Exploring the association of Fermi sources with Young Stellar Objects
- Autores
- Munar-Adrover, P.; Paredes, J. M.; Romero, Gustavo Esteban
- Año de publicación
- 2010
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Massive protostars have associated bipolar outflows which can produce strong shocks when interact with the surrounding medium. Some theoretical models predict that particle acceleration at relativistic velocities can occur leading to gamma ray emission. In order to identify young stellar objects (YSO) that might emit gamma rays, we have crossed the Fermi First Year Catalog with catalogs of known YSOs, obtaining a set of candidates by spatial correlation. We have conducted Montecarlo simulations to find the probability of chance coincidence. Our results indicate that ∼70% of the candidates should be gamma-ray sources with a confidence of ∼5ρ. σ International Astronomical Union 2011.
Instituto Argentino de Radioastronomía - Materia
-
Ciencias Astronómicas
Gamma rays: observations
ISM: jets and outflows
Stars: early-type - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-sa/4.0/
- Repositorio
.jpg)
- Institución
- Universidad Nacional de La Plata
- OAI Identificador
- oai:sedici.unlp.edu.ar:10915/82416
Ver los metadatos del registro completo
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Exploring the association of Fermi sources with Young Stellar ObjectsMunar-Adrover, P.Paredes, J. M.Romero, Gustavo EstebanCiencias AstronómicasGamma rays: observationsISM: jets and outflowsStars: early-typeMassive protostars have associated bipolar outflows which can produce strong shocks when interact with the surrounding medium. Some theoretical models predict that particle acceleration at relativistic velocities can occur leading to gamma ray emission. In order to identify young stellar objects (YSO) that might emit gamma rays, we have crossed the Fermi First Year Catalog with catalogs of known YSOs, obtaining a set of candidates by spatial correlation. We have conducted Montecarlo simulations to find the probability of chance coincidence. Our results indicate that ∼70% of the candidates should be gamma-ray sources with a confidence of ∼5ρ. σ International Astronomical Union 2011.Instituto Argentino de Radioastronomía2010info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf406-407http://sedici.unlp.edu.ar/handle/10915/82416enginfo:eu-repo/semantics/altIdentifier/issn/17439213info:eu-repo/semantics/altIdentifier/doi/10.1017/S1743921310016509info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-09-03T10:47:46Zoai:sedici.unlp.edu.ar:10915/82416Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-09-03 10:47:46.463SEDICI (UNLP) - Universidad Nacional de La Platafalse |
| dc.title.none.fl_str_mv |
Exploring the association of Fermi sources with Young Stellar Objects |
| title |
Exploring the association of Fermi sources with Young Stellar Objects |
| spellingShingle |
Exploring the association of Fermi sources with Young Stellar Objects Munar-Adrover, P. Ciencias Astronómicas Gamma rays: observations ISM: jets and outflows Stars: early-type |
| title_short |
Exploring the association of Fermi sources with Young Stellar Objects |
| title_full |
Exploring the association of Fermi sources with Young Stellar Objects |
| title_fullStr |
Exploring the association of Fermi sources with Young Stellar Objects |
| title_full_unstemmed |
Exploring the association of Fermi sources with Young Stellar Objects |
| title_sort |
Exploring the association of Fermi sources with Young Stellar Objects |
| dc.creator.none.fl_str_mv |
Munar-Adrover, P. Paredes, J. M. Romero, Gustavo Esteban |
| author |
Munar-Adrover, P. |
| author_facet |
Munar-Adrover, P. Paredes, J. M. Romero, Gustavo Esteban |
| author_role |
author |
| author2 |
Paredes, J. M. Romero, Gustavo Esteban |
| author2_role |
author author |
| dc.subject.none.fl_str_mv |
Ciencias Astronómicas Gamma rays: observations ISM: jets and outflows Stars: early-type |
| topic |
Ciencias Astronómicas Gamma rays: observations ISM: jets and outflows Stars: early-type |
| dc.description.none.fl_txt_mv |
Massive protostars have associated bipolar outflows which can produce strong shocks when interact with the surrounding medium. Some theoretical models predict that particle acceleration at relativistic velocities can occur leading to gamma ray emission. In order to identify young stellar objects (YSO) that might emit gamma rays, we have crossed the Fermi First Year Catalog with catalogs of known YSOs, obtaining a set of candidates by spatial correlation. We have conducted Montecarlo simulations to find the probability of chance coincidence. Our results indicate that ∼70% of the candidates should be gamma-ray sources with a confidence of ∼5ρ. σ International Astronomical Union 2011. Instituto Argentino de Radioastronomía |
| description |
Massive protostars have associated bipolar outflows which can produce strong shocks when interact with the surrounding medium. Some theoretical models predict that particle acceleration at relativistic velocities can occur leading to gamma ray emission. In order to identify young stellar objects (YSO) that might emit gamma rays, we have crossed the Fermi First Year Catalog with catalogs of known YSOs, obtaining a set of candidates by spatial correlation. We have conducted Montecarlo simulations to find the probability of chance coincidence. Our results indicate that ∼70% of the candidates should be gamma-ray sources with a confidence of ∼5ρ. σ International Astronomical Union 2011. |
| publishDate |
2010 |
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2010 |
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article |
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publishedVersion |
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http://sedici.unlp.edu.ar/handle/10915/82416 |
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eng |
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eng |
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