2011-05-11

csts, Alcyone



quantity
symbol
value
Neperian (natural) logarithm base
e
2.718 281 828 459 045 235
pi
 pi
3.141 592 653 589 793 238
speed of light in vacuum     
c
299 792 458 m/s
gravitational constant   
GN
 6.672 59(85) x 10-11 m3/(kg s2) =
6.707 11(86) x 10
-39 h c/(GeV/c2)2
Schwarzschild radius of Sun 
 2 GN MS/c2 
2.953 250 08 km
age of Universe
t0
15(5) Gy
astronomical unit
 au 
1.495 978 706 6(2) x 1011 m
cosmic background energy density   
rhogamma   
4.647 7 x 10-34 (T/2.726 K)4 g/cm3  =  0.260 71 (T/2.726 K)4 eV/cm3
cosmic background number density
ngamma     
410.89 (T/2.726 K)3 cm-3
cosmic background temperature
T0
2.726 +- 0.005 K
Hubble constant
H0
100 h0 km/(s Mpc)  =  h0/9.778 13 Gy
Hubble constant, normalized
h0
0.5 < h0 < 0.85
critical density of Universe
rhoc
2.775 366 27 x 1011 h02 MS Mpc-3  =  1.878 82(24) x 10-29 h02 g/cm3
light year (deprecated)  
ly 
  0.306 6... pc = 0.946 1... x 1016 m
parsec (au/arcsec)     
pc
 3.085 677 580 7(4) x 1016 m  =  3.262... ly
 Sun distance from Core   
Ro   
8.0(5) kpc
Sun speed around Core 
Thetao    
220(20) km/s
Sun speed to cosmic background  

 369.5 +- 3.0 km/s
Sun luminosity   
LS  
3.846 x 1026 W
Sun mass  
MS
 1.988 92(25) x 1030 kg
Sun radius (equatorial)  
RS 
 6.96 x 108 m
year, sidereal (fixed star to fixed star, 1994)    
ysidereal 
31 558 149.8 s
year, tropical  (equinox to equinox, 1994)    
 y
31 556 925.2 s
day, mean sidereal     
dsidereal    
23h 56m 04s.090 53
Earth radius (equatorial) 
   RE  
6.378 140 x 106 m
Earth mass  
ME    
 5.973 70(76) x 1024 kg
 gravity acceleration at sea level
g
9.806 65 m/s2
fine structure constant   
alpha  
1/137.035 989 5(61)
Planck constant 
h 
6.626 075 5(40) x 10-34 J s
Planck constant, reduced 
hbar 
1.054 572 66(63) x 10-34 J s =
6.582 122 0(20) x 10
-22 MeV s 
Boltzmann constant     
 1.380 658(12) x 10-23 J/K =
 8.617 385(73) x 10
-5 eV/K
electron charge magnitude 
E
 1.602 177 33(49) x 10-19 C
Bohr magneton     
muB     
5.788 382 63(52) x 10-11 MeV/T
Bohr radius         
aoo  
 0.529 177 249(24) x 10-10 m
electron mass  
me   
0.510 999 06(15) MeV/c2 = 9.109 389 7(54) x 10-31 kg
electron radius, classical   
re 
2.817 940 92(38) x 10-15 m
electron Compton wavelength   
lambdabare  
3.861 593 23(35) x 10-13 m
proton (1H) mass 
mp 
 938.272 31(28) MeV/c2 =
1.672 623 1(10) x 10
-27 kg =
1.007 276 470(12) u =     1836.152 701(37)
me
deuteron (2H) mass  
md 
1875.613 39(57) MeV/c2
 nuclear magneton 
muN
3.152 451 66(28) x 10-14 MeV/T
permeability of free space 
mu0 
4 pi x 10-7 N/A2 = 12.566 370 614... x 10-7 N/A2
permittivity of free space 
 epsilon0
8.854 187 817... x 10-12 F/m
Planck mass 
 mP
1.221 047(79) x 1019 GeV/c2 =
2.176 71(14) x 10
-8 kg
Rydberg energy                               
h c Roo
13.605 698 1(40) eV
Stefan-Boltzmann constant 
sigma  
 5.670 51(19) x 10-8 W/(m2 K4)
atomic mass unit, unified 
u
931.494 32(28) MeV/c2  =  1.660 540 2(10) x 10-27 kg
Avogadro constant   
NA   
6.022 136 7(36) x 1023 mol-1

No comments: