1999ApJ...524..361R

Query : 1999ApJ...524..361R

1999ApJ...524..361R - Astrophys. J., 524, 361-372 (1999/October-2)

Magnetized accreting stars: studies of the inner accretion-disk edge by a magnetohydrodynamic approach. II. Ideal instabilities of the inner disk edge.

RASTAETTER L. and SCHINDLER K.

Abstract (from CDS):

The interaction between an accretion disk and the magnetosphere of a rotating compact star is studied in two- and three-dimensional simulations to address the role of ideal (nonresistive) magnetohydrodynamic instabilities of the differentially rotating plasma. Two-dimensional simulations show the dominance of the gravitationally driven Rayleigh-Taylor instability over the shear-flow-driven Kelvin-Helmholtz instability. Three-dimensional simulations starting from the full equilibria obtained by a numerical magnetofrictional method rather than a radial cut at z=0 generally show smaller growth rates and larger mode wavelengths due to magnetic line-tying. Thus growth rates of instability that cannot be calculated analytically because of the complicated magnetic field and plasma model can now be computed using numerical magnetohydrodynamic simulations. Variations of the accretion rate of a pulsar can be explained in terms of fast gravitational instability of the inner accretion disk edge and slow reloading of disk plasma.

Abstract Copyright: ∼

Journal keyword(s): Accretion, Accretion Disks - Instabilities - Magnetohydrodynamics: MHD - Stars: Pulsars: General - Stars: Neutron

Simbad objects: 1

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Number of rows : 1

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Mag R	Mag I	Sp type	#ref 1850 - 2026	#notes
1	3FHL J1746.2-2852	LXB	17 44 33.09	-28 44 27.0						~	559	0

Query : 1999ApJ...524..361R

Basic data :

3FHL J1746.2-2852 -- Low Mass X-ray Binary
Other object types:	`LXB ()`, `gam (2018A&A,2EG,...)`, `X (2022MNRAS,AX,...)`, `Psr (2018MNRAS)`, `N* (2014MNRAS)`
ICRS coord. (ep=J2000) :	`17 44 33.09 -28 44 27.0 [ ] D 2007A&A...469..807L`
FK4 coord. (ep=B1950 eq=1950) :	`17 41 22.78 -28 43 12.5 [ ]`
Gal coord. (ep=J2000) :	`000.04448 +00.30155 [ ]`
Radial velocity / Redshift / cz :	`V(km/s) 161922 [~] / z(~) 0.83 [~] / cz 248828 [~] D 2005A&A...436..763I`

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`AX J1744.5-2844`	`3EG J1746-2851`	`1FHL J1746.3-2851`	`MAGIC J1746-2853`
`2CXO J174433.0-284426`	`3EG J1746-2852`	`3FHL J1746.2-2852`	`SWIFT J174433.1-284432`
`CXO J174433.0-284427`	`1FGL J1746.4-2849c`	`GeV J1746-2854`	`3XMM J174433.1-284427`
`CXOGC J174433.0-284427`	`2FGL J1746.6-2851c`	`GRO J1744-28`	`[HMH2016] 20`
`CXOGCS J174433.1-284427`	`3FGL J1746.3-2851c`	`HESS J1746-285`	`[SKM2002] 24`
`2EG J1746-2852`	`4FGL J1746.4-2852`	`INTREF 820`

References (559 between 1850 and 2026) (Total 559)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).

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Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Data at NED - NASA/IPAC Extragalactic Database : 3FHL J1746.2-2852

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3EG J1746-2851 3EG J1746-2852

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