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- W2078902449 abstract "We analyze the optical spectrum of type 1 QSO SDSS J1425+3231. This ob- ject is interesting since its narrow emission lines such as [O III]{lambda}{lambda}4959, 5007 are double- peaked, and the line structure can be modeled well by three Gaussian components: two components for the two peaks (we refer the peaks at low/high redshift as the blue/red component) and another one for the line wing which has the same line center as that of the blue component, but ~ 3 times broader. The separation between the blue and red components is ~ 500 km/s with blue component ~ 2 times broader than the red one. The H{beta} emission can be separated into four components: two for the double-peaked narrow line and two for the broad line which comes from the broad line region (BLRs). The black hole mass estimated from the broad H{beta} emission line using the typical reverberation map- ping relation is 0.85 times 108Modot, which is consistent with that derived from parameters of [O III]{lambda} 5007 of the blue component. We suggest this QSO might be a dual AGN system, the broad H{beta} emission line is mainly contributed by the primary black hole (traced by the blue component) while the broad H{beta} component of the secondary black hole (traced by the red component) is hard to be separated out considering a resolution of ~2000 of SDSS spectra or it is totally obscured by the dusty torus." @default.
- W2078902449 created "2016-06-24" @default.
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- W2078902449 date "2011-03-25" @default.
- W2078902449 modified "2023-09-27" @default.
- W2078902449 title "Quasar SDSS J142507.32+323137.4: dual AGNs?" @default.
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- W2078902449 doi "https://doi.org/10.1088/1674-4527/11/4/004" @default.
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