Distinguishing radiation mechanisms and particle populations in blazar jets through long-term multiband monitoring with RINGO3 and Fermi
We present the results of seven years of multicolour photometric monitoring of a sample of 31 \gamma-ray bright blazars using the RINGO3 polarimeter on the Liverpool Telescope from 2013–2020. We explore the relationships between simultaneous observations of flux in three optical wavebands along with...
| Autores: | , , , , , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2024 |
| País: | España |
| Institución: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repositorio: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/371405 |
| Acceso en línea: | http://hdl.handle.net/10261/371405 |
| Access Level: | acceso abierto |
| Palabra clave: | Galaxies: active BL Lacertae objects: general Galaxies: jets Galaxies: photometry Quasars: general |
| Sumario: | We present the results of seven years of multicolour photometric monitoring of a sample of 31 \gamma-ray bright blazars using the RINGO3 polarimeter on the Liverpool Telescope from 2013–2020. We explore the relationships between simultaneous observations of flux in three optical wavebands along with Fermi\gamma-ray data in order to explore the radiation mechanisms and particle populations in blazar jets. We find significant correlations between optical and \gamma-ray flux with no detectable time lag, suggesting leptonic emission processes in the jets of these sources. Furthermore, we find the spectral behaviour against optical and \gamma-ray flux for many sources is best fit logarithmically. This is suggestive of a transition between bluer-/redder-when-brighter into stable-when-brighter behaviour during high activity states; a behaviour that might be missed in poorly sampled data, resulting in apparent linear relationships. ©2024 The Author(s). Published by Oxford University Press on behalf of Royal Astronomical Society. |
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