and hence this source is very interesting to study. Aims. The BL Lac OJ 287 is an interesting object for multi-wavelength study due to its periodic outbursts. We have analyzed the optical, X-ray, and gamma-ray data of OJ 287 for the period of 2017-2020. There are several high states in optical-UV and X-ray frequencies during this period. Based on the observed variability in optical and X-ray frequencies the entire period 2017-2020 is divided into five segments, referred to as A, B, C, D, & E in this paper. A detailed temporal and spectral analysis is performed to understand the nature of its flaring activities. Methods. To understand the temporal variability in this source we have studied the intra-day, and fractional variability for all the various states, and along with that fast variability time was also estimated to understand the nature of variability. Further, the multi-wavelength SED modeling is performed to know more about the physical processes responsible for the simultaneous broadband emission and the fast variability. Results. The Fermi-LAT observations show a moderate flux level of this source in gamma-ray frequency throughout this period, though flux variability has been observed. The source has shown a strong flux variability in X-ray, optical, and UV during early 2017 and mid-2020 when the source was in a very high state. A single zone SSC emission model is considered to model the spectral energy distributions and this helps us to explore the nature of this BL Lac with binary super-massive black holes.
Fil: Prince, Raj. Polish Academy of Sciences; Polonia
Fil: Agarwal, Aditi. Raman Research Institute; India
Fil: Gupta, Nayantara. Raman Research Institute; India
Fil: Majumdar, Pratik. Saha Institute Of Nuclear Physics; India
Fil: Czerny, Bozena. Polish Academy of Sciences; Polonia
Fil: Cellone, Sergio Aldo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan. Complejo Astronómico "El Leoncito". Universidad Nacional de Córdoba. Complejo Astronómico "El Leoncito". Universidad Nacional de la Plata. Complejo Astronómico "El Leoncito". Universidad Nacional de San Juan. Complejo Astronómico "El Leoncito"; Argentina
Fil: Andruchow, Ileana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Astrofísica La Plata. Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas. Instituto de Astrofísica La Plata; Argentina
description Context. The blazar OJ 287 has been proposed as a binary black hole system based on its periodic optical outburst. Among blazars with parsec scale jets, the black hole binary systems are very rare and hence this source is very interesting to study. Aims. The BL Lac OJ 287 is an interesting object for multi-wavelength study due to its periodic outbursts. We have analyzed the optical, X-ray, and gamma-ray data of OJ 287 for the period of 2017-2020. There are several high states in optical-UV and X-ray frequencies during this period. Based on the observed variability in optical and X-ray frequencies the entire period 2017-2020 is divided into five segments, referred to as A, B, C, D, & E in this paper. A detailed temporal and spectral analysis is performed to understand the nature of its flaring activities. Methods. To understand the temporal variability in this source we have studied the intra-day, and fractional variability for all the various states, and along with that fast variability time was also estimated to understand the nature of variability. Further, the multi-wavelength SED modeling is performed to know more about the physical processes responsible for the simultaneous broadband emission and the fast variability. Results. The Fermi-LAT observations show a moderate flux level of this source in gamma-ray frequency throughout this period, though flux variability has been observed. The source has shown a strong flux variability in X-ray, optical, and UV during early 2017 and mid-2020 when the source was in a very high state. A single zone SSC emission model is considered to model the spectral energy distributions and this helps us to explore the nature of this BL Lac with binary super-massive black holes.
publishDate 2021
dc.date.none.fl_str_mv 2021-10
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/172995
Prince, Raj; Agarwal, Aditi; Gupta, Nayantara; Majumdar, Pratik; Czerny, Bozena; et al.; Multi-wavelength Analysis and Modeling of OJ 287 During 2017-2020; EDP Sciences; Astronomy and Astrophysics; 654; A38; 10-2021; 1-14
0004-6361
CONICET Digital
CONICET
url http://hdl.handle.net/11336/172995
identifier_str_mv Prince, Raj; Agarwal, Aditi; Gupta, Nayantara; Majumdar, Pratik; Czerny, Bozena; et al.; Multi-wavelength Analysis and Modeling of OJ 287 During 2017-2020; EDP Sciences; Astronomy and Astrophysics; 654; A38; 10-2021; 1-14
0004-6361
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1051/0004-6361/202140708
info:eu-repo/semantics/altIdentifier/url/https://www.aanda.org/articles/aa/full_html/2021/10/aa40708-21/aa40708-21.html
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
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eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv EDP Sciences
publisher.none.fl_str_mv EDP Sciences
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
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instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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