# Association of optical, ultraviolet and soft X-ray excess emissions in AGNs

@article{Nour2022AssociationOO,
title={Association of optical, ultraviolet and soft X-ray excess emissions in AGNs},
author={D. Nour and K. Sriram},
journal={Monthly Notices of the Royal Astronomical Society},
year={2022}
}
• Published 28 November 2022
• Physics
• Monthly Notices of the Royal Astronomical Society
Soft X-ray emission (0.5–2.0 keV) plays a pivotal role in regulating the optical and UV emission in the AGNs. We collected a sample of 1811 AGNs from the SDSS database and obtained various parameters of Balmer lines, optical continuum, Mg ii line & UV continuum and studied their dependencies on soft X-ray luminosity. Based on the linear regression analysis, we found that FWHM$_{\rm{Mg\,\small {II}}}$ ∝ FWHM$_{\rm{H}\beta }^{0.554}$ suggesting that UV emission is arising from a region…

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