Документ взят из кэша поисковой машины. Адрес оригинального документа : http://hea-www.harvard.edu/~pgreen/figs/Constants.pdf Дата изменения: Wed Oct 20 21:41:55 2010 Дата индексирования: Tue Oct 2 00:50:53 2012 Кодировка: Поисковые слова: uv

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SCIENTIFIC,

INC.

PHYSICAL
Velocity of light Gravitational constant Planck's constant Electron charge Mass of electron Boltzmann constant Avogadro's number Rydberg constant Proton mass

AND ASTRONOMICAL
c

CONSTANTS

e

h

G

= = =

me

k
N Roo

=
=

=

=
= =

Thompson cross-section Stefan-Boltzmann constant

81rT~/3
U

............................................................................. Solar mass M0 = 1.989x 1033 gm
Solar radius Solar luminosity Earth mass Earth equatorial radius Gravity at earth's surface · Astronomical unit parsec light year Rayleigh Jansky steradian R0 L0 MEjl REjl gEjl AU pc lyr Ry ~ sr = 6.960x 1010 cm 3.826x 1033 erg s-1 5.976x 1027 gm 6.378 X 103 km 9.807x 102 cm s-2 1.496x 1013 cm 3.262 light years 3.086x 1018 cm 9.461x 1017 cm (1/411") X 106 photons/cm2/s/sr 10-26 watts/m2/Hz 3.283 X 103 deg2 1.182 X 107 arcmin2 4.255 X 1010 arcsec2 1. 745 X 10-2 radian 2.909 X 10-4 radian 4.848 X 10-6 radian 3.046 X 10-4 steradian 8.462 X 10-8 steradian 2.350 X 10-11 steradian

=

2.998 6.673 6.626 4.803 1.602 9.110 1.381 6.022 211"2 1.097 1.673 1.007 6.652 5.670

1010 cm s-I 10-8 dyne cm-:-2 -2 10-27 erg s 10-10 esu 10-19 coulomb 10-28 g X 10-16 erg K-l X 1023 mole-l mee/ ch3 4 X 105 cm-l x 10-24 g amu X 10-25 cm-2 X 10-5 erg cm-2 K-4 S-1

x x X X X x

.,

= = = = = = = =
=

degree arcmin arcsec deg2 arcmin2 arcsec2

= =
=

= = = =