Analysis of F and G subdwarfs. III - An abundance analysis of the subdwarf mu Cassiopeia.
Model atmosphere abundance analysis of subdwarf mu Cassiopeia by measuring spectral line widths and comparing with sun
Cohen, J. G.↗
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Results for “Spectral lines”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Molecular radiation - Its application in physical measurements and analyses
Specialists Conference held at Marshall Space Flight Center reviewed work in molecular radiation to evaluate research possibilities in this field. Topics included spectral-line studies in the labortory, application to practical heat transfer calculations of radiative transfer models, and use of measured radiation properties of gases.
Source record↗
An interferometric study of dissociative recombination radiation in neon and argon afterglows
Spectral line profiles on neon and argon determined by high resolution, photoelectric recording, pressure tuned Fabry-Perot interferometer
Biondi, M. A.↗
Determination of self-broadening coefficients of CO, using CO sub 2 laser radiation at 10.6 mu.
Carbon dioxide spectral line broadening and self broadening coefficients, using carbon dioxide laser radiant energy
Gardner, J. A.↗
General review of beam-foil spectroscopy.
Beam-foil spectroscopy problems noting light collection, spectrograph design, broadening of spectral lines by Doppler effect and other complications
Bashkin, S.↗
Beam foil spectroscopy.
Beam foil spectroscopy for measuring wavelengths and spectral line intensities
Bashkin, S.↗
On the solution of the transfer equation for continuum radiation in inhomogeneous atmospheres.
Radiative transfer equation solution for spectral line formed in two dimensionally varying atmosphere extended to continuum radiation in inhomogeneous atmospheres
Wilson, P. R.↗
Spectra, variability, size, and polarization of H sub 2 O microwave emission sources in the Galaxy.
Water molecules radio spectral lines from microwave emission sources in Galaxy studied for variability, size and polarization
Cheung, A. C.↗
Comparison of procedures used to analyze spectroscopic observations - The 7820-angstrom units carbon dioxide band in the spectrum of Venus.
Venus carbon dioxide spectral band analysis methods, discussing spectral lines and rotational temperatures obtained
Gray, L. D.↗
A study of the axial velocities in an ammonia MPD thruster.
Axial velocities in ammonia MPD thrustor exhaust by measuring Doppler shifts of spectral lines emitted by plasma constituents
Connolly, D. J.↗
Spectrophotometric studies of gaseous nebulae. XIV - The bright moderate-excitation planetary IC 5217.
Tabulation of photographic and photoelectric spectrophotometrically obtained relative spectral line intensities for planetary nebula IC 5217, discussing interstellar absorption
Aller, L. H.↗
Improved photoionization mass spectrometer
Improved spectrometer for gas analysis lessens the intensity problem that occurs in obtaining dispersed ultraviolet radiation. A filter, consisting of a selectively transmitting gas cell, a thin film or mirror, or a predispersing grating, alleviates problems of interference from higher-order spectral lines and from scattered ultraviolet light.
Poshchenrieder, W. P.↗
Interferometer for measurement of optical polarization
Standard two-beam interferometer with polarizers in each beam and an analyzer at the recombined focal point provides greater accuracy and higher resolution than any other known method for measuring variation of polarization within a spectral line and in the surrounding continuum.
Abhyankar, K.↗
Magnetic-quadrupole radiation and solar coronal de-excitation
Transition probabilities computed for spectral lines due to magnetic quadrupole radiation, discussing deexcitation of excited atoms in solar corona
Garstang, R. H.↗
Foreign-gas broadening of HF by CO2
Hydrogen fluoride fundamental vibration rotation band spectral line shift and broadening due to carbon dioxide
Lovell, R. J.↗
Properties of axicon systems for collecting foil-excited accelerator beam spectra
Axicon systems for spectroscopy of light emitted by foil-excited accelerator beams, discussing scattering contribution to spectral line widths
Stoner, J. O., Jr.↗
The infrared spectra of Jupiter and Saturn at 1.2-4.2 microns
Jupiter and Saturn IR reflection spectra observed with Michelson interferometer- spectrometer, eliminating effects of terrestrial atmospheric absorption, solar spectral lines, etc
Johnson, H. L.↗
Excitation of Ar I and He I in low-energy He/plus/ plus Ar collisions
Excitation cross sections for Ar I and He I spectral lines in low energy He ion-Ar collisions
Isler, R. C.↗