European Space Agency

European Space Agency

Royal Belgian Institute for Aeronomy

Royal Belgian Institute for Aeronomy

../_images/whiteSpace.png

lstar_phi1 - convert between L* to \(\phi\)

subroutine  lstar_phi1(ntime, whichinv, options, year, day, lstar, phi)
Parameters:
  • ntime [integer4,in] :: number of locations

  • whichinv [integer4,in] :: 0 - L* to \(\phi\); 1 - \(\phi\) to L*

  • options (5) [integer4,in] :: control options for calculation

  • year (ntime) [integer4,in] :: years for locations

  • doy (ntime) [integer4,in] :: day of year for locations

  • lstar (ntime) [real8,in/out] :: Roederer Lstar [Earth radii]

  • phi (ntime) [real8,in/out] :: \(2\pi B_0/L^*\) [nT Re2]

Description

Converts either L* to \(\phi\) or from \(\phi\) to L*.

IRBEM subroutine documentation

IRBEM Common argument definitions


UNILIB/tags/v3.02