English

R-L Relation in Realistic FRADO Model

High Energy Astrophysical Phenomena 2020-06-05 v2 Astrophysics of Galaxies

Abstract

In Failed Radiatively Accelerated Dusty Outflow (FRADO) model which provides the source of material above the accretion disk (AD) as an option to explain the formation mechanism of Broad Line Region (BLR) in AGNs, the BLR inner radius (BLRin\rm{BLR}_{in} hereafter) is set by the condition that the dust evaporates immediately upon departure from the AD surface. On the other hand, the location of BLR clouds obtained observationaly via reverberation mapping shows some scaling with the source luminosity, so-called RL relation. We assume BLRin\rm{BLR}_{in} to be the location of BLR clouds, then using a realistic expression for the radiation pressure of an AD, and having included the proper values of dust opacity, and shielding effect as well, we report our numerical results on calculation of BLRin\rm{BLR}_{in} based on FRADO model. We investigate how it scales with monochromatic luminosity at 5100 angstrom for a grid of blackhole masses and Eddington ratios to compare along with the FRADO analytically predicted RL directly to observational data.

Cite

@article{arxiv.1912.00278,
  title  = {R-L Relation in Realistic FRADO Model},
  author = {Mohammad-Hassan Naddaf and Bozena Czerny and Ryszard Szczerba},
  journal= {arXiv preprint arXiv:1912.00278},
  year   = {2020}
}

Comments

3 pages, 1 figure, 39th Congress of the Polish Astronomical Society, September 2019, Olsztyn, Poland

R2 v1 2026-06-23T12:32:03.594Z