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Magnetic fields and radio emission processes in maser-emitting planetary nebulae

Published online by Cambridge University Press:  16 July 2018

L. Uscanga ,
J. F. Gómez ,
J. A. Green ,
O. Suárez ,
H.-H. Qiao ,
A. J. Walsh ,
L. F. Miranda ,
M. A. Trinidad ,
G. Anglada  and
P. Boumis
L. Uscanga
Affiliation:
University of Guanajuato, Mexico; email: [email protected];
J. F. Gómez
Affiliation:
IAA−CSIC, Spain;
J. A. Green
Affiliation:
CASS, Australia;
O. Suárez
Affiliation:
OCA, France;
H.-H. Qiao
Affiliation:
NTSC, CAS, China;
A. J. Walsh
Affiliation:
ICRAR, CU, Australia;
L. F. Miranda
Affiliation:
IAA−CSIC, Spain;
M. A. Trinidad
Affiliation:
University of Guanajuato, Mexico; email: [email protected];
G. Anglada
Affiliation:
IAA−CSIC, Spain;
P. Boumis
Affiliation:
IAASARS, NOA, Greece
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Abstract

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We present polarimetric observations of the 4 ground-state transitions of OH, toward a sample of maser-emitting planetary nebulae (PNe) using the Australia Telescope Compact Array. This sample includes confirmed OH-emitting PNe, confirmed and candidate H2O-maser-emitting PNe. Polarimetric observations provide information related to the magnetic field of these sources. Maser-emitting PNe are very young PNe and magnetic fields are a key ingredient in the early evolution and shaping process of PNe. Our preliminary results suggest that magnetic field strengths may change very rapidly in young PNe.

Keywords

magnetic fieldsmaserspolarizationstars: AGB and post-AGBplanetary nebulae: general
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S336: Astrophysical Masers: Unlocking the Mysteries of the Universe , September 2017 , pp. 397 - 398
Copyright
Copyright © International Astronomical Union 2018 

References

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