Show simple item record

A Distinctive Disk-Jet Coupling in the Seyfert-1 Active Galactic Nucleus NGC 4051

dc.contributor.authorKing, Ashleyen_US
dc.contributor.authorMiller, J. M.en_US
dc.contributor.authorCackett, Edward M.en_US
dc.contributor.authorFabian, A. C.en_US
dc.contributor.authorMarkoff, Seraen_US
dc.contributor.authorNowak, M. A.en_US
dc.contributor.authorRupen, M. P.en_US
dc.contributor.authorGültekin, K.en_US
dc.contributor.authorReynolds, Mark T.en_US
dc.date.accessioned2012-04-06T20:58:28Z
dc.date.available2012-04-06T20:58:28Z
dc.date.issued2011en_US
dc.identifier.citationKing, A. L.; Miller, J. M.; Cackett, E. M.; Fabian, A. C.; Markoff, S.; Nowak, M. A.; Rupen, M.; Gültekin, K.; Reynolds, M. T. (2011). "A Distinctive Disk-Jet Coupling in the Seyfert-1 Active Galactic Nucleus NGC 4051." The Astrophysical Journal, vol. 729, 1, 19. <http://hdl.handle.net/2027.42/90800>en_US
dc.identifier.urihttp://stacks.iop.org/0004-637X/729/i=1/a=19en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/90800
dc.description.abstractWe report on the results of a simultaneous monitoring campaign employing eight Chandra X-ray (0.5-10 keV) and six Very Large Array/Extended Very Large Array (8.4 GHz) radio observations of NGC 4051 over seven months. Evidence for compact jets is observed in the 8.4 GHz radio band; this builds on mounting evidence that jet production may be prevalent even in radio-quiet Seyferts. Assuming comparatively negligible local diffuse emission in the nucleus, the results also demonstrate an inverse correlation of L radio ##IMG## [http://ej.iop.org/icons/Entities/vprop.gif] {vprop} L –0.72±0.04 X- ray . If the A configuration is excluded in the case where diffuse emission plays a significant role, the relation is still ##IMG## [http://ej.iop.org/images/0004-637X/729/1/19/apj377530ieqn1.gif] {$L_{\rm radio} \propto L_{\rm {X\hbox{-}ray}}^{-0.12 \pm 0.05}$} . Current research linking the mass of supermassive black holes and stellar-mass black holes in the "low/hard" state to X-ray luminosities and radio luminosities suggests a "fundamental plane of accretion onto black holes" that has a positive correlation of L radio ##IMG## [http://ej.iop.org/icons/Entities/vprop.gif] {vprop} L 0.67±0.12 X- ray . Our simultaneous results differ from this relation by more than 11_ (6_ excluding the A configuration), indicating that a separate mode of accretion and ejection may operate in this system. A review of the literature shows that the inverse correlation seen in NGC 4051 is seen in three other black hole systems, all of which accrete at near 10% of their Eddington luminosity, perhaps suggesting a distinct mode of disk-jet coupling at high Eddington fractions. We discuss our results in the context of disks and jets in black holes and accretion across the black hole mass scale.en_US
dc.publisherIOP Publishingen_US
dc.titleA Distinctive Disk-Jet Coupling in the Seyfert-1 Active Galactic Nucleus NGC 4051en_US
dc.typeArticleen_US
dc.subject.hlbsecondlevelPhysicsen_US
dc.subject.hlbtoplevelScienceen_US
dc.description.peerreviewedPeer Revieweden_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/90800/1/0004-637X_729_1_19.pdf
dc.identifier.doi10.1088/0004-637X-729-1-19en_US
dc.identifier.sourceThe Astrophysical Journalen_US
dc.owningcollnamePhysics, Department of


Files in this item

Show simple item record

Remediation of Harmful Language

The University of Michigan Library aims to describe library materials in a way that respects the people and communities who create, use, and are represented in our collections. Report harmful or offensive language in catalog records, finding aids, or elsewhere in our collections anonymously through our metadata feedback form. More information at Remediation of Harmful Language.

Accessibility

If you are unable to use this file in its current format, please select the Contact Us link and we can modify it to make it more accessible to you.