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- W2735651018 abstract "It is widely known that for active galactic nuclei (AGNs) and black hole X-ray binaries (BHXBs) there exists a tight correlation among their radio luminosity ($L_R$), X-ray luminosity ($L_X$) and BH mass ($M_{rm BH}$), the so-called `fundamental plane' (FP) of BH activity. The accretion systems of intermediate-mass BHs (IMBHs, $M_{rm BH} approx 10^{3-6}$ $M_{odot}$) are important in FP research, as they bridge the $M_{rm BH}$ gap between normal AGNs and BHXBs. In this work, we use a new method to measure the 1.4 GHz flux directly from the images of the VLA FIRST survey, for the type-1 AGNs harboring IMBHs in the Dong et al. (2012) sample. As a result, we obtain 19 new IMBH AGNs for FP research with both $M_{rm BH}$ estimation and firm detections in radio and X-ray, tripling the number of such sources in the literature. The IMBH AGNs follow the standard radio/X-ray correlation, and the correlation slope supports the picture that the accretion and ejection (jet) processes are quite similar in accreting systems of different $M_{rm BH}$. Further, the IMBH AGNs obey the universal FP relation fitted with the combined dataset of BHXBs and AGNs by Gultekin et al. (2009). This means that mbh plays an important role in determining the power of jets. Specifically, the radio loudness $mathcal{R}$ of AGNs depends on both Eddington ratio and mbh, to an almost equal degree." @default.
- W2735651018 created "2017-07-21" @default.
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- W2735651018 date "2017-07-13" @default.
- W2735651018 modified "2023-09-23" @default.
- W2735651018 title "The Fundamental Plane of Active Galactic Nuclei in the Intermediate-mass Black Hole Regime and its Implication for Radio Loudness" @default.
- W2735651018 hasPublicationYear "2017" @default.
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