Spectrophotometry of filaments surrounding nova RR Pictoris 1925

Details Spectrophotometry of filaments surrounding nova RR Pictoris 1925 Spectrophotometry of filaments surrounding nova RR Pictoris 1925

Mar 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...228..482w&link_type=abstract

Astrophysical Journal, Part 1, vol. 228, Mar. 1, 1979, p. 482, 483, 485-490.

Astronomy and Astrophysics

Astrophysics

48

Abundance, Filaments, Nebulae, Novae, Photoionization, Spectrophotometry, Astronomical Photography, Emission Spectra, Forbidden Transitions, Iron, Line Spectra, Planetary Nebulae

Scientific paper

Spectral scans of faint filaments surrounding the slow nova RR Pic have been obtained with the CTIO 4-m telescope, using the Tololo vidicon spectrometer. The spectra are similar to those of very high-excitation planetary nebulae, in addition to having prominent forbidden Fe V emission. Available evidence indicates that the nebular condensations are ionized by radiation from RR Pic. Ionization calculations of the gas show that the spectra can be produced by photoionization and that the abundances of He, N, and probably also Ne are enhanced. Conditions in the RR Pic filaments are contrasted with those in the shell of the slow nova DQ Her.

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