The rocket-ultraviolet spectrum and models of the planetary nebula NGC 7662

Details The rocket-ultraviolet spectrum and models of the planetary nebula NGC 7662 The rocket-ultraviolet spectrum and models of the planetary nebula NGC 7662

Jan 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...219..575b&link_type=abstract

Astrophysical Journal, Part 1, vol. 219, Jan. 15, 1978, p. 575-584.

Computer Science

Sound

42

Astronomical Models, Planetary Nebulae, Rocket Sounding, Ultraviolet Spectra, Abundance, Line Spectra, Pointing Control Systems, Position Errors, Rocket-Borne Instruments, Spectral Energy Distribution, Stellar Evolution, Tables (Data), Thermodynamic Equilibrium

Scientific paper

Ultraviolet spectral analysis of NGC 7662 has revealed a Balmer line distribution indicating a C/O ratio of unity. This abundance of carbon is characteristic of mixing between the central star and the outer envelope of the planetary nebula. A continuum spectrum is observed from the star and the nebula, radiating its energy via the two photon process through neutral hydrogen. Spectral lines were fitted to apply to the predictions of three models of the nebular structure. UV observations were compared with visible, IR, and radio observations.

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