A Face-on Accretion Disk Geometry Revealed by Millimeter-wave Periodicity in Sgr A∗
We analyzed 77 epochs of Atacama Large Millimeter/submillimeter Array archival data to investigate flux variability in Sagittarius A ^∗ , the supermassive black hole at the Galactic center. Among these, we identified a rare but unusually clear and coherent ∼52 minute sinusoidal modulation at 230 GHz...
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| Hauptverfasser: | , , , , , |
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| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
IOP Publishing
2025-01-01
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| Schriftenreihe: | The Astrophysical Journal |
| Schlagworte: | |
| Online-Zugang: | https://doi.org/10.3847/1538-4357/ae1a80 |
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