Date: Fri Feb  4 19:18:15 2011

===================================================================

Relativistic computation                           Irrotational
Star 1  EOS
EOS of class Eos_AkmalPR (Akmal, Pandharipande & Ravenhall 1998) : 
  composition :  n,p,e,mu 
  model : A18+dv+UIX* 

Omega = 1526.51 rad/s                Orbital frequency f = 242.951 Hz
Omega_kepler = 1662.91 rad/s
Coordinate separation : 50 km
1/2 ADM mass :        1.33839 Mo
Total angular momentum : 7.5339 G M_sol^2 / c

Number of steps : 114

===================================================================
       Star no. 1
===================================================================
Grid : 
------ 
Number of domains: 4
  Domain #0: nr = 33, RARE; nt = 25, SYM; np = 24, NONSYM
  Domain #1: nr = 33, FIN; nt = 25, SYM; np = 24, NONSYM
  Domain #2: nr = 33, FIN; nt = 25, SYM; np = 24, NONSYM
  Domain #3: nr = 33, UNSURR; nt = 25, SYM; np = 24, NONSYM



Physical characteristics : 
-------------------------

Relativistic star
-----------------
Number of domains occupied by the star : 1
Equation of state : 
Star 1  EOS
EOS of class Eos_AkmalPR (Akmal, Pandharipande & Ravenhall 1998) : 
  composition :  n,p,e,mu 
  model : A18+dv+UIX* 


Central enthalpy : 0.234455 c^2
Central proper baryon density : 5.39817 x 0.1 fm^-3
Central proper energy density : 5.906 rho_nuc c^2
Central pressure : 0.918471 rho_nuc c^2

Regularization index of the gravitational potential : k_div = 0
Central lapse N :      0.606832
Central value of A^2 : 2.3764

Coordinate equatorial radius (phi=0) a1 =    8.92768 km
Coordinate equatorial radius (phi=pi/2) a2 = 8.78696 km
Coordinate equatorial radius (phi=pi):       8.96719 km
Coordinate polar radius a3 =                 8.82619 km
Axis ratio a2/a1 = 0.984238  a3/a1 = 0.988632

Baryon mass :        1.4911 M_sol
Gravitational mass : 1.30223 M_sol

Star in a binary system
-----------------------
irrotational configuration
Absolute abscidia of the stellar center: -25 km
Absolute abscidia of the barycenter of the baryon density : -24.9961 km
d_tilde : 5.59261
Orientation with respect to the absolute frame : 0 rad
Central value of gam_euler : 1.00322
Central u_euler (U^X, U^Y, U^Z) [c] : -1.58787e-17  -0.051971  0
Central d_psi (X, Y, Z) [c] :         -4.78582e-17  -0.15664  0
Central vel. / co-orb. (W^X, W^Y, W^Z) [c] : -2.78059e-17  -4.79274e-05  0
Max vel. / co-orb. (W^X, W^Y, W^Z) [c] : 0.358437  0.522501  0.00290941
Min vel. / co-orb. (W^X, W^Y, W^Z) [c] : -0.358437  -0.175786  -0.00290941
Velocity at (r_surf,pi/4,pi/4) / co-orb. [c] : 0.0276508  -0.0270327  2.55121e-05
Central value of loggam : 2.68447e-09
Central value of log(N) auto, comp :         -0.459984  -0.0395191
Central value of beta=log(AN) auto, comp :   -0.0659412  -0.000767688
Central value of shift (N^X, N^Y, N^Z) [c] : -1.82138e-17  -0.0957881  0
  ... shift_auto part of it [c] :            -2.92315e-17  -0.11563  0
  ... shift_comp part of it [c] :            0  0.0198423  0
  ... w_shift (NB: components in the star Cartesian frame) [c] :  
-2.55285e-17  -0.125302  0
Central value of khi_shift [km c] : 1.12097e-15

Central value of (B^X, B^Y, B^Z)/N [c] : -3.00146e-17  0.0519235  0

Central (d/dX,d/dY,d/dZ)(logn_auto) [km^{-1}] : -0.000139381  -2.47277e-18  0
Central (d/dX,d/dY,d/dZ)(logn_comp) [km^{-1}] : -0.000817985  -2.6072e-15  0

