Properties of Very Broad Line MgII Radio-Loud and Radio-Quiet Quasars
| Autor: | Anirban Bhattacharjee, Avinanda Chakraborty, Suchetana Chatterjee |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Physics
radio-loud quasars Astronomy Astrophysics::High Energy Astrophysical Phenomena FOS: Physical sciences bolometric luminosity QB1-991 Astronomy and Astrophysics Quasar Astrophysics::Cosmology and Extragalactic Astrophysics Astrophysics Astrophysics - Astrophysics of Galaxies Luminosity Black hole Astrophysics of Galaxies (astro-ph.GA) optical continuum luminosity Magnitude (astronomy) black hole mass radio-quiet quasars very broad line Continuum (set theory) Emission spectrum Maxima Astrophysics::Galaxy Astrophysics Line (formation) |
| Zdroj: | Galaxies, Vol 9, Iss 74, p 74 (2021) |
| ISSN: | 2075-4434 |
| Popis: | We perform an analysis of the properties of radio-loud (RL) and radio-quiet (RQ) quasars with MgII broad emission line (i-band magnitude $\leq 19.1$ and z $\leq 1.9$), selected from the parent sample of SDSS DR7 catalogue. For sources with full-width half maxima (FWHM) greater than \mbox{15,000 km s$^{-1}$} (very broad line sample; VBL) we find the radio loud fraction (RLF) to be about 40\%. To further investigate this result we compare the bolometric luminosity, optical continuum luminosity, black hole (BH) mass and Eddington ratios of our VBL sample of RL and RQ quasars. Our analysis shows that in our VBL sample space, RL quasars have higher luminosities and BH mass than RQ quasars. The similarity in the distribution of their covering fraction (CF) shows that there is no difference in dust distribution between VBL RL and RQ quasars and hence dust is not affecting our results. We also find that there is no correlation of RL quasar properties with optical continuum luminosity and BH mass. 6 pages, 4 figures, Accepted to the Special Issue "A New Window on the Radio Emission from Galaxies, Galaxy Clusters and Cosmic Web: Current Status and Perspectives" of MDPI Galaxies |
| Databáze: | OpenAIRE |
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