IRAS 22568 + 6141 - A new bipolar planetary nebula

Details IRAS 22568 + 6141 - A new bipolar planetary nebula IRAS 22568 + 6141 - A new bipolar planetary nebula

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...249..223g&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 249, no. 1, Sept. 1991, p. 223-232.

Astronomy and Astrophysics

Astronomy

26

Hertzsprung-Russell Diagram, Infrared Astronomy Satellite, Infrared Sources (Astronomy), Planetary Nebulae, Bipolarity, Electron Density (Concentration), H Alpha Line, Radial Velocity, Sky Surveys (Astronomy)

Scientific paper

The identification of a bipolar planetary nebula is reported with a description of its characteristics. The nebula IRAS 22568 + 6141 has an extension of 8 arcsec, a high extinction of 2.37, and electron temperature and density of 11,500 K and 20,000/cu cm respectively. The distance to the object is estimated at 6 kpc by means of the Shklovskii method which is consistent with the H-alpha radial velocity of -80 km/s. The IRAS data suggest that the source has a total dust + gas enevelope of 0.4 solar mass, and the mass-loss rate and progenitor type are calculated for the young planetary nebula.

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