2007A&A...464..807F

Query : 2007A&A...464..807F

2007A&A...464..807F - Astronomy and Astrophysics, volume 464807-810 (2007/3-4)

On the maximum efficiency of the propeller mass-ejection mechanism.

FALANGA M., BOZZO E., STELLA L., BURDERI L., DI SALVO T. and PERNA R.

Abstract (from CDS):

We derive simple estimates of the maximum efficiency with which matter can be ejected by the propeller mechanism in disk-fed, rotating magnetic neutron stars. Some binary evolution scenarios envisage that this mechanism is responsible for expelling to infinity the mass inflowing at a low rate from the companion star, therefore limiting the total amount of mass that can be accreted by the neutron star. We demonstrate that, for typical neutron star parameters, a maximum of ηpro<5.7(P–3)1/3 times more matter than accreted can be expelled through the propeller mechanism at the expenses of the neutron star rotational energy (P–3 is the NS spin period in unit of 10–3s). Approaching this value, however, would require a great deal of fine tuning in the system parameters and the properties of the interaction of matter and magnetic field at the magnetospheric boundary. We conclude that some other mechanism must be invoked in order to prevent that too much mass accretes onto the neutron stars of some low mass X-ray binaries.

Abstract Copyright: ∼

Journal keyword(s): accretion, accretion: disks - stars: binaries: close - stars: neutron - stars: pulsars: general

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 V* V1037 Cas LXB 00 29 03.06 +59 34 19.0           ~ 283 1

Query : 2007A&A...464..807F

Basic data :
V* V1037 Cas -- Low Mass X-ray Binary
Other object types: otypes_help 		X (2022MNRAS,[KRL2007b],...), LXB (2007A&A), Psr (2007ApJS), N* (2014MNRAS), V* (V*), gam (IGR)
ICRS coord. (ep=J2000) : 		00 29 03.06 +59 34 19.0 [ ] D 2004ATel..354....1D
FK4 coord. (ep=B1950 eq=1950) : 		00 26 15.68 +59 17 44.3 [ ]
Gal coord. (ep=J2000) : 		120.09642 -03.17650 [ ]
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Identifiers (4) :
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IGR J00291+5934 V* V1037 Cas [KRL2007b] 4 [OKM2018] SWIFT J0029.1+5937

References (283 between 1850 and 2026) (Total 283)
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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Distance : 1   

   

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V* V1037 Cas

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