1 ****************************************************************************************** * * * BESANCON MODEL OF STELLAR POPULATION SYNTHESIS 2003-12 * * ****************************************************************************************** (l = 96.4; b = 29.8) Distance 0.0 a 50.0 kpc; Solid angle 5.000 square degree Adaptive step in distance (20,30,50) SELECTIONS : Absolute magnitude: -7.00 - 20.00 Apparent magnitudes Band V :-99.00- 99.00 Band B :-99.00- 99.00 Band U :-99.00- 99.00 Band R :-99.00- 99.00 Band I :-99.00- 99.00 Band J :-99.00- 99.00 Band H :-99.00- 27.00 Band K :-99.00- 99.00 Band L :-99.00- 99.00 Band 12 :-99.00- 99.00 Band 15 :-99.00- 99.00 Selection in age: from .00E9Gyr to Bulge Spectral types: O0.0 - D9.0 Luminosity class : 1 - 7 logTeff: 3.00 - 6.00 Log g: -3.00- 8.00 Colour : V-U -99.00 - 99.00 Step 10.00 V-I -99.00 - 99.00 Step 10.00 V-J -99.00 - 99.00 Step 10.00 V-H -99.00 - 99.00 Step 10.00 No kinematics Computation mode : Poisson drawings (ran1) for N <= 6 Photometric error laws: V : 0.000000E+00+mag*0.000000E+00+mag^2*0.000000E+00 U : 0.000000E+00+mag*0.000000E+00+mag^2*0.000000E+00 I : 0.000000E+00+mag*0.000000E+00+mag^2*0.000000E+00 J : 0.000000E+00+mag*0.000000E+00+mag^2*0.000000E+00 H : 0.000000E+00+mag*0.000000E+00+mag^2*0.000000E+00 System: Johnson-Cousins-IRAS VBURIJHKL+12+25 0.323 0.257 0.300 0.412 0.718 0.824 0.892 0.949 0.972 0.986 Creation of a catalogue of simulated stars Evolution model parameters Nb of tracks : 881 (with masses) Low masses from Vandenberg Masses >1Msun Schaller et al. Type of disc luminosity function: Hipparcos Integration time (Gyr): 10.000 SFR : SFR consta , nu : 0.400 June08 IMF : slope x 0.6 (<0.20Msun) 0.6(<0.60Msun) 0.6 (<1Msun), 2 (>1Msu Bolometric corrections : Flower Grid : mag(sup, inf)=(-11.000 , 17.00 ) 10.000 LogTeff(sup, inf)=( 3.400 , 5.50 )100.000 WD disc Wood 10Gyr Bergeron colors Pop 2 bv923m3.lf hb3m3.lf Age= 11.0Gyr x=-0.5 WD IMF Salpeter 12Gyr Pop 3 bv923m4.lf hb3m4.lf Age= 14.0Gyr x=-0.5 WD IMF2 14Gyr halo DA # Bulbe : BC95, IMF x= 1.35 Y=0.28 Z=0.02 Age 10.0 Gyr Simulation of the stellar content of the Galaxy DENSITY LAWS (distances in pc, densities in M0/PC3) Disc density law: Einasto; bulge Dwek G2; with warp and flare Distance Sun - Galactic Center : 8500.00 Disc outer truncation :14000.00 Sun position z_0 :15.00 Warp: starting position 8400.00 pc, angle 1.57080 radians, slope 0.18000 Flare: slope 0.5450E-06 starting position 9500.00 pc Disc scale length: Young disc: 5000.0 3000.0; Old disc: 2530.0 1320.0 Disc excentricities : 0.0140 0.0268 0.0375 0.0551 0.0696 0.0785 0.0791 Thick disc: Modified exponential 800.00 2500.00 400.00 density correction 1.000 White dwarfs: 0.50609E-03/pc3 Spheroid: excentricity: 0.7600 exponent: 2.440 density correction 1.000 Halo white dwarfs: 0.28286E-03/pc3 Interstellar matter: Einasto law: excentricity and scale lengths in pc 0.0140 7222.0 5777.0 Disc mass density as a fct of age in M/pc3 :.003999 .007902 .006224 .004020 .005814 .004928 .006590 Stellar densities in */pc3 for Mv<8 (disc, Th.Disc, Spheroid) :.154E-01 .103E-02 .794E-05 . White dwarfs:.660E-02 .506E-03 .283E-03 Interstellar matter ( M/pc3) :.0210 bulge Dwek G2; 1.590/ 0.424/ 0.42(kpc) alpha (deg) 78.90 gamma 91.27 beta 3.50 Normalisation 0.2544E+11 x 1.0000 Cutoff 2.54kpc METALLICITIES .15E9 1. E9 2. E9 3. E9 5. E9 7. E9 10.E9 Th.D. Spher Bulge [FE/H] 0.01 0.03 0.03 0.01 -0.07 -0.14 -0.37 -0.78 -1.78 0.00 Dispersion 0.12 0.12 0.10 0.11 0.18 0.17 0.20 0.30 0.50 0.40 Gradient - -0.07 -0.07 -0.07 -0.07 -0.07 -0.07 -0.07 0.00 0.00 0.00 Gradient | 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Absorption at s.n. : 0.70 mag./kpc 0 clouds Dist Mv CL Typ LTef logg Age Mass V-U V-I V-J V-H V [Fe/H] l b Av Mbol Star density before selection 802702.777 after theorical selection 802696.819 Nb of stars generated 802726 Stars ejected by selection in mag : 652125.0 in color : 0.0 in mu : 0.0 in Vrad : 0.0 total : 652125.0 released stars: 150601 TOTAL NUMBER OF STARS : 150601