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http://hdl.handle.net/20.500.12386/28380
Titolo: | Variable broad lines and outflow in the weak blazar PBC J2333.9-2343 | Autori: | Hernández-García, L. VIETRI, GIUSTINA PANESSA, Francesca PICONCELLI, Enrico Chavushyan, V. Jiménez-Andrade, E. F. BASSANI, LOREDANA BAZZANO, ANGELA Cazzoli, S. MALIZIA, ANGELA MASETTI, NICOLA Monaco, L. Pović, M. Saviane, I. Ubertini, P. |
Data pubblicazione: | 2018 | Rivista: | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | Numero: | 478 | Fascicolo: | 4 | Da pagina:: | 4634 | Abstract: | PBC J2333.9-2343 is a peculiar active nucleus with two giant radio lobes and a weak blazar-like nucleus at their centre. In this work we show new optical, ultraviolet (UV), and X-ray data taken from the San Pedro Mártir telescope, the New Technology Telescope, NTT/EFOSC2, and the Swift/XRT satellite. The source is highly variable at all frequencies, in particular the strongest variations are found in the broad Hα component with a flux increase of 61±4 per cent between 2009 and 2016, following the X-ray flux increase of 62±6 per cent between 2010 and 2016. We also detected a broad Hβ component in 2016, making the optical classification change from type 1.9 to type 1.8 in 1 yr. We have also detected a broad component of the [OIII]λ5007 line, which is blue-shifted and of high velocity, suggesting an origin from a highly disturbed medium, possibly an outflow. The line flux variability and broad widths are indicative of a jet that is, at least in part, responsible for the ionization of the broad line region (BLR) and narrow line region (NLR). | URI: | http://hdl.handle.net/20.500.12386/28380 | URL: | https://academic.oup.com/mnras/article/478/4/4634/4999938 | ISSN: | 0035-8711 | DOI: | 10.1093/mnras/sty1345 | Bibcode ADS: | 2018MNRAS.478.4634H | Fulltext: | open |
È visualizzato nelle collezioni: | 1.01 Articoli in rivista |
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