| Collision type and regime |
References |
|---|---|
| Proto-stars |
Lin
et al 1998 (collisions between proto-stellar disks) Zinnecker & Bate 2002 (conference proceeding discussing collisions between pre-MS stars in a young cluster; show how a low-mass star can be tidally disrupted by a more massive star) Laycock & Sills 2005 (collisions between a pre-MS star and a variety of other stars) Davies et al, 2006 (collisions involving pre-MS stars; discussion of how they may contribute to massive-star formation in young clusters) |
| MS -- MS low velocity |
Lombardi, Rasio & Shapiro 1995,1996 (blue straggler
formation; q=0.2-1) Sandquist, Bolte & Hernquist 1997 (Study of the mixing during merger and blue straggler evolution) Sills et al. 1997,2001 (SPH simuls to investigate structure and evol. of blue stragglers; up to Np=1e5) Barnes 2000 (comparison with collision of galaxies; polytropes n=1.5; q=0.5/1) Lombardi et al. 2002 (SPH simuls to validate semi-analytical model) Sills et al. 2002 (up to Np=1e6 to determine blue straggler structure) Lombardi et al. 2003 (Triple collisions, SPH simuls used to demonstrate applicability of fluid sorting method) Sills, Adams & Davies 2005 (Concentrate on effect of rotation on structure and evolution of blue straggler) Dale & Davies 2006 (Collisions involving massive stars; discuss evolution of collision product in context of GRB and formation of very massive stars) Suzuki et al. 2007 (Collisions involving massive stars and evolution of merger product in the context of "runaway" growth of very massive stars in clusters) Trac, Sills & Pen 2007 (Comparison between SPH and grid code [TVD] for equal-mass, 0.8 Msun collisions) Gaburov et al. 2007 (Collisions involving massive stars; extend and test fluid sorting algorithm for this regime) |
| MS -- MS high velocity |
Benz
& Hills 1987 (polytropes n=1.5; Np=1000; q=1; 0-2.33*V_star) Benz & Hills 1992 (polytropes n=1.5; Np=7000; q=.2; 0-5*V_star) Lai, Rasio & Shapiro 1993 (Eddington models, n=3; Np=8000; q=0.1-1; 0.2-3.8*V_star) Rauch 1999 (simul. by M. Davies) (polytropes n=3; q=0.25-1; 1-25*V_star) Freitag 2000 (Thesis) (realistic stars; Np=2000-36000; q=0.001-1; 0.1-30*V_star) Freitag & Benz 2005 (basically the same but published ;-) ) |
| MS -- more compact |
Davies,
Benz & Hills 1992 (Giant--NS and MS--NS) Davies et al. 1993 (equal-mass MS--WD to compare SPH with grid method, Np up to 27000) Lee, Kim & Kang 1996 (MS--NS, parabolic, d_min>R_MS, M_MS=0.2-0.7 M_sun) |
| Giant -- Giant |
|
| Giant -- more compact |
Davies,
Benz & Hills 1991 (0.8 M_sun Giant--0.4/0.6 M_sun point mass,
parabolic; Np=7000) Davies, Benz & Hills 1992 (Giant--NS and MS--NS) Rasio & Shapiro 1991 Fryer & Woosley 1998, Zhang & Fryer 2001 (He star--BH merger in a binary as GRB engine) Bailey & Davies 1999 (Giant--MS at Galactic center, M_giant=2-8 M_sun, V_rel up to 300 km/s) Lombardi et al. 2006 (Subgiant/Giant--NS as a way to create Ultracompact X-ray binary) |
| WD -- WD |
Benz,
Hills & Thielemann 1989 (parabolic; 0.6--0.6 M_sun + 0.7--0.9
M_sun; Np=5000) Benz et al. 1990 (merger in circular binary) Segretain, Chabrier & Mochkovitch 1997 (mergger in circular binary) |
| WD -- more compact |
Fryer
et al. 1999 (WD--BH in a circularized binary as GRB engine) |
| NS -- NS (binary) |
Rasio & Shapiro 1992,1994
Centrella & McMillan 1993 (q=1, parabolic; Np=2000/4000) Davies et al. 1994 Rosswog et al. 1999 Faber & Rasio 2000,2002,Faber, Rasio & Justin 2001 (post-Newtonian) Oechslin, Rosswog & Thielemann 2002 (Conform flat approx) Rosswog & Davies 2002, Rosswog & Liebendörfer 2003, Rosswog, Ramirez-Ruiz & Davies 2003, (post-Newtonian; up to 1e6 particles) |
| NS -- BH (binary) |
Lee
& Kluzniak 1995, & Lee, Kluzniak & Wlodzimierz 1999a,1999b,
Lee 2000,2001
(Newtonian gravity) Wlodzimierz & Lee 2002 (Quark star-BH!) |
| Collisions featuring binaries |
Cleary
& Monaghan 1990 (binary -- single; n=1.5 polytropes with R~M-1/3;
only ~180 part/star) Goodman & Hernquist 1991 (binary -- binary; all MS) Davies, Benz & Hills 1993,1994 (binary -- single, 3-body runs compared with SPH; binary: NS-MS intruder: NS/WD/MS) Davies et al. 1998 (binary -- giant at Galactic center; 4-body checked with SPH runs) Adams, Davies & Sills 2004 (binary -- giant in globular clusters) |