Wobbling Accretion Disks, Jets, and Point-symmetric Nebulae

Details Wobbling Accretion Disks, Jets, and Point-symmetric Nebulae Wobbling Accretion Disks, Jets, and Point-symmetric Nebulae

Sep 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997apj...486..835l&link_type=abstract

Astrophysical Journal v.486, p.835

Astronomy and Astrophysics

Astronomy

53

Accretion, Accretion Disks, Ism: Jets And Outflows, Ism: Planetary Nebulae: General

Scientific paper

We present numerical calculations of the evolution of an accretion disk that is irradiated by a central source. The parameters chosen represent those of the central star of a planetary nebula. We show that an irradiation-induced warping can occur in the disk and that it is accompanied by a wobbling motion in both the inclination and azimuthal directions. Since jets are assumed to be perpendicular to the inner disk, this motion is capable of producing the "point-symmetric" morphology observed in some nebulae.

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