Central (d/dX,d/dY,d/dZ)(beta_auto) [km^{-1}] : -8.42742e-05  2.85075e-19  0
Central (d/dX,d/dY,d/dZ)(beta_comp) [km^{-1}] : -9.2776e-05  -9.98568e-18  0

Central A^2 K^{ij} [c/km] : 
  A^2 K^{xx} auto, comp : -5.93655e-15  -6.74739e-16
  A^2 K^{xy} auto, comp : 1.36929e-06  -9.18803e-05
  A^2 K^{xz} auto, comp : 0  0
  A^2 K^{yy} auto, comp : 9.42289e-15  1.34919e-15
  A^2 K^{yz} auto, comp : 0  0
  A^2 K^{zz} auto, comp : -3.48634e-15  -6.74452e-16

Central A^2 K_{ij} K^{ij} [c^2/km^2] : 
   A^2 K_{ij} K^{ij}  auto, comp : 2.33992e-10  -5.98063e-10


===================================================================
       Star no. 2
===================================================================
Grid : 
------ 
Number of domains: 4
  Domain #0: nr = 33, RARE; nt = 25, SYM; np = 24, NONSYM
  Domain #1: nr = 33, FIN; nt = 25, SYM; np = 24, NONSYM
  Domain #2: nr = 33, FIN; nt = 25, SYM; np = 24, NONSYM
  Domain #3: nr = 33, UNSURR; nt = 25, SYM; np = 24, NONSYM



Physical characteristics : 
-------------------------

Relativistic star
-----------------
Number of domains occupied by the star : 1
Equation of state : 
Star 2  EOS
EOS of class Eos_AkmalPR (Akmal, Pandharipande & Ravenhall 1998) : 
  composition :  n,p,e,mu 
  model : A18+dv+UIX* 


Central enthalpy : 0.234455 c^2
Central proper baryon density : 5.39817 x 0.1 fm^-3
Central proper energy density : 5.906 rho_nuc c^2
Central pressure : 0.918471 rho_nuc c^2

Regularization index of the gravitational potential : k_div = 0
Central lapse N :      0.606832
Central value of A^2 : 2.3764

Coordinate equatorial radius (phi=0) a1 =    8.92768 km
Coordinate equatorial radius (phi=pi/2) a2 = 8.78696 km
Coordinate equatorial radius (phi=pi):       8.96719 km
Coordinate polar radius a3 =                 8.82619 km
Axis ratio a2/a1 = 0.984238  a3/a1 = 0.988632

Baryon mass :        1.4911 M_sol
Gravitational mass : 1.30223 M_sol

Star in a binary system
-----------------------
irrotational configuration
Absolute abscidia of the stellar center: 25 km
Absolute abscidia of the barycenter of the baryon density : 24.9961 km
d_tilde : 5.59261
Orientation with respect to the absolute frame : 3.14159 rad
Central value of gam_euler : 1.00322
Central u_euler (U^X, U^Y, U^Z) [c] : 1.58787e-17  0.051971  0
Central d_psi (X, Y, Z) [c] :         4.78582e-17  0.15664  0
Central vel. / co-orb. (W^X, W^Y, W^Z) [c] : 2.78059e-17  4.79274e-05  0
Max vel. / co-orb. (W^X, W^Y, W^Z) [c] : 0.358437  0.175786  0.00290941
Min vel. / co-orb. (W^X, W^Y, W^Z) [c] : -0.358437  -0.522501  -0.00290941
Velocity at (r_surf,pi/4,pi/4) / co-orb. [c] : -0.0276508  0.0270327  2.55121e-05
Central value of loggam : 2.68447e-09
Central value of log(N) auto, comp :         -0.459984  -0.0395191
Central value of beta=log(AN) auto, comp :   -0.0659412  -0.000767688
Central value of shift (N^X, N^Y, N^Z) [c] : 1.82138e-17  0.0957881  0
  ... shift_auto part of it [c] :            2.92315e-17  0.11563  0
  ... shift_comp part of it [c] :            0  -0.0198423  0
  ... w_shift (NB: components in the star Cartesian frame) [c] :  
-2.55285e-17  -0.125302  0
Central value of khi_shift [km c] : 1.12097e-15

