The importance of magnetic fields in protoplanetary nebulae

Details The importance of magnetic fields in protoplanetary nebulae The importance of magnetic fields in protoplanetary nebulae

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.134...73p&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 134, no. 1, June 1987, p. 73-83. In French.

Astronomy and Astrophysics

Astrophysics

3

Magnetic Fields, Planetary Nebulae, Protoplanets, Circular Polarization, Lines Of Force, Mass Transfer

Scientific paper

The importance of magnetic fields in protoplanetary nebulae (PPN) and planetary nebulae (PN) is examined. The existence of a dense ring and of two symmetrical lobes in GL 618, Red Rectangle, M1-91, M2-9, NGC 2346 finds a natural explanation in the presence of an azimuthal magnetic field, concentrated in the equatorial region. A typical value and the orientation of magnetic field lines are determined. From an evolutionary point of view, it is shown that the present model is joint with a continuous steady mass loss (Kwok, 1983), and thus is incompatible with a sudden ejection of PPN by the progenitor (Tuchman, 1983).

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