1997A&A...327..620S


Query : 1997A&A...327..620S

1997A&A...327..620S - Astronomy and Astrophysics, volume 327, 620-635 (1997/11-2)

Stability criteria for mass transfer in binary stellar evolution.

SOBERMAN G.E., PHINNEY E.S. and VAN DEN HEUVEL E.P.J.

Abstract (from CDS):

The evolution of a binary star system by various analytic approximations of mass transfer is discussed, with particular attention payed to the stability of these processes against runaway on the thermal and dynamical timescales of the mass donating star. Mass transfer in red giant - neutron star binary systems is used as a specific example of such mass transfer, and is investigated. Hjellming & Webbink's (1987) results on the dynamic timescale response of a convective star with a core to mass loss are applied, with new results. It is found that mass transfer is usually stable, as long as the wind's specific angular momentum does not exceed the angular momentum per reduced mass of the system. This holds for both dynamical and thermal timescales. Those systems which are not stable will usually transfer mass on the thermal timescale. Included are graphs illustrating the variation of (dln(rL))/(dln(m))=ζL with mass ratio in the binary, for various parameters in the non-conservative mass transfer, as well as evolutionary paths of interacting red giant neutron star binaries.

Abstract Copyright:

Journal keyword(s): close binaries - tidal interaction - mass transfer

Simbad objects: 6

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Number of rows : 6
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 V* AO Cas SB* 00 17 43.0633133256 +51 25 59.116450728 5.04 6.01 6.14     O9.2II+O8V((f)) 322 0
2 V* EM Car EB* 11 12 04.5060592584 -61 05 42.944560584 8.06 8.80 8.54 9.25   O7.5V((f))+O7.5V((f)) 156 0
3 CPD-63 2495 HXB 13 02 47.6544015048 -63 50 08.626970292 10.34 10.72 9.98 10.03   O9.5Ve 727 0
4 X Sgr X-4 LXB 18 23 40.57 -30 21 40.6   19.06 18.81     ~ 947 1
5 PSR J1959+2048 Psr 19 59 36.7480 +20 48 14.599   20.4       ~ 743 2
6 V* V1521 Cyg HXB 20 32 25.78 +40 57 27.9           WN4/5-6/7 1856 2

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2022.05.20-19:44:54

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