Evento
Search for rapid radio variability in a sample of gamma-ray emitting blazars with the radio telescopes of IAR
Colaboradores:
Rohrmann, Rene Daniel
; Gomez, Mercedes Nieves
; Boeris, Claudia Evelina
; Sgró, Mario Agustín
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Tipo del evento:
Reunión
Nombre del evento:
63° Reunión Anual de la Asociación Argentina de Astronomía
Fecha del evento:
25/10/2021
Institución Organizadora:
Universidad Nacional de Córdoba;
Título de la revista:
Boletín de la Asociación Argentina de Astronomía
Editorial:
Asociación Argentina de Astronomía
ISSN:
0571-3285
e-ISSN:
1669-9521
Idioma:
Inglés
Clasificación temática:
Resumen
Blazars - active galactic nuclei in which one of the jets is pointing toward the observer - show flux density variations throughout the entire electromagnetic spectrum on time scales ranging from minutes to years. The occurrence of gamma-ray emission in these objects indicates the presence of populations of relativistic particles. Such particles should also emit in radio frequencies by synchrotron mechanism. The investigation of microvariability at radio-wavelengths can provide information about the non-thermal processes that occur inside the relativistic jets. We present results of 1.4-GHz variability observations of a sample of blazars, selected because of their strong gamma-ray emission. The observational campaign was carried out in February, 2021, using the upgraded Esteban Bajaja radio telescope of the Instituto Argentino de Radioastronomía.
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Eventos(IAR)
Eventos de INST.ARG.DE RADIOASTRONOMIA (I)
Eventos de INST.ARG.DE RADIOASTRONOMIA (I)
Citación
Search for rapid radio variability in a sample of gamma-ray emitting blazars with the radio telescopes of IAR; 63° Reunión Anual de la Asociación Argentina de Astronomía; Córdoba; Argentina; 2021; 280-282
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