Evidence for a black hole in a radio-quiet quasar nucleus

Abstract

We present the first milli-arcsecond resolution radio images of a radio-quiet quasar, detecting a high brightness temperature core with data from the VLBA. On maps made with lower-frequency data from MERLIN and the VLA jets appear to emanate from the core in opposite directions, which correspond to radio-emission on arcsecond scales seen with the VLA at higher frequencies. These provide strong evidence for a black-hole--based jet-producing central engine, rather than a starburst, being responsible for the compact radio emission in this radio-quiet quasar.

10 pages including 1 postscript figure; uses aaspp4.sty. Accepted for publication in Ap. J. Lett. Also available from http://www-astro.physics.ox.ac.uk/research/preprints/

Cited by in corpus (32)

• On the origin of radio emission in radio quiet quasars
• Radio Loud and Radio Quiet Quasars
• VLBA Imaging of Central Engines in Radio Quiet Quasars
• Radio Variability of Radio Quiet and Radio Loud Quasars
• The optically-powerful quasar E1821+643 is associated with a 300-kpc scale FRI radio structure
• Sub-millimetre observations of hyperluminous infrared galaxies
• Parsec-Scale Radio Emission from the Low-Luminosity Active Galactic Nucleus in the Dwarf Starburst Galaxy Henize 2-10
• On the origin of radio core emission in radio-quiet quasars
• A relativistic jet in the radio-quiet quasar PG1407+263
• Spectropolarimetric evidence for a kicked supermassive black hole in the Quasar E1821+643
• Discovery of Millimeter-Wave Excess Emission in Radio-Quiet Active Galactic Nuclei
• The mm-wave compact component of AGN
• Radio-quiet quasar environments at 0.5 < z < 0.8
• Strong lensing reveals jets in a sub-microJy radio quiet quasar
• Millimeter-band variability of the radio-quiet nucleus of NGC7469
• A new twist to an old story: HE 0450-2958, and the ULIRG$\to$(optically bright QSO) transition hypothesis
• First long-term optical spectro-photometric monitoring of a binary black hole candidate E1821+643: I. Variability of spectral lines and continuum
• The Redshifted Excess in Quasar C IV Broad Emission Lines
• Suzaku Observations of Near-Relativistic Outflows in the BAL Quasar APM 08279+5255
• The PG-RQS survey. Building the radio spectral distribution of radio-quiet quasars. I. The 45-GHz data
• The obstructed jet in Mrk 231
• Unveiling the mask on the ULIRG-to-QSO transition object [H89]1821+643 at z=0.3: a gas-poor/gas-rich galaxy merger and the implications for CO-based dynamical mass estimates
• Far Infrared Loud Quasars 1: Disturbed and Quiescent Quasars in the PG Survey
• AGN-selected clusters as revealed by weak lensing
• The transition from quasar radio-loud to radio-quiet state in the framework of the black hole scalability hypothesis
• The Contribution of Active Galactic Nuclei to the Microjansky Radio Population
• VLBI imaging of the pre-coalescence SMBHB candidate SDSS J143016.05+230344.4
• The spatially offset quasar E1821+643: New evidence for gravitational recoil
• What is the origin of the stacked radio emission in radio-undetected quasars?: Insights from a radio-infrared image stacking analysis
• Parsec-Scale Localization of the Quasar SDSS J1536+0441A, a Candidate Binary Black Hole System
• Meet the parents: the progenitor binary for the supermassive black hole candidate in E1821+643
• H1821+643: The most X-ray and infrared luminous AGN in the Swift/BAT survey in the process of rapid stellar and supermassive black hole mass assembly