2005A&A...443..777P


C.D.S. - SIMBAD4 rel 1.7 - 2021.01.25CET23:50:00

2005A&A...443..777P - Astronomy and Astrophysics, volume 443, 777-780 (2005/12-1)

A toy model for coupling accretion disk oscillations to the neutron star spin.

PETRI J.

Abstract (from CDS):

Lee et al. (2004, Apjl, 603, L93) demonstrated numerically that rotation of neutron star couples with oscillations of its accretion disk to excite resonances. No specific coupling was assumed, but a magnetic field was suggested as the most likely one. Following this idea, we showed (Petri, 2005A&A...439L..27P, Paper I) that, if the neutron star is non-axially symmetric and rotating, its gravity might provide the coupling and excite resonances. Here, we return to the original suggestion that the coupling has a magnetic origin, and demonstrate how it works in terms of a simple analytic toy model.

Abstract Copyright:

Journal keyword(s): accretion, accretion disks - magnetohydrodynamics (MHD) - relativity - stars: neutron - X-rays: binaries

Simbad objects: 2

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Number of rows : 2

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 [KRL2007b] 304 LXB 18 06 59.8 -29 24 30           ~ 202 0
2 V* V4580 Sgr LXB 18 08 27.54 -36 58 44.3   16.81 16.51     ~ 888 0

    Equat.    Gal    SGal    Ecl

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2021.01.25-23:50:00

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