2013/10/01 by Indranil Chattopadhyay, Chattopadhyay, Indranil, Sudip Garain +3
Physics and Astronomy · #FOS: Physical sciences #High Energy Astrophysical Phenomena (astro-ph.HE) #astro-ph.HE
paper · pdf · doi:10.48550/arxiv.1310.0138
4 pages, 4 figures: Based on the talk presented in International Conference on Astrophysics and Cosmology held in Tribhuvan University, Nepal, during March 19-21, 2012
arxiv created 2013/10/01 · arxiv updated 2013/10/02
It has been recently shown that transonic electron positron fluid is the least relativistic, compared to the fluid containing finite proportion of baryons. We compute spectra from these flows in general relativity (GR) including the effect of light bending. We consider the bremsstrahlung process to supply the seed photons. We choose accretion in the advective domain, and for simplicity the radial accretion or Bondi type accretion. We show that electron positron accreting flow produces the softest spectra and the lowest luminosity.