On the redshift of the gamma-ray blazar PKS 0447-439: Optical spectroscopy using Gemini observations with high S/N ratio
Abstract: The BL-Lac blazar PKS 0447-439 was detected at very high energy gamma-rays by HESS following the discovery by Fermi-LAT. The lack of both emission and absorption lines in BL-Lacs make the estimation of their redshifts very difficult. Modeling the drop in gamma-ray spectra it was possib...
Guardado en:
| Autores principales: | Rovero, A.C., Donzelli, Carlos, Muriel, Hernán, Cilis, A., Pichel, A.C. |
|---|---|
| Formato: | conferenceObject |
| Lenguaje: | Inglés |
| Publicado: |
Centro Brasileiro de Pesquisas Físicas (CBPF)
2021
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/11086/18971 |
| Aporte de: |
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