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What is shaping the planetary nebula K3-35?

Published online by Cambridge University Press:  24 February 2011

Y. Gómez ,
D. Tafoya ,
G. Anglada ,
L. F. Miranda ,
L. Uscanga ,
J. M. Torrelles  and
P. F. Velázquez
Y. Gómez
Affiliation:
Centro de Radioastronomía y Astrofísica, UNAM, A.P. 3-72, 58089 Morelia, Michoacán email: y.gomez@crya.unam.mx
D. Tafoya
Affiliation:
Graduate School of Science and Engineering, Kagoshima University, 1-21-35 Korimoto, Kagoshima, Kagoshima 890-0065, Japan email: dtafoya@astro.sci.kagoshima-u.ac.jp
G. Anglada
Affiliation:
Instituto de Astrofísica de Andalucía (CSIC), Apartado 3004, E-18080 Granada, Spain
L. F. Miranda
Affiliation:
Instituto de Astrofísica de Andalucía (CSIC), Apartado 3004, E-18080 Granada, Spain
L. Uscanga
Affiliation:
Instituto de Astrofísica de Andalucía (CSIC), Apartado 3004, E-18080 Granada, Spain
J. M. Torrelles
Affiliation:
Instituto de Ciencias del Espacio (CSIC)-UB-IEEC, Facultat de Física, Universitat de Barcelona, Planta 7a, Martí i Franqués 1, E-08028 Barcelona, Spain
P. F. Velázquez
Affiliation:
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, A.P.70-543, 04510México.
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Abstract

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K 3-35 is a very young planetary nebula (PN) with a characteristic S-shaped radio emission morphology. It is the first PN where water vapor maser was detected: the emission is located in a torus-like structure with a radius of 100 AU and also at the surprisingly large distance of 5000 AU from the star, in the tips of the bipolar lobes. Several mechanism have been proposed to explain the bipolar morphology of PNe, and in the case of K 3-35 we believe we may be observing several of them at the same time: i) a disk-like structure traced by the H2O masers, ii) a precessing bipolar jet probably due to the presence of a binary companion and iii) circular polarization in the OH 1665 MHz masers, which suggests the presence of a magnetic field. Additional observations and modeling are needed to establish what mechanisms are shaping K 3-35.

Keywords

magnetic fields: masers - stars: planetary nebulae: individual (K 3-35)ISM: jets and outflows
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S275: Jets at all Scales , September 2010 , pp. 414 - 415
Copyright
Copyright © International Astronomical Union 2011

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