The relative metal-to-hydrogen ratio for the sun, Hyades and 53 F5-G2 stars
Metal to hydrogen ratio for sun, Hyades and F-G stars based on photoelectric measurements of weak metal lines
Nissen, P. E.↗
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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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Color differentiation by computer image processing
Lunar color differentiation by computer image processing compared to earth based photoelectric photometry
Billingsley, F. C.↗
Magnetic observations of white dwarfs
Magnetic fields of DA dwarfs observed with photoelectric polarimeter, noting no fields observable
Angel, J. R. P.↗
An interpretation of delta Scuti stars
Delta Scuti stars, determining consistent absolute magnitudes by Stromgren intermediate band colors and Crawford photoelectric H beta indices
Leung, K.-C.↗
The chromospheric magnetograph
Chromospheric photoelectric magnetograms with high resolution H alpha pictures for deriving magnetic field directly from filtergrams
Veeder, G. J.↗
Spectrophotometry of comets 1967n, 1968b, and 1968c
Ikeya-Seki /1967n/, Thomas /1968b/ and Honda /1968c/ comet photoelectric spectrum, examining swan bands, continuum and reflected scattered light
Gebel, W. L.↗
Formaldehyde absorption coefficients in the vacuum ultraviolet /650 to 1850 angstroms/
Formaldehyde absorption coefficients measured photoelectrically in vacuum UV range
Gentieu, E. P.↗
An aircraft borne dust particle counter and its applications to the study of clear air turbulence
Airborne photoelectric particle counter for mapping clear air turbulence
Rosen, J. M.↗
An abundance analysis of the photometric standard 29 Psc
Atmospheric and abundance analyses of photoelectric standard star 29 Psc
Klinglesmith, D. A., III↗
Photometry of asteroids
Photographic and photoelectric photometry of asteroids, discussing luminescence, reflectivities, light curves, colors and phase variations observations
Gehrels, T.↗
Instrumentation for automatic telescopes
Automatic telescope instrumentation, considering polychromator, photometer and photoelectric star finders
Maran, S. P.↗
The gegenschein and interplanetary dust outside the earth's orbit
Gegenschein photographic and photoelectric scan observations, considering origin in light reflection from interplanetary dust outside earth orbit
Roosen, R. G.↗
A quantitative fringe detector for stellar interferometry
Photoelectric photometer measurements of stellar interferometer fringes strength by light modulation
Elliott, J. L.↗
A photometric study of V701 Centauri
Eclipsing variable V701 Cen photoelectric observations in UBV tabulated, fitting Russell model solutions to data
Chen, K.-Y.↗
Preliminary analysis of the spectrum of triply ionized gadolinium, Gd IV
Emission spectra, wavelengths and photoelectric intensities of triply-ionized gadolinium, using hollow cathode source with Czerny-Turner vacuum spectrograph
Crosswhite, H. M.↗
Absorption cross sections of O2 and CO2 continua in the Schumann and far-uv regions
Oxygen and carbon dioxide continua absorption cross sections in Schumann and far UV regions by photoelectric technique with vacuum monochromator
Ogawa, M.↗
Variations in the color of Jupiter
Jupiter color variations observation by multicolor photoelectric photometry, noting consistency with activity in Jovian atmosphere
Hopkins, N. B.↗
The polarization curve and the absolute diameter of Vesta
Photoelectric polarization curve, reflectivity and absolute diameter of Vesta, comparing with Lyot curve
Veverka, J.↗