Skip to main content Accessibility help
×
Home

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

  • Fabrice Herpin (a1) (a2), A. Baudy (a1) (a2), E. Josselin (a3), C. Thum (a4) and H. Wiesemeyer (a4)...

Abstract

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.

    • Send article to Kindle

      To send this article to your Kindle, first ensure no-reply@cambridge.org is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about sending to your Kindle. Find out more about sending to your Kindle.

      Note you can select to send to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be sent to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

      Find out more about the Kindle Personal Document Service.

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

      Send article to Dropbox

      To send this article to your Dropbox account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your <service> account. Find out more about sending content to Dropbox.

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

      Send article to Google Drive

      To send this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your <service> account. Find out more about sending content to Google Drive.

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

Copyright

References

Hide All
Bachiller, R. et al. 1997a, A&A 319, 235
Bachiller, R. et al. 1997b, A&A 324, 1123
Bujarrabal, V., Castro-Carrizo, A., Alcolea, J., & Sánchez Contreras, C. 2001, A&A 377, 868
Crutcher, R. M. et al. 1996, ApJ 456, 217
Elitzur, M. 1996, ApJ 457, 415
Herpin, F., Baudry, A., Thum, C., Morris, D., & Wiesemeyer, H. 2006, A&A 450, 667
Huggins, P. J. & Glassgold, A. E. 1982, AJ 87, 1828
Jordan, S., Werner, K., & O'Toole, S. J. 2005, A&A 432, 273
Josselin, E. & Bachiller, R. 2003, A&A 397, 659
Kemball, A. J. & Diamond, P. J. 1997 ApJ 481, L111
Kwok, S. 2000, in The origin and Evolution of Planetary Nebulae, Cambridge Astrophysics Series 31, Cambridge University Press edition
Lindqvist, M. et al. 2000, A&A 361, 1036
Lucas, R. et al. 1995, Ap&SS 224, 293
Nyman, L.-A., Hall, P. J., & Olofsson, H. 1998 A&ASS 127, 185200
Sahai, R. & Trauger, J. T. 1998, AJ 116, 1357
Soker, N. 2002, MNRAS 337, 1038
Szczerba, R. et al. 2002, A&A 381, 491
Szymczak, M. & Cohen, R. J. 1997, MNRAS 288, 945
Thum, C., Wiesemeyer, H., Morris, D., Navarro, S., & Torres, M. 2003 SPIE 4843, 272
Thum, C. et al. 2008, PASP 120, 777
Vlemmings, W., Diamond, P. J., & van Langevelde, H. J. 2001, A&A 375, L1
MathJax
MathJax is a JavaScript display engine for mathematics. For more information see http://www.mathjax.org.

Keywords

Related content

Powered by UNSILO

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

  • Fabrice Herpin (a1) (a2), A. Baudy (a1) (a2), E. Josselin (a3), C. Thum (a4) and H. Wiesemeyer (a4)...

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed.