Magnetic fields in AGB stars and (proto-) Planetary Nebulae

Astronomy and Astrophysics – Astronomy

Scientific paper

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

3

Magnetic Field, Stars: Evolution, Radio Lines: Stars, Ism: Molecules

Scientific paper

During its quick transition to the Planetary Nebula stage, the Asymptotic Giant Branch star will completely change its geometry. This AGB stellar evolution stage is characterized by a high mass loss driven by the radiation pressure. Strong magnetic field may rule the mass loss geometry and the global shaping of these objects. Following our previous work on the polarization of the SiO maser emission in a representative sample of O-rich evolved stars, we present here a study towards C-rich objects and PPN/PN objects to obtain unbiased conclusions. Using Xpol at the IRAM-30 m telescope, we have conducted CN N=1-0 observations to investigate the Zeeman effect in this molecule and draw conclusion on the evolution of the magnetic field and its influence during the transition of an AGB star to the PN stage. Following the analysis described by Crutcher et al. (1996) we derive an estimate of the magnetic field.

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for scientists and scientific papers. Rate them and share your experience with other people.

Rating

Magnetic fields in AGB stars and (proto-) Planetary Nebulae does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Magnetic fields in AGB stars and (proto-) Planetary Nebulae, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic fields in AGB stars and (proto-) Planetary Nebulae will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFWR-SCP-O-1522190

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.