Observations of bipolar planetary nebula 19W32

Details Observations of bipolar planetary nebula 19W32 Observations of bipolar planetary nebula 19W32

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...115..420k&link_type=abstract

Astronomy and Astrophysics, vol. 115, no. 2, Nov. 1982, p. 420-422.

Astronomy and Astrophysics

Astrophysics

10

Astronomical Photography, Astronomical Spectroscopy, Galactic Nuclei, Planetary Nebulae, Bipolarity, Electron Density Profiles, Interstellar Extinction

Scientific paper

New photographic and spectroscopic observations of 19W32 = No. 455-139 (359 + 1.3 deg) indicate this object to be a bipolar planetary nebula of intermediate age at a distance of about 3 kpc. The diameter 0.3 pc and the forbidden S II electron density 5000/cu cm have been estimated for the slowly expanding nebular lobes. The central star consists of two components separated by only 0.97 arcsec; the fainter subluminous component is very probably a planetary nucleus having M(B) approximately not less than -0.3 mag.

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