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Magnetic fields in Proto Planetary Nebulae

Published online by Cambridge University Press:  07 August 2014

L. Sabin ,
Q. Zhang ,
A. A. Zijlstra ,
N. A. Patel ,
R. Vázquez ,
B. A. Zauderer ,
M. E. Contreras  and
P. F. Guillén
L. Sabin
Affiliation:
Instituto de Astonomía y Meteorología, Departamento de Física, CUCEI, Universidad de Guadalajara, Av. Vallarta 2602, C. P. 44130, Guadalajara, Jal., Mexico email: [email protected]
Q. Zhang
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
A. A. Zijlstra
Affiliation:
Jodrell Bank Centre for Astrophysics, Alan Turing Building, University of Manchester, Manchester, M13 9PL, UK
N. A. Patel
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
R. Vázquez
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Apdo. Postal 877, 22800 Ensenada, B. C, Mexico
B. A. Zauderer
Affiliation:
Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
M. E. Contreras
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Apdo. Postal 877, 22800 Ensenada, B. C, Mexico
P. F. Guillén
Affiliation:
Instituto de Astronomía, Universidad Nacional Autónoma de México, Apdo. Postal 877, 22800 Ensenada, B. C, Mexico
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Abstract

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The role of magnetic field in late type stars such as proto-planetary and planetary nebulae (PPNe/PNe), is poorly known from an observational point of view. We present submillimetric observations realized with the Submillimeter Array (SMA) which unveil the dust continuum polarization in the envelopes of two well known PPNe: CRL 618 and OH 231.8+4.2. Assuming the current grain alignment theory, we were then able to trace the geometry of the magnetic field.

Keywords

Proto-Planetary nebulaepolarizationdustmagnetic field
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 9 , Symposium S302: Magnetic Fields throughout Stellar Evolution , August 2013 , pp. 398 - 399
Copyright
Copyright © International Astronomical Union 2014 

References

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