Ca II resonance lines in non-homogeneous chromospheres
K line profiles of Ca II for two component chromosphere, obtaining line source function and optical depth from steady state and radiative transfer equations
Beebe, H. A.↗
Engineering topics
Johnson, H. R.
Publications and source records attributed to Johnson, H. R..
Neutral helium lines and departures from LTE in hot stars.
LTE departure calculated for He I in hot star model atmospheres for effects on populations of singlet and triplet states
Johnson, H. R.↗
Chromospheres and polarization in late-type stars.
Chromospheric heating and polarization in late stars, considering association with Ca II K line emission cores
Dyck, H. M.↗
Comparison of selected carbon stars and M stars at 1 micron.
Spectrographic comparison of selected carbon and M stars, discussing atomic lines identifications
Fay, T. D.↗
A theoretical study of the excitation of sodium in the solar photosphere.
Equilibrium of sodium in solar atmosphere, using steady state and radiative transfer equations
SODIUM↗
ABUNDANCE OF TRACE ELEMENTS AND NON-EQUILIBRIUM EFFECTS
Lithium and beryllium abundance in meteorites and solar atmosphere
LITHIUM↗
THE EQUILIBRIUM OF NAL IN THE SOLAR PHOTOSPHERE
The equilibrium of sodium iodide in the solar photosphere
IODIDE↗