Detection of the 12.8-micron Ne super plus emission line from the planetary nebula IC 418.
Detection of micron Ne emission line from planetary nebula IC 418 using IR spectrometer
Gillett, F. C.↗
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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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Possible conversion of rotational energy of the neutron star in the Crab Nebula into energy of relativistic electrons.
Rotational energy conversion of neutron star into relativistic electrons energy suggested by increasing period of pulsating radio source in Crab Nebula
Finzi, A.↗
Crab Nebula pulsar NP 0532.
Crab Nebula pulsar properties including pulse shape, dispersion and strong pulse emission
Comella, J. M.↗
Condensed objects in the Crab Nebula.
Condensed supernova remnants in Crab Nebula, considering various hypotheses for radio source
Burbidge, G.↗
Spectral distribution of infrared radiation from the Trapezium region of the Orion Nebula.
IR spectral distribution from region between stars of Trapezium in Orion Nebula
Gillett, F. C.↗
On continuum absorption by heavy elements in high-excitation planetary nebulae.
Optical depth at under 110 A due to continuous absorption by N, O and Ne ions estimated in high excitation planetary nebulae
Harrington, J. P.↗
Television detection of the Crab Nebula pulsar.
Crab Nebula pulsar detection by TV camera with image intensifier at focus of astronomical telescope, detailing instrumentation and observations
Miller, J. S.↗
Thermal emission by grains and the free-free emission from planetary nebulae.
Thermal and free-free emission from planetary nebulae based on graphite grain model, discussing IR fluxes
Krishna Swamy, K. S.↗
X-ray pulsar in the Crab Nebula.
X ray pulsations in Crab Nebula at frequency closely matching radio and optical pulsations, noting energy distribution
Chubb, T. A.↗
2-20 kev spectrum of X-rays from the Crab Nebula and the diffuse background near galactic anticenter.
X ray energy spectrum from Crab Nebula and diffuse background on celestial sphere near galactic anticenter, noting spectral index
Boldt, E. A.↗
X-ray and optical observations of the pulsar NP 0532 in the Crab Nebula.
Pulsar NP 0532 in Crab Nebula observed by rocket and telescope showing strong pulsed X ray signal
Bradt, H.↗
Ionization stratification and chemical abundances in the planetary nebula NGC 7662.
Ionization stratification and chemical abundances in planetary nebula NGC 7662, discussing density fluctuations effect on N II and O II lines
Harrington, J. P.↗
Physical conditions in the primitive solar nebula.
Primitive solar nebula physical model considered under angular momentum conservation in collapsing fragment
Cameron, A. G. W.↗
Acceleration of ultrarelativistic electrons in the Crab Nebula.
Ultrarelativistic electron acceleration in Crab Nebula maintaining synchrotron spectrum, obtaining power from compressional motion damping, gyrorelaxation effect and pitch angle anisotropy removal
Melrose, D. B.↗
On the far-ultraviolet interstellar extinction law in the Orion nebula region.
Rocket measurement of far UV spectral intensity of theta Orionis for far UV interstellar extinction law in Orion nebula region
Carruthers, G. R.↗
Abundances in a halo planetary nebula.
Photoelectric measurements of emission line intensities for low density planetary nebula with moderate excitation located near north galactic pole, deriving abundances
Miller, J. S.↗
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.↗
Inhomogeneous accumulation of the earth from the primitive solar nebula.
Model for accumulation of earth and planets from primitive solar nebula, implying inhomogeneous chemical composition of bodies in solar system
Clark, S. P., Jr.↗