Emerging planetary nebulae within 3D spiral patterns
Por:
Lora, V, Toala, J. A., Gonzalez-Carbajal, I, J., Guerrero, M. A., Esquivel, A., Ramos-Larios, G.
Publicada:
2 may 2023
Resumen:
We present the first 3D radiation-hydrodynamic simulations of the
formation of planetary nebulae (PNe) emerging from 3D spiral patterns.
We use the guacho code to create 3D spiral structures as a consequence
of the distortions on the geometry of the intrinsically isotropic wind
of an asymptotic giant branch (AGB) star produced by a companion star in
a circular orbit. We found that the orbital period of the binary
producing the 3D spiral pattern has consequences on the formation and
shaping of the PN itself. Stellar systems with longer period create less
entwined 3D spirals, producing PNe with rounder inner cavities, and
prevent the expansion of jet towards the polar directions. The spiral
fitting procedure used in the literature to predict the binary's orbital
period may be misleading in the case of proto-PNe and PNe as spiral
patterns are diluted by their own thermal expansion down to the average
AGB density profile within a few hundred years and are further disrupted
by the action of jets. By adopting a phase of jet ejections between the
AGB and post-AGB stages, we are able to recover the morphologies of
proto-PNe and PNe that exhibit ring-like structures in their haloes.
Filiaciones:
Lora, V:
Instituto de Ciencias Nucleares, UNAM, Apartado postal 73-543, Ciudad de México, 04510, Mexico
Instituto de Radioastronomía y Astrofísica, UNAM, Antigua Carretera a Pátzcuaro 8701, Ex-Hda. San José de la Huerta, Michoacán, Morelia, 58089, Mexico
UNAM, Inst Ciencias Nucl, Apartado Postal 73-543, Ciudad De Mexico 04510, Mexico
Gonzalez-Carbajal, J
Toala, J. A.:
Instituto de Radioastronomía y Astrofísica, UNAM, Antigua Carretera a Pátzcuaro 8701, Ex-Hda. San José de la Huerta, Michoacán, Morelia, 58089, Mexico
Gonzalez-Carbajal, J
Gonzalez-Carbajal, I, J.:
Instituto de Radioastronomía y Astrofísica, UNAM, Antigua Carretera a Pátzcuaro 8701, Ex-Hda. San José de la Huerta, Michoacán, Morelia, 58089, Mexico
Guerrero, M. A.:
Instituto de Astrofísica de Andalucía, IAA-CSIC, Glorieta de la Astronomía s/n, Granada, E-18008, Spain
IAA CSIC, Inst Astrofis Andalucia, Glorieta Astron S-N, E-18008 Granada, Spain
Esquivel, A.:
Instituto de Ciencias Nucleares, UNAM, Apartado postal 73-543, Ciudad de México, 04510, Mexico
UNAM, Inst Ciencias Nucl, Apartado Postal 73-543, Ciudad De Mexico 04510, Mexico
Ramos-Larios, G.:
Instituto de Astronomía y Meteorología, CUCEI, Universidad de Guadalajara, Av. Vallarta 2602, Jalisco, Guadalajara, 44130, Mexico
Univ Guadalajara, Inst Astron & Meteorol, CUCEI, Ave Vallarta 2602, Guadalajara 44130, Jalisco, Mexico
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