PHYSICAL AND ASTRONOMICAL CONSTANTS
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• • EUREKA SCIENTIFIC, INC. 2452Delmer Street, Suite 100 Oakland, CA 94602 (510)530-1688 FAX: (510)530-2416 PHYSICAL AND ASTRONOMICAL CONSTANTS Velocity of light Gravitational constant Planck's constant Electron charge Mass of electron Boltzmann constant Avogadro's number Rydberg constant Proton mass Thompson cross-section Stefan-Boltzmann constant c G = h = e = me k = N = Roo = = = 81rT~/3 = U = 2.998 x 10 10 cm s-I 6.673 x 10- 8 dyne cm-:- 2 -2 6.626 X 10- 27 erg s 4.803 X 10- 10 esu 1.602 X 10- 19 coulomb 9.110 x 10- 28 g 1.381 X 10- 16 erg K-l 6.022 X 10 23 mole- l 211"2 mee 4 / ch 3 1.097 X 105 cm- l 1.673 x 10- 24 g 1.007 amu 6.652 X 10- 25 cm- 2 5.670 X 10- 5 erg cm- 2 K-4 S-1 ............................................................................. = = = ., = = = = = = = = = = = = = 1.989x 10 33 gm 6.960x 10 10 cm 3.826x 10 33 erg s-1 5.976x 10 27 gm 6.378 X 10 3 km 9.807x 10 2 cm s-2 1.496x 10 13 cm 3.262 light years 3.086x 10 18 cm 9.461x 10 17 cm (1/411") X 10 6 photons/cm 2 /s/sr 10- 26 watts/m 2 /Hz 3.283 X 10 3 deg 2 1.182 X 10 7 arcmin 2 = 4.255 X 10 10 arcsec 2 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 = degree arcmin arcsec deg 2 arcmin 2 arcsec 2 light year lyr Rayleigh Ry Jansky ~ steradian sr Solar mass M 0 Solar radius R 0 Solar luminosity L 0 Earth mass MEjl Earth equatorial radius REjl Gravity at earth's surface gEjl • Astronomical unit AU parsec pc
Transcript of PHYSICAL AND ASTRONOMICAL CONSTANTS
• •
EUREKA SCIENTIFIC, INC.2452Delmer Street, Suite 100
Oakland, CA 94602(510)530-1688
FAX: (510)530-2416
PHYSICAL AND ASTRONOMICAL CONSTANTSVelocity of lightGravitational constantPlanck's constantElectron charge
Mass of electronBoltzmann constantAvogadro's numberRydberg constant
Proton mass
Thompson cross-sectionStefan-Boltzmann constant
cG =h =e
=mek =N =Roo =
=
=81rT~/3 =U =
2.998 x 1010 cm s-I6.673 x 10-8 dyne cm-:-2 -26.626 X 10-27 erg s4.803 X 10-10 esu1.602 X 10-19 coulomb9.110 x 10-28 g1.381 X 10-16 erg K-l6.022 X 1023 mole-l211"2mee4/ ch31.097 X 105 cm-l1.673 x 10-24 g1.007 amu6.652 X 10-25 cm-25.670 X 10-5 erg cm-2 K-4 S-1
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1.989x 1033 gm6.960x 1010 cm3.826x 1033 erg s-15.976x 1027 gm6.378 X 103 km9.807x 102 cm s-21.496x 1013 cm3.262 light years3.086x 1018 cm9.461x 1017 cm(1/411") X 106 photons/cm2/s/sr10-26 watts/m2/Hz3.283 X 103 deg2
1.182 X 107 arcmin2
= 4.255 X 1010 arcsec21.745 X 10-2 radian2.909 X 10-4 radian4.848 X 10-6 radian3.046 X 10-4 steradian8.462 X 10-8 steradian2.350 X 10-11 steradian
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degreearcminarcsecdeg2
arcmin2
arcsec2
light year lyrRayleigh RyJansky ~steradian sr
Solar mass M0Solar radius R0Solar luminosity L0Earth mass MEjlEarth equatorial radius REjlGravity at earth's surface gEjl
• Astronomical unit AUparsec pc