Central value of (B^X, B^Y, B^Z)/N [c] : 3.00146e-17  -0.0519235  0

Central (d/dX,d/dY,d/dZ)(logn_auto) [km^{-1}] : 0.000139381  2.47277e-18  0
Central (d/dX,d/dY,d/dZ)(logn_comp) [km^{-1}] : 0.000817985  2.6072e-15  0

Central (d/dX,d/dY,d/dZ)(beta_auto) [km^{-1}] : 8.42742e-05  -2.85075e-19  0
Central (d/dX,d/dY,d/dZ)(beta_comp) [km^{-1}] : 9.2776e-05  9.98568e-18  0

Central A^2 K^{ij} [c/km] : 
  A^2 K^{xx} auto, comp : -5.93655e-15  -6.74739e-16
  A^2 K^{xy} auto, comp : 1.36929e-06  -9.18803e-05
  A^2 K^{xz} auto, comp : 0  0
  A^2 K^{yy} auto, comp : 9.42289e-15  1.34919e-15
  A^2 K^{yz} auto, comp : 0  0
  A^2 K^{zz} auto, comp : -3.48634e-15  -6.74452e-16

Central A^2 K_{ij} K^{ij} [c^2/km^2] : 
   A^2 K_{ij} K^{ij}  auto, comp : 2.33992e-10  -5.98063e-10



===================================================================
Diff_ent :  star 1 : 4.40133e-08   star 2 : 4.40133e-08
Relative difference between the baryon masses of the two stars : 0
dH/dx at r = 0 :  star 1 : -3.85293e-08   star 2 : -3.85293e-08
Relative error on the virial theorem : 
   VE(M)= -2.91846e-06   VE(GB)= -6.64162e-06   VE(FUS)= 5.79534e-06

================================================================
	    PARAMETERS USED FOR THE COMPUTATION : 
================================================================
# Parameters for the binary equilibrium computation by coal
###################################################################
ini.d
0.5	fact_separ : Factor by which the initial separation is multiplied
1.491102233	   mbar_voulue[0] : Baryon mass required for star 1 [M_sol]
1.491102233	   mbar_voulue[1] : Baryon mass required for star 2 [M_sol]
###################################################################
400	mermax : Maximum number of steps in the main iteration 
0.5 	relax :	 Relaxation factor in the main iteration 
1	mermax_eqb : Maximum number of steps in Etoile_bin::equilibrium 
1	prompt : 1 if no pause during the computation
0	graph : 1 if graphical outputs during the computation 
1.E-7 	seuil : Threshold on the enthalpy relative change for ending the computation 
2	fmer_stop : Step interval between pauses in the main iteration 
5	fmer_save : Step interval between safeguards of the whole configuration 
4	mermax_poisson : Maximum number of steps in Map_et::poisson
1.5	relax_poisson :  Relaxation factor in Map_et::poisson
4 	mermax_potvit : Maximum number of steps in Map_radial::poisson_compact
0.5	relax_potvit :  Relaxation factor in Map_radial::poisson_compact
20	mer_masse : Step from which the baryon mass is forced to converge
0.4	aexp_masse : Exponent for the increase factor of the central enthalpy
8	fmer_udp_met : Step interval between metric updates
1	ind_rel_met : 1 if relaxation of the metric, 0 if not
0.65	relax_met : Relaxation factor of the metric (used only if ind_rel_met=1)
0.75	relax_omeg : Relaxation factor on Omega (orbital angular velocity)
0.7	fact_omeg_min : fact_omeg_min * omega = low bound in the omega search
1.3	fact_omeg_max : fact_omeg_max * omega = high bound in the omega search
0.	thres_adapt1 : threshold on dH/dr for the adaptation of the mapping in star 1
0.	thres_adapt2 : threshold on dH/dr for the adaptation of the mapping in star 2






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	    IDENTIFICATION OF THE CODE : 
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	    CPU TIME and MEMORY infos : 
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