2021
DOI: 10.48550/arxiv.2109.00901
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Gerald Cecil,
Alexander Y. Wagner,
Joss Bland-Hawthorn
et al.

Abstract: MeerKAT radio continuum and XMM-Newton X-ray images have recently revealed a spectacular bipolar channel at the Galactic Center that spans several degrees (∼ 0.5 kpc). An intermittent jet likely formed this channel and is consistent with earlier evidence of a sustained, Seyfert-level outburst fueled by black-hole accretion onto Sgr A * several Myr ago. Therefore, to trace an intermittent jet that perhaps penetrated, deflected, and percolated along multiple paths through the interstellar medium, relevant intera… Show more

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Cited by 2 publications
(3 citation statements)
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References 77 publications
(99 reference statements)
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“…Several recent works have shown strong evidence for an accretion-fed jet-type (collimated) event at the origin of the FBs, similar to jets in AGNs despite orders of magnitude of difference in power (e.g. [21,22]). The jets are collimated by the dense gas from the Central Molecular Zone (CMZ), which explains the FBs orientation at right angle from the Plane.…”
Section: The East-west Asymmetrymentioning
confidence: 91%
See 1 more Smart Citation
“…Several recent works have shown strong evidence for an accretion-fed jet-type (collimated) event at the origin of the FBs, similar to jets in AGNs despite orders of magnitude of difference in power (e.g. [21,22]). The jets are collimated by the dense gas from the Central Molecular Zone (CMZ), which explains the FBs orientation at right angle from the Plane.…”
Section: The East-west Asymmetrymentioning
confidence: 91%
“…A series of X-ray, radio and IR data recently confirmed the existence of powerful jet-type outflows from the central parsecs at the GC, able to feed FB-type structures and suggesting that today's FBs are the result of a particularly strong activity several Myrs ago (see e.g. [21,22]).…”
Section: The Fermi Bubbles Discoverymentioning
confidence: 99%
“…Generally speaking, the directions of SMBH jets are determined by the orientation of accretion disks and/or the black hole spins on much smaller scales and do not need to align with the rotational axis of the host galaxies. Future studies would be required to see whether this condition could be relaxed by considering tilted jets interacting with dense, multiphase interstellar medium within the Galactic disk 58 . Alternatively, such alignment may indeed be expected in low-mass, disky galaxies like the Milky Way, as shown by recent simulations 59 .…”
Section: Uncertainties and Limitations Of The Current Modelmentioning
confidence: 99%