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
ISSN: 00358711





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