Gaia Sees Blazars Move: Locating Optical Flares Using Astrometry
When blazars flare, their optical position moves. We show this by combining Gaia DR3 proper motions with epoch photometry for blazars with strong optical jet emission. In 60 of 74 sources with significant proper motion, rising flux drives the centroid upstream while fading flux drives it downstream—...
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| Autor principal: | |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
IOP Publishing
2026-01-01
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| coleção: | The Astrophysical Journal Letters |
| Assuntos: | |
| Acesso em linha: | https://doi.org/10.3847/2041-8213/ae84d1 |
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