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Radiation from Advection-Dominated Flows

Published online by Cambridge University Press:  25 May 2016

T. Manmoto
T. Manmoto*
Affiliation:
Department of Astronomy, Faculty of Science, Kyoto University Sakyo-ku, Kyoto 606-01, Japan

Extract

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Advection-dominated accretion flow (hereafter ADAF) is the only self-consistent solution to describe the optically thin accretion flows around compact objects. The main feature of ADAF is that the dynamics of the flow is dominated by accretion process rather than radiation process. As a result of advection domination, the luminosity of ADAFs is very low. Coupled with the existence of the event horizon, ADAF has been successfully applied to the dim accretion black holes such as central core of our Galaxy: Sgr A*. In this issue, we calculate the spectrum radiated from the optically thin ADAFs and show that the observed spectrum of Sgr A* is explained with the accretion massive black hole.

Type
Session 3: Diagnostics of High Gravity Objects with X- and Gamma Rays
Information
Symposium - International Astronomical Union , Volume 188: The Hot Universe , 1998 , pp. 417 - 418
Copyright
Copyright © Kluwer 1998 

References

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