| Issue |
A&A
Volume 368, Number 1, March II 2001
|
|
|---|---|---|
| Page(s) | 205 - 211 | |
| Section | Interstellar and circumstellar matter | |
| DOI | https://doi.org/10.1051/0004-6361:20000563 | |
| Published online | 15 March 2001 | |
Hypersonic collision of a blast wave on a low-mass star
1
Departament de Física i Enginyeria Nuclear, UPC, Sor Eulàlia d'Anzizu s/n, B5, 08034 Barcelona, Spain e-mail: domingo.garcia@upc.es; nuria.serichol@upc.es; eduardo.bravo@upc.es
2
Institut d'Estudis Espacials de Catalunya, Gran Capità 2-4, 08034 Barcelona, Spain
D. García-Senz
Received:
4
October
2000
Accepted:
19
December
2000
When a neutron star is born as a result of the accretion-induced collapse (AIC)
of a white dwarf, a small but significant fraction of its mass can be
simultaneously expelled at a velocity of around 104 km s-1. In this
paper
we study the collision between the gas ejected during the AIC of a white dwarf
and a 0.3 
main-sequence star by using numerical
simulation techniques.
We found that, for a plausible combination of the orbital parameters and
impact energy, the low-mass star is completely destroyed. This scenario
can help to explain the origin of isolated millisecond pulsars.
Key words: hydrodynamics / stars: supernovae: general / stars: pulsars: general
© ESO, 2001
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