Evidence for a Black Hole in a Radio-Quiet Quasar Nucleus | Zendy

Katherine M. Blundell | Zendy; A. J. Beasley | Zendy; Mark Lacy | Zendy; S. T. Garrington | Zendy

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Evidence for a Black Hole in a Radio-Quiet Quasar Nucleus

Author(s) -

Katherine M. Blundell,

A. J. Beasley,

Mark Lacy,

S. T. Garrington

Publication year - 1996

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/310242

Subject(s) - quasar , merlin (protein) , quiet , physics , astrophysics , brightness , astronomy , jet (fluid) , active galactic nucleus , brightness temperature , core (optical fiber) , black hole (networking) , radio galaxy , galaxy , optics , computer science , routing protocol , link state routing protocol , medicine , computer network , routing (electronic design automation) , cancer , suppressor , thermodynamics

We present the first milli-arcsecond resolution radio images of a radio-quietquasar, 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 toemanate from the core in opposite directions, which correspond toradio-emission on arcsecond scales seen with the VLA at higher frequencies.These provide strong evidence for a black-hole--based jet-producing centralengine, rather than a starburst, being responsible for the compact radioemission in this radio-quiet quasar.

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