physcon
Module
Description
Physical and mathematical constants (as in sphNG)
- References:
None
- Owner:
Daniel Price
- Runtime parameters:
None
- Dependencies:
None
Quick access
- Variables:
angstrom,atomic_mass_unit,au,avogadro,c,ceresm,cgsmu0,cm,cross_section_h2_cgs,days,earthm,earthr,ev,evtok,finestr,fourpi,gg,gram,hours,jupiterm,jupiterr,kb_on_mh,kboltz,kg,km,kpc,ly,mass_electron_cgs,mass_proton_cgs,metre,micron,minutes,mm,mpc,myr,nm,patm,pc,piontwo,planckh,planckhbar,qe,radconst,rg,ro,roottwo,rpiontwo,seconds,solarl,solarm,solarr,steboltz,thomcs,twopi,years
Variables
- physcon/atomic_mass_unit [real,parameter=1.660538921d-24]
Atomic mass unit g
- physcon/au [real,parameter=1.496d13]
Astronomical unit cm
- physcon/avogadro [real,parameter=6.0221408577d23]
Avogadro’s number mole^-1
- physcon/c [real,parameter=2.997924d10]
Speed of light cm/s
- physcon/ceresm [real,parameter=8.958d23]
Mass of Ceres g
- physcon/cgsmu0 [real,parameter=32.0]
- physcon/cm [real,parameter=1.d0]
Centimetre cm
- physcon/cross_section_h2_cgs [real,parameter=2.367d-15]
Hydrogen molecule cs cm^-2
- physcon/days [real,parameter=8.64d4]
- physcon/deg_to_rad [real,parameter=0.044444444444444446]
- physcon/earthm [real,parameter=5.979d27]
Mass of the Earth g
- physcon/earthr [real,parameter=6.371315d8]
Radius of the Earth cm
- physcon/ev [real,parameter=1.60219d-12]
electron volt erg
- physcon/evtok [real,parameter=1.1604519d4]
Degrees kelvin per eV K/eV
- physcon/finestr [real,parameter=7.2974d-3]
Fine structure constant unitless
- physcon/fourpi [real,parameter=12.5663706144d0]
- physcon/gg [real,parameter=6.672041d-8]
Gravitational constant dyn cm^2 g^-2
- physcon/gram [real,parameter=1.d0]
- physcon/hours [real,parameter=3.6d3]
- physcon/jupiterm [real,parameter=1.89813d30]
Mass of Jupiter g
- physcon/jupiterr [real,parameter=7149200000.0]
Equatorial radius Jupiter cm
- physcon/kb_on_mh [real,parameter=1.0]
- physcon/kboltz [real,parameter=1.38066d-16]
Boltzmann constant erg/K
- physcon/kg [real,parameter=1.d3]
- physcon/km [real,parameter=1.d5]
Kilometer cm
- physcon/kpc [real,parameter=3.086d21]
Kiloparsec cm
- physcon/ly [real,parameter=9.4605d17]
Light year cm
- physcon/mass_electron_cgs [real,parameter=9.10938291d-28]
Electron mass g
- physcon/mass_proton_cgs [real,parameter=1.67262158d-24]
kB/m_H erg/K/g
- physcon/metre [real,parameter=1.d2]
Metre cm
- physcon/minutes [real,parameter=6.0d1]
- physcon/mm [real,parameter=0.1d0]
Millimetre cm
- physcon/mpc [real,parameter=3.086d24]
Megaparsec cm
- physcon/myr [real,parameter=3.1556926d13]
- physcon/patm [real,parameter=1.013250d6]
Standard atmospheric pressure in cgs
- physcon/pc [real,parameter=3.086d18]
Parsec cm
- physcon/pi [real,parameter=3.1415926536d0]
- physcon/piontwo [real,parameter=1.5707963268d0]
- physcon/planckh [real,parameter=6.6260755d-27]
Planck’s Constant erg.s
- physcon/planckhbar [real,parameter=1.05457266d-27]
Planck’s Constant/(2pi) erg.s
- physcon/qe [real,parameter=4.8032068d-10]
charge on electron esu
- physcon/radconst [real,parameter=7.5646d-15]
Radiation constant erg cm^-3 K^-4
- physcon/rg [real,parameter=8.31446261815324d7]
Gas constant erg/K/g
- physcon/ro [real,parameter=3.0]
Rossby number without dimension
- physcon/roottwo [real,parameter=1.4142135624d0]
- physcon/rpiontwo [real,parameter=1.2533141373d0]
square root of (Pi/2)
- physcon/seconds [real,parameter=1.d0]
- physcon/solarl [real,parameter=3.9d33]
Luminosity of the Sun erg/s
- physcon/solarm [real,parameter=1.9891d33]
Mass of the Sun g
- physcon/solarr [real,parameter=6.959500d10]
Radius of the Sun cm
- physcon/steboltz [real,parameter=5.67051d-5]
Stefan-Boltzmann constant erg cm^-2K^-4 s^-1
- physcon/thomcs [real,parameter=6.6525d-25]
Thomson cross section cm^2
- physcon/twopi [real,parameter=6.2831853072d0]
- physcon/years [real,parameter=3.1556926d7]