Volume 574, February 2015
|Number of page(s)||9|
|Published online||04 February 2015|
What powers the radio-loud narrow-line Seyfert 1 galaxy RX J2314.9+2243?
A view onto its central engine from radio to X-rays⋆
1 Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany
2 National Astronomical Observatories, Chinese Academy of Sciences, Beijing 100012, PR China
3 Space Science Center, Morehead State University, 235 Martindale Dr., Morehead, KY 40351, USA
4 Swift Mission Operation Center, 2582 Gateway Dr., State College, PA 16801, USA
Received: 15 August 2014
Accepted: 24 October 2014
Aims. Radio-loud narrow-line type 1 galaxies provide us with a fresh look at the blazar phenomenon, the causes of radio loudness, and the physics of jet formation. We present a multi-wavelength study of the radio-loud narrow-line type 1 quasar RX J2314.9+2243, which exhibits some remarkable multi-wavelength properties. It is among the few radio-loud narrow-line type 1 galaxies, with a tentative γ-ray detection, is luminous in the infrared, and shows an exceptionally broad and blueshifted [OIII]λ5007 emission-line component.
Methods. In order to understand the nature of this source, we have obtained optical, UV, X-ray, and radio observations of RX J2314.9+2243.
Results. Its spectral energy distribution (SED) shows a broad hump extending between the IR and far-UV, a steep radio spectrum and flat X-ray spectrum. Its IR to far-UV SED is consistent with a scenario, in which synchrotron emission from a jet dominates the broadband emission, even though an absorption scenario cannot yet be fully excluded. The high blueshift of its very broad [OIII] component, 1260 km s-1, is consistent with a face-on view, with the jet (and outflow) pointing towards us. RX J2314.9+2243 likely represents an extreme case of AGN induced feedback in the local universe.
Key words: galaxies: active / galaxies: evolution / galaxies: Seyfert / galaxies: individual: RX J2314.9+2243
The optical spectrum (FITS format) is only available at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (184.108.40.206) or via http://cdsarc.u-strasbg.fr/viz-bin/qcat?J/A+A/574/A121
© ESO, 2015
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