Steady models of optically thin, magnetically supported two-temperature accretion disks around a black hole

H. Oda; K. E. Nakamura; M. MacHida; R. Matsumoto

doi:10.1017/S1743921307005753

Steady models of optically thin, magnetically supported two-temperature accretion disks around a black hole

H. Oda, K. E. Nakamura, M. MacHida, R. Matsumoto

Research output: Contribution to journal › Article

Abstract

We obtained steady solutions of optically thin two-temperature magnetized accretion disks around a black hole. We included relativistic bremsstrahlung cooling, synchrotron cooling and inverse Compton effects and assumed that the disk is threaded by toroidal magnetic field. We found that a magnetic pressure dominated new branch, which we call a low- branch, appears in the thermal equilibrium curves. The luminosity of the optically thin, magnetically supported disk can exceed 10% of the Eddington luminosity (0.1 LEdd).

Original language	English
Pages (from-to)	421-422
Number of pages	2
Journal	Proceedings of the International Astronomical Union
Volume	2
Issue number	S238
DOIs	https://doi.org/10.1017/S1743921307005753
Publication status	Published - Aug 1 2006
Externally published	Yes

All Science Journal Classification (ASJC) codes

Medicine (miscellaneous)
Astronomy and Astrophysics
Nutrition and Dietetics
Public Health, Environmental and Occupational Health
Space and Planetary Science

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title = "Steady models of optically thin, magnetically supported two-temperature accretion disks around a black hole",

abstract = "We obtained steady solutions of optically thin two-temperature magnetized accretion disks around a black hole. We included relativistic bremsstrahlung cooling, synchrotron cooling and inverse Compton effects and assumed that the disk is threaded by toroidal magnetic field. We found that a magnetic pressure dominated new branch, which we call a low- branch, appears in the thermal equilibrium curves. The luminosity of the optically thin, magnetically supported disk can exceed 10% of the Eddington luminosity (0.1 LEdd).",

author = "H. Oda and Nakamura, {K. E.} and M. MacHida and R. Matsumoto",

year = "2006",

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doi = "10.1017/S1743921307005753",

language = "English",

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T1 - Steady models of optically thin, magnetically supported two-temperature accretion disks around a black hole

AU - Oda, H.

AU - Nakamura, K. E.

AU - MacHida, M.

AU - Matsumoto, R.

PY - 2006/8/1

Y1 - 2006/8/1

N2 - We obtained steady solutions of optically thin two-temperature magnetized accretion disks around a black hole. We included relativistic bremsstrahlung cooling, synchrotron cooling and inverse Compton effects and assumed that the disk is threaded by toroidal magnetic field. We found that a magnetic pressure dominated new branch, which we call a low- branch, appears in the thermal equilibrium curves. The luminosity of the optically thin, magnetically supported disk can exceed 10% of the Eddington luminosity (0.1 LEdd).

AB - We obtained steady solutions of optically thin two-temperature magnetized accretion disks around a black hole. We included relativistic bremsstrahlung cooling, synchrotron cooling and inverse Compton effects and assumed that the disk is threaded by toroidal magnetic field. We found that a magnetic pressure dominated new branch, which we call a low- branch, appears in the thermal equilibrium curves. The luminosity of the optically thin, magnetically supported disk can exceed 10% of the Eddington luminosity (0.1 LEdd).

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