Clean Optical Spectrum of the Radio Jet of 3C 120 | Zendy

S. F. Sánchez | Zendy; B. GarcíaLorenzo | Zendy; E. Mediavilla | Zendy; J. I. GonzálezSerrano | Zendy; L. Christensen | Zendy

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Clean Optical Spectrum of the Radio Jet of 3C 120

Author(s) -

S. F. Sánchez,

B. GarcíaLorenzo,

E. Mediavilla,

J. I. GonzálezSerrano,

L. Christensen

Publication year - 2004

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 - 10.1086/423990

Subject(s) - physics , jet (fluid) , astrophysics , data cube , spectral line , ionization , spectroscopy , residual , decoupling (probability) , radio galaxy , galaxy , astronomy , ion , algorithm , quantum mechanics , computer science , thermodynamics , control engineering , engineering

We present integral field spectroscopy (IFS) of the central region of 3C 120.We have modeled the nuclear and host galaxy 3D spectra using techniquesnormally applied to imaging, decoupling both components, and obtained aresidual datacube. Using this residual datacube, we detected the extendedemission line region associated with the radio jet. We obtained, for the firsttime, a clean spectrum of this region and found compelling evidences of ajet-cloud interaction. The jet compresses and splits the gas cloud which isionized by the AGN and/or by the strong local UV photon field generated by ashock process. We cannot confirm the detection of an extended emission lineregion associated with the counter-jet reported by Axon (1989).Comment: 13 pages, 3 figures, accepted for publishing in Ap

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