PK 6-2 deg 1, a remarkable nitrogen-rich southern planetary nebula

Details PK 6-2 deg 1, a remarkable nitrogen-rich southern planetary nebula PK 6-2 deg 1, a remarkable nitrogen-rich southern planetary nebula

May 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977ap%26ss..48..437d&link_type=abstract

Astrophysics and Space Science, vol. 48, no. 2, May 1977, p. 437-444.

Astronomy and Astrophysics

Astrophysics

7

Interstellar Gas, Nitrogen Atoms, Planetary Nebulae, Stellar Envelopes, Abundance, Electrophotometers, Stellar Spectrophotometry, Wolf-Rayet Stars

Scientific paper

Photoelectric spectrophotometry with the image-dissector scanner on the 3.9-m Anglo-Australian telescope has shown the planetary nebula PK 6-2 deg 1 to be unique in its overabundance of nitrogen and helium, strong reddening, and broad range of excitation conditions. It is suggested that part of the massive envelope of a Wolf-Rayet star of the nitrogen sequence is observed which is still embedded in its placental interstellar cloud.

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