Study of protoplanetary nebulae
Por:
Estrella, D., Hernandez-Martinez, L., Velazquez, P. F., Esquivel, A., Raga, C. A.
Publicada:
1 ene 2016
Categoría:
Astronomy and Astrophysics
Resumen:
We have performed 3D hydrodynamic simulations of a symmetrical jet ejection following previous works (Raga et al. 2009, Riera et al. 2014, Velázquez et al. 2014). The jet is emitted from a binary system in elliptical orbit, and its direction changes describing a precession cone. We have considered that the jet has a time-dependence density ejection or a time-dependence velocity ejection, in order to propose an alternative model to explain the morphology of PPNe's. Also in our description we have included the effect of the photoionization of the central source. From numerical results, synthetic Ha maps were obtained, and a proper motion study were carried out. We found that the photoionization has an important effect on the case with variation density resulting in a increse in the Ha emission. © Copyright International Astronomical Union 2017.
Filiaciones:
Estrella, D.:
Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico, Circuito Exterior S/N - Ciudad Universitaria, Ciudad de Mexico, Distrito Federal, Mexico
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Circuito Exterior S-N,Ciudad Univ, Mexico City, DF, Mexico
Hernandez-Martinez, L.:
Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico, Circuito Exterior S/N - Ciudad Universitaria, Ciudad de Mexico, Distrito Federal, Mexico
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Circuito Exterior S-N,Ciudad Univ, Mexico City, DF, Mexico
Velazquez, P. F.:
Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico, Circuito Exterior S/N - Ciudad Universitaria, Ciudad de Mexico, Distrito Federal, Mexico
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Circuito Exterior S-N,Ciudad Univ, Mexico City, DF, Mexico
Esquivel, A.:
Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico, Circuito Exterior S/N - Ciudad Universitaria, Ciudad de Mexico, Distrito Federal, Mexico
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Circuito Exterior S-N,Ciudad Univ, Mexico City, DF, Mexico
Raga, C. A.:
Instituto de Ciencias Nucleares, Universidad Nacional Autonoma de Mexico, Circuito Exterior S/N - Ciudad Universitaria, Ciudad de Mexico, Distrito Federal, Mexico
Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Circuito Exterior S-N,Ciudad Univ, Mexico City, DF, Mexico
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