Monte-Carlo analysis for the formation of bipolar planetary nebulae.

Details Monte-Carlo analysis for the formation of bipolar planetary nebulae. Monte-Carlo analysis for the formation of bipolar planetary nebulae.

Feb 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998acasn..39....8h&link_type=abstract

Acta Astron. Sin., Vol. 39, No. 1, p. 8 - 19

Astronomy and Astrophysics

Astronomy

Planetary Nebulae: Formation, Planetary Nebulae: Binaries

Scientific paper

Different evolutionary channels of binary stars and their importance for the formation of bipolar PNe are investigated. Using a Monte-Carlo technique, the author explores the consequences of different mass-ratio distributions, different intial-final mass relations as well as different theoretical assumptions concerning the modelling of the common-envelope phase. The author concludes: (1) the morphology of 34% to 43% of all PNe may be affected by binary interactions; (2) the main types of binary interactions considered are of comparable importance; (3) massive binaries are slightly more likely to produce bipolar PNe. (4) The ejection of the common envelope may be very efficient; (5) the simulations support the initial-final mass relation proposed by Han, Podsiadlowski and Eggleton and the use of PNe as a standard distance candles.

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