Co-precession of a curved jet and compact accretion disk in M87
Fuente:
arXiv
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Preprint |
| Veröffentlicht: |
2024
|
| Schlagworte: | |
| Online-Zugang: | |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| _version_ | 1866918067040157696 |
|---|---|
| author | Cui, Yuzhu Lin, Weikang |
| author_facet | Cui, Yuzhu Lin, Weikang |
| contents | Observational constraints on the configuration of the black hole (BH)-accretion disk-jet system are crucial to understanding BH spin, accretion disk physics, and jet formation. The recently reported variation in the M87 jet position angle (PA) provides a novel avenue to explore these long-standing issues. The observed $\sim$ 11-year periodicity, spanning over two cycles, is consistent with the Lense-Thirring (LT) precession of a compact, tilted accretion disk. However, how such a compact region decouples from the larger-scale accretion flow remains an open question in current numerical simulations. The jet precession challenges the traditional view of a strictly collimated jet, revealing a subtle curvature in the jet's inner regions that dynamically links the jet to the spinning BH and successfully accounts for its unexpectedly wide inner projected profile. While continued long-term observations are needed to distinguish coherent precession from stochastic fluctuations in the disk or jet orientation, these results open a new window for probing BH systems through coordinated multi-scale observations and follow-on theoretical models. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_10965 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Co-precession of a curved jet and compact accretion disk in M87 Cui, Yuzhu Lin, Weikang High Energy Astrophysical Phenomena Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies Observational constraints on the configuration of the black hole (BH)-accretion disk-jet system are crucial to understanding BH spin, accretion disk physics, and jet formation. The recently reported variation in the M87 jet position angle (PA) provides a novel avenue to explore these long-standing issues. The observed $\sim$ 11-year periodicity, spanning over two cycles, is consistent with the Lense-Thirring (LT) precession of a compact, tilted accretion disk. However, how such a compact region decouples from the larger-scale accretion flow remains an open question in current numerical simulations. The jet precession challenges the traditional view of a strictly collimated jet, revealing a subtle curvature in the jet's inner regions that dynamically links the jet to the spinning BH and successfully accounts for its unexpectedly wide inner projected profile. While continued long-term observations are needed to distinguish coherent precession from stochastic fluctuations in the disk or jet orientation, these results open a new window for probing BH systems through coordinated multi-scale observations and follow-on theoretical models. |
| title | Co-precession of a curved jet and compact accretion disk in M87 |
| topic | High Energy Astrophysical Phenomena Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies |
| url | https://arxiv.org/abs/2410.10965 